/* ====== Material Design Variables (Baseado no Hinário Online) ====== */
:root {
    /* Cores primárias */
    --primary-color: #0066ff;
    --primary-dark: #1256a3;
    --primary-light: #42a5f5;
    --md-sys-color-primary: #0066ff;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #cce6ff;
    --md-sys-color-on-primary-container: #001f3d;
    
    /* Cores de superficie */
    --surface: #fefcff;
    --background: #fefcff;
    --md-sys-color-background: #fefcff;
    --md-sys-color-surface: #fefcff;
    --md-sys-color-on-background: #1a1c1e;
    --md-sys-color-on-surface: #1a1c1e;
    --md-sys-color-surface-variant: #e1e2ec;
    --md-sys-color-on-surface-variant: #44474f;
    
    /* Contêineres de superficie */
    --surface-container-low: #f7f5fa;
    --surface-container: #f2f0f5;
    --surface-container-high: #eceaf0;
    --md-sys-color-surface-container-lowest: #ffffff;
    --md-sys-color-surface-container-low: #f7f5fa;
    --md-sys-color-surface-container: #f2f0f5;
    --md-sys-color-surface-container-high: #eceaf0;
    --md-sys-color-surface-container-highest: #e7e5eb;
    
    /* Outline e bordas */
    --outline: #757780;
    --outline-variant: #c4c7cf;
    --md-sys-color-outline: #757780;
    --md-sys-color-outline-variant: #c4c7cf;
    
    /* Cores de texto compatíveis */
    --on-surface: #1a1c1e;
    --on-surface-variant: #44474f;
    
    /* Cores de erro */
    --error: #ba1a1a;
    --on-error: #ffffff;
    --md-sys-color-error: #ba1a1a;
    --md-sys-color-on-error: #ffffff;
    --md-sys-color-error-container: #ffdad6;
    --md-sys-color-on-error-container: #410002;
    
    /* Sistema de elevação (sombras) */
    --md-sys-elevation-level0: none;
    --md-sys-elevation-level1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3),
                               0px 1px 3px 1px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3),
                               0px 2px 6px 2px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level3: 0px 1px 3px 0px rgba(0, 0, 0, 0.3),
                               0px 4px 8px 3px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level4: 0px 2px 3px 0px rgba(0, 0, 0, 0.3),
                               0px 6px 10px 4px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level5: 0px 4px 4px 0px rgba(0, 0, 0, 0.3),
                               0px 8px 12px 6px rgba(0, 0, 0, 0.15);
    
    /* Sombras compatíveis */
    --shadow: var(--md-sys-elevation-level1);
    --shadow-light: var(--md-sys-elevation-level1);
    --color-shadow: var(--md-sys-elevation-level1);
    --color-shadow-lg: var(--md-sys-elevation-level3);
    
    /* Espaçamentos Material Design */
    --md-sys-spacing-2: 2px;
    --md-sys-spacing-4: 4px;
    --md-sys-spacing-8: 8px;
    --md-sys-spacing-12: 12px;
    --md-sys-spacing-16: 16px;
    --md-sys-spacing-20: 20px;
    --md-sys-spacing-24: 24px;
    --md-sys-spacing-32: 32px;
    --md-sys-spacing-40: 40px;
    --md-sys-spacing-48: 48px;
    
    /* Typography System */
    --md-sys-typescale-title-medium: 500 16px/24px 'Roboto', sans-serif;
    
    /* Shape System */
    --md-sys-shape-corner-small: 8px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
    
    /* Motion System */
    --md-sys-motion-duration-short2: 200ms;
    --md-sys-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
    --transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    
    /* Variáveis de compatibilidade para cores */
    --color-primary: var(--md-sys-color-primary);
    --color-bg-secondary: var(--md-sys-color-surface-container-low);
    --color-border: var(--md-sys-color-outline-variant);
    --color-text-primary: var(--md-sys-color-on-surface);
    --color-text-secondary: var(--md-sys-color-on-surface-variant);
    --color-text-muted: var(--md-sys-color-on-surface-variant);
    --color-danger: #ba1a1a;
    
    /* Cores inversas para tooltips - tema light */
    --md-sys-color-inverse-surface: #2f3033;
    --md-sys-color-inverse-on-surface: #e2e2e5;
    
    /* Font size system */
    --font-size-base: 16px;
}

[data-theme="dark"] {
    /* Cores primárias - tema escuro */
    --primary-color: #99ccff;
    --primary-dark: #0066ff;
    --primary-light: #ccddff;
    --md-sys-color-primary: #99ccff;
    --md-sys-color-on-primary: #003258;
    --md-sys-color-primary-container: #004785;
    --md-sys-color-on-primary-container: #cce6ff;
    
    /* Cores de superficie - tema escuro */
    --surface: #101013;
    --background: #101013;
    --md-sys-color-background: #101013;
    --md-sys-color-surface: #101013;
    --md-sys-color-on-background: #e3e2e6;
    --md-sys-color-on-surface: #e3e2e6;
    --md-sys-color-surface-variant: #44474f;
    --md-sys-color-on-surface-variant: #c4c7cf;
    
    /* Contêineres de superficie - tema escuro */
    --surface-container-low: #181b1f;
    --surface-container: #1d2024;
    --surface-container-high: #272a2f;
    --md-sys-color-surface-container-lowest: #0b0e11;
    --md-sys-color-surface-container-low: #181b1f;
    --md-sys-color-surface-container: #1d2024;
    --md-sys-color-surface-container-high: #272a2f;
    --md-sys-color-surface-container-highest: #32353a;
    
    /* Outline e bordas - tema escuro */
    --outline: #8e9199;
    --outline-variant: #44474f;
    --md-sys-color-outline: #8e9199;
    --md-sys-color-outline-variant: #44474f;
    
    /* Cores de texto compatíveis - tema escuro */
    --on-surface: #e3e2e6;
    --on-surface-variant: #c4c7cf;
    
    /* Cores de erro - tema escuro */
    --error: #ffb4ab;
    --on-error: #690005;
    --md-sys-color-error: #ffb4ab;
    --md-sys-color-on-error: #690005;
    --md-sys-color-error-container: #93000a;
    --md-sys-color-on-error-container: #ffdad6;
    
    /* Sistema de elevação (sombras) - tema escuro */
    --md-sys-elevation-level0: none;
    --md-sys-elevation-level1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3),
                               0px 1px 3px 1px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3),
                               0px 2px 6px 2px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level3: 0px 1px 3px 0px rgba(0, 0, 0, 0.3),
                               0px 4px 8px 3px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level4: 0px 2px 3px 0px rgba(0, 0, 0, 0.3),
                               0px 6px 10px 4px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level5: 0px 4px 4px 0px rgba(0, 0, 0, 0.3),
                               0px 8px 12px 6px rgba(0, 0, 0, 0.15);
    
    /* Sombras compatíveis - tema escuro */
    --shadow: var(--md-sys-elevation-level2);
    --shadow-light: var(--md-sys-elevation-level1);
    --color-shadow: var(--md-sys-elevation-level1);
    --color-shadow-lg: var(--md-sys-elevation-level3);
    
    /* Espaçamentos Material Design permanecem iguais */
    --md-sys-spacing-4: 4px;
    --md-sys-spacing-8: 8px;
    --md-sys-spacing-12: 12px;
    --md-sys-spacing-16: 16px;
    --md-sys-spacing-20: 20px;
    --md-sys-spacing-24: 24px;
    --md-sys-spacing-32: 32px;
    --md-sys-spacing-40: 40px;
    --md-sys-spacing-48: 48px;
    
    /* Typography System */
    --md-sys-typescale-title-medium: 500 16px/24px 'Roboto', sans-serif;
    
    /* Shape System */
    --md-sys-shape-corner-small: 8px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-large: 16px;
    
    /* Motion System */
    --md-sys-motion-duration-short2: 200ms;
    --md-sys-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
    --transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    
    /* Variáveis de compatibilidade para cores - tema escuro */
    --color-primary: var(--md-sys-color-primary);
    --color-bg-secondary: var(--md-sys-color-surface-container-low);
    --color-border: var(--md-sys-color-outline-variant);
    --color-text-primary: var(--md-sys-color-on-surface);
    --color-text-secondary: var(--md-sys-color-on-surface-variant);
    --color-text-muted: var(--md-sys-color-on-surface-variant);
    --color-danger: #ffb4ab;
    
    /* Cores inversas para tooltips - tema dark */
    --md-sys-color-inverse-surface: #e2e2e5;
    --md-sys-color-inverse-on-surface: #2f3033;
    
    /* Font size system */
    --font-size-base: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.5;
    color: var(--md-sys-color-on-background);
    background-color: var(--md-sys-color-background);
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ====== Material Icons ====== */
.material-icons {
    font-family: 'Material Icons';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-feature-settings: 'liga';
    font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
}

/* ====== Header Component ====== */
.header {
    background-color: var(--md-sys-color-surface);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    padding: var(--md-sys-spacing-16) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--md-sys-elevation-level2);
    will-change: transform;
    transform: translateZ(0);
    padding-top: max(var(--md-sys-spacing-16), env(safe-area-inset-top));
    min-height: 64px;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--md-sys-spacing-16);
    position: relative;
}

.mobile-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    gap: var(--md-sys-spacing-8);
}

.logo {
    font: var(--md-sys-typescale-title-medium);
    font-weight: 500;
    color: var(--md-sys-color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--md-sys-spacing-8);
    cursor: pointer;
    transition: var(--transition);
    padding: var(--md-sys-spacing-8);
    border-radius: var(--md-sys-shape-corner-small);
    margin-left: calc(-1 * var(--md-sys-spacing-8));
}

.logo:hover {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.logo:hover .material-icons {
    color: var(--md-sys-color-on-primary);
}

.logo .material-icons {
    font-size: 28px;
    color: var(--md-sys-color-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--md-sys-spacing-8);
}

/* Desktop: usar grid para posicionar elementos */
@media (min-width: 769px) {
    .header .container {
        display: grid;
        grid-template-columns: auto 1fr auto;
        grid-template-areas: "logo center actions";
        align-items: center;
        gap: var(--md-sys-spacing-16);
    }
    
    .mobile-header-row {
        display: contents;
    }
    
    .logo {
        grid-area: logo;
    }
    
    .header-actions {
        grid-area: actions;
    }
    
    .nav-links {
        grid-area: center;
        justify-self: center;
        position: static;
        transform: none;
        flex: none;
        max-width: 320px;
        min-width: 250px;
        z-index: 10;
        display: block !important;
    }
}

/* ====== Menu Dropdown ====== */
.menu-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: var(--md-sys-color-surface-container);
    min-width: 200px;
    box-shadow: var(--md-sys-elevation-level3);
    border-radius: 8px;
    z-index: 1000;
    border: 1px solid var(--md-sys-color-outline-variant);
    padding: 8px 0;
    margin-top: 4px;
}

.dropdown-content a {
    color: var(--md-sys-color-on-surface);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.875rem;
    font-weight: 400;
    transition: background-color 0.15s ease-out, transform 0.15s ease-out;
    position: relative;
    overflow: hidden;
}

.dropdown-content a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity 0.15s ease-out;
    pointer-events: none;
}

.dropdown-content a:hover::before {
    opacity: 0.08;
}

.dropdown-content a:hover {
    background-color: var(--md-sys-color-surface-container-high);
    transform: translateX(4px);
}

.menu-dropdown.active .dropdown-content {
    display: block;
}

/* ====== Material Design Buttons ====== */
.md-icon-button {
    background: none;
    border: none;
    color: var(--md-sys-color-on-surface-variant);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease-out, color 0.15s ease-out, transform 0.15s ease-out;
    position: relative;
    overflow: hidden;
}

.md-icon-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: currentColor;
    opacity: 0;
    border-radius: 50%;
    transition: opacity 0.15s ease-out;
    pointer-events: none;
}

.md-icon-button:hover::before {
    opacity: 0.08;
}

.md-icon-button:focus-visible::before {
    opacity: 0.12;
}

.md-icon-button:active::before {
    opacity: 0.16;
}

.md-icon-button:hover {
    color: var(--md-sys-color-primary);
    transform: scale(1.05);
}

.md-outlined-button {
    background: none;
    border: 1px solid var(--md-sys-color-outline);
    color: var(--md-sys-color-primary);
    border-radius: 20px;
    font-family: 'Roboto', Arial, sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    padding: 10px 24px;
    cursor: pointer;
    transition: background 0.15s ease-out, border-color 0.15s ease-out, box-shadow 0.15s ease-out, transform 0.15s ease-out;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.md-outlined-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: currentColor;
    opacity: 0;
    border-radius: 20px;
    transition: opacity 0.15s ease-out;
    pointer-events: none;
}

.md-outlined-button:hover::before {
    opacity: 0.08;
}

.md-outlined-button:focus-visible {
    border-color: var(--md-sys-color-primary);
}

.md-outlined-button:focus-visible::before {
    opacity: 0.12;
}

.md-outlined-button:active::before {
    opacity: 0.16;
}

.md-outlined-button:hover {
    border-color: var(--md-sys-color-primary);
    transform: translateY(-1px);
    box-shadow: var(--md-sys-elevation-level1);
}

.md-filled-button {
    background: var(--md-sys-color-primary);
    border: none;
    color: var(--md-sys-color-on-primary);
    border-radius: 20px;
    font-family: 'Roboto', Arial, sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    padding: 10px 24px;
    cursor: pointer;
    transition: background 0.15s ease-out, box-shadow 0.15s ease-out, transform 0.15s ease-out;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--md-sys-elevation-level1);
}

.md-filled-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: currentColor;
    opacity: 0;
    border-radius: 20px;
    transition: opacity 0.15s ease-out;
    pointer-events: none;
}

.md-filled-button:hover {
    box-shadow: var(--md-sys-elevation-level2);
    transform: translateY(-1px);
}

.md-filled-button:hover::before {
    opacity: 0.08;
}

.md-filled-button:focus-visible::before {
    opacity: 0.12;
}

.md-filled-button:active::before {
    opacity: 0.16;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    color: var(--md-sys-color-on-surface-variant);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 16px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: background 0.15s ease-out, color 0.15s ease-out, transform 0.15s ease-out;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: currentColor;
    opacity: 0;
    border-radius: 16px;
    transition: opacity 0.15s ease-out;
    pointer-events: none;
}

.nav-link:hover::before {
    opacity: 0.08;
}

.nav-link:hover,
.nav-link.active {
    background: var(--md-sys-color-surface-container);
    color: var(--md-sys-color-on-surface);
    transform: scale(1.02);
}

/* ====== Content Cards ====== */
.main-content {
    padding: 24px 0;
}

.card {
    background: var(--md-sys-color-surface);
    border-radius: 12px;
    box-shadow: var(--md-sys-elevation-level1);
    margin-bottom: 24px;
    overflow: hidden;
    transition: box-shadow 0.2s ease-out, transform 0.2s ease-out;
}

.card:hover {
    box-shadow: var(--md-sys-elevation-level2);
    transform: translateY(-1px);
}

.card-content {
    padding: 30px;
}

.article-meta {
    border-bottom: 1px solid var(--outline);
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.article-title {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--md-sys-color-on-surface);
    margin-bottom: 8px;
    line-height: 1.3;
}

.article-slug {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.875rem;
    font-weight: 400;
}

.article-details {
    display: flex;
    gap: 16px;
    margin: 8px 0;
    flex-wrap: wrap;
}

.article-author {
    color: var(--md-sys-color-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.article-summary {
    color: var(--on-surface-variant);
    font-size: 1rem;
    line-height: 1.5;
    margin: 12px 0 0 0;
    font-style: italic;
}

.article-video {
    margin-top: 16px;
}

/* ====== Video Container Styling ====== */
.video-container {
    margin: 24px 0;
    background: var(--surface-container-low);
    border-radius: 12px;
    overflow: hidden;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 12px;
}

.video-error {
    text-align: center;
    padding: 24px;
    background: var(--surface-container-low);
    border-radius: 12px;
    border: 2px dashed var(--outline);
    color: var(--on-surface-variant);
}

.video-error p {
    margin-bottom: 16px;
    font-style: italic;
}

.video-info {
    padding: 16px;
    text-align: center;
    border-top: 1px solid var(--outline-variant);
    background: var(--surface-container-low);
}

.video-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
}

.video-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.video-link .material-icons {
    font-size: 18px;
}

/* ====== Image Container Styling ====== */
.image-container {
    margin: 24px 0;
    max-width: 100%;
    width: 100%;
    background: var(--surface-container-low);
    border-radius: 12px;
    overflow: hidden;
}

.image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 400px;
    border-radius: 12px 12px 0 0;
    transition: transform 0.2s;
}

.image-wrapper img:hover {
    transform: scale(1.02);
}

.image-error {
    text-align: center;
    padding: 24px;
    background: var(--surface-container-low);
    border-radius: 12px;
    border: 2px dashed var(--outline);
    color: var(--on-surface-variant);
}

.image-error p {
    margin-bottom: 8px;
    font-style: italic;
}

.image-info {
    padding: 16px;
    text-align: center;
    border-top: 1px solid var(--outline-variant);
    background: var(--surface-container-low);
    color: var(--on-surface-variant);
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.image-info .material-icons {
    font-size: 18px;
}

/* ====== Article Content Styling ====== */
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
    color: var(--on-surface);
    margin: 24px 0 16px 0;
    font-weight: 400;
}

.article-content h1 {
    font-size: 2rem;
    font-weight: 300;
}

.article-content h2 {
    font-size: 1.5rem;
}

.article-content h3 {
    font-size: 1.25rem;
}

.article-content h4 {
    font-size: 1.125rem;
    font-weight: 500;
}

.article-content p {
    margin-bottom: 16px;
    line-height: 1.7;
    color: var(--on-surface);
}

.article-content ul, 
.article-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 16px;
    margin: 16px 0;
    background: var(--surface-container-low);
    border-radius: 8px;
    color: var(--on-surface);
    font-style: italic;
}

.article-content code {
    background: var(--surface-container);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Roboto Mono', 'Courier New', monospace;
    font-size: 0.875rem;
}

.article-content pre {
    background: var(--surface-container);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 16px 0;
}

.article-content pre code {
    background: none;
    padding: 0;
}

/* ====== Article List ====== */
.article-list {
    display: grid;
    gap: 16px;
    list-style: none;
}

.article-item {
    background: var(--md-sys-color-surface);
    border-radius: 12px;
    box-shadow: var(--md-sys-elevation-level1);
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.article-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-sys-elevation-level3);
}

/* Layout responsivo para desktop */
@media (min-width: 768px) {
    .article-item {
        flex-direction: row;
        min-height: 150px;
    }
}

.article-item-image-container {
    flex-shrink: 0;
    width: 100%;
    height: 200px;
    display: none;
    background: var(--md-sys-color-surface-container);
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .article-item-image-container {
        width: 200px;
        height: auto;
        min-height: 150px;
        display: flex;
    }
}

.article-item-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-item-placeholder {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    /* Remover background - será aplicado no container pai quando necessário */
}

/* Overlay sutil para melhorar legibilidade do ícone */
.article-item-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
}

.article-item-placeholder svg {
    position: relative;
    z-index: 1;
}

/* Para artigos sem imagem nem vídeo, aplicar cor de fundo padrão apenas no placeholder */
.article-item-image-container:not([style]) .article-item-placeholder {
    background: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface-variant);
}

.article-item-image-container:not([style]) .article-item-placeholder::before {
    background: rgba(0, 0, 0, 0.05);
}

.placeholder-icon {
    width: 32px;
    height: 32px;
}

/* ====== Lazy Loading Styles ====== */
.lazy-image-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    background: var(--md-sys-color-surface-container);
}

.lazy-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--md-sys-color-surface-container), var(--md-sys-color-surface-container-high));
    position: relative;
}

.lazy-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.lazy-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--md-sys-color-outline-variant);
    border-top: 3px solid var(--md-sys-color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Estilos para imagens em processo de carregamento */
.article-item-image.lazy-loading {
    opacity: 0;
    transform: scale(1.1);
    transition: all 0.3s ease-out;
}

/* Estilos para imagens carregadas */
.article-item-image.lazy-loaded {
    opacity: 1;
    transform: scale(1);
}

/* Dark theme adjustments para lazy loading */
[data-theme="dark"] .lazy-placeholder {
    background: linear-gradient(135deg, var(--md-sys-color-surface-container-low), var(--md-sys-color-surface-container));
}

[data-theme="dark"] .lazy-placeholder::before {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
}

[data-theme="dark"] .lazy-spinner {
    border-color: var(--md-sys-color-outline);
    border-top-color: var(--md-sys-color-primary);
}

.article-item-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-item-meta {
    margin-bottom: 8px;
}

.article-item-chapter {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.article-item-title {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--on-surface);
    margin-bottom: 8px;
    line-height: 1.4;
    flex: 1;
}

.article-item-summary {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 16px;
    flex: 1;
}

.article-item-action {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
}

.article-item-action .material-icons {
    font-size: 16px;
}

/* ====== Loading and States ====== */
.loading {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary-color);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 200px;
}

.loading .spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--outline);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    background: var(--error);
    color: var(--on-error);
    padding: 16px 20px;
    border-radius: 8px;
    margin: 16px 0;
}

.error h3 {
    margin-bottom: 8px;
    font-weight: 500;
}

.error a {
    color: var(--on-error);
    text-decoration: underline;
}

/* ====== Navigation Between Articles ====== */
.navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--outline);
}

.nav-button {
    background: var(--primary-color);
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: background 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 280px;
}

[data-theme="dark"] .nav-button {
    color: var(--md-sys-color-on-primary);
}

.nav-button:hover {
    background: var(--primary-dark);
    box-shadow: 0 2px 4px var(--shadow-light);
}

[data-theme="dark"] .nav-button:hover {
    color: white;
}

.nav-button.disabled {
    background: var(--on-surface-variant);
    color: var(--surface);
    pointer-events: none;
    opacity: 0.6;
}

.nav-button .material-icons {
    font-size: 18px;
}

/* ====== Breadcrumb Navigation ====== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 1rem;
    background-color: var(--md-sys-color-surface-container-low);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: var(--md-sys-color-on-surface-variant);
    box-shadow: var(--md-sys-elevation-level1);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.breadcrumb .book-name {
    font-weight: 500;
}

.breadcrumb a {
    color: var(--md-sys-color-primary);
    text-decoration: none;
    padding: 2px 6px;
    border-radius: 4px;
    transition: background-color 0.15s ease-out;
}

.breadcrumb a:hover {
    background-color: var(--md-sys-color-primary-container);
    text-decoration: underline;
}

.breadcrumb .material-icons {
    font-size: 16px;
}

.breadcrumb-container .breadcrumb-selects {
    gap: var(--md-sys-spacing-8);
    justify-content: center;
}

.breadcrumb-container .breadcrumb-select-container {
    margin-bottom: 0;
}

.breadcrumb-container .breadcrumb-select {
    padding: var(--md-sys-spacing-8) var(--md-sys-spacing-12);
    font-size: 14px;
}

.breadcrumb-item {
    position: relative;
    display: inline-block;
}

.breadcrumb-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: background-color 0.2s;
}

.breadcrumb-dropdown-toggle:hover {
    background-color: var(--md-sys-color-primary-container);
}

.breadcrumb-dropdown-toggle .dropdown-arrow {
    font-size: 0.875rem;
    opacity: 0.7;
    transition: transform 0.2s;
}

.breadcrumb-dropdown-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

.breadcrumb-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    max-width: 300px;
    background: var(--md-sys-color-surface-container);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 0.5rem;
    box-shadow: var(--md-sys-elevation-level3);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease-in-out;
    margin-top: 0.5rem;
}

.breadcrumb-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.breadcrumb-dropdown-content {
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
}

.breadcrumb-dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--md-sys-color-on-surface);
    text-decoration: none;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
    font-size: 0.875rem;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.breadcrumb-dropdown-item:hover {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

.breadcrumb-dropdown-item.current {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    font-weight: 500;
}

/* Responsividade mobile para dropdowns */
@media (max-width: 768px) {
    .breadcrumb {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .breadcrumb-dropdown {
        left: 50%;
        transform: translateX(-50%) translateY(-8px);
        min-width: 250px;
        max-width: calc(100vw - 2rem);
    }
    
    .breadcrumb-dropdown.active {
        transform: translateX(-50%) translateY(0);
    }
    
    .breadcrumb-dropdown-content {
        max-height: 40vh;
    }
    
    .breadcrumb-dropdown-toggle {
        font-size: 0.875rem;
        padding: 0.375rem 0.5rem;
    }
}

/* Ajuste para telas muito pequenas */
@media (max-width: 480px) {
    .breadcrumb-dropdown {
        min-width: calc(100vw - 3rem);
        max-width: calc(100vw - 3rem);
        left: 50%;
    }
    
    .breadcrumb-dropdown-content {
        max-height: 35vh;
    }
}

/* ====== Breadcrumb Selects ====== */
.breadcrumb-selects {
    display: flex;
}

select {
    padding: 0.75rem 1rem;
    background-color: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 0.375rem;
    color: var(--md-sys-color-on-surface);
    font-size: 0.875rem;
    transition: all 0.2s ease;
    cursor: pointer;
    outline: none;
}

.breadcrumb-select:hover {
    border-color: var(--md-sys-color-outline);
    background-color: var(--md-sys-color-surface-container-low);
}

.breadcrumb-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.12);
    background-color: var(--md-sys-color-surface);
}

/* Responsividade mobile para selects */
@media (max-width: 480px) {
    .breadcrumb-selects {
        flex-direction: column;
        align-items: stretch;
        padding: var(--md-sys-spacing-8);
    }

    .breadcrumb-select {
        width: 100% !important;
        padding: 0.625rem 0.875rem;
        font-size: 0.8125rem;
    }
    
    .breadcrumb-select-container {
        min-width: unset;
        width: 100%;
    }
}

.breadcrumb-select {
    position: relative;
    background: var(--md-sys-color-surface-container-highest);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: 0 44px 0 16px;
    height: 40px;
    display: flex;
    align-items: center;
    cursor: pointer;
    font: var(--md-sys-typescale-label-large);
    color: var(--md-sys-color-on-surface);
    outline: none;
    transition: border-color 0.2s;
}

#book-select {
    width: 200px;
}

#article-select {
    width: 300px;
}

/* ====== Welcome Screen ====== */
.welcome-screen {
    padding: 2rem 0;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.welcome-screen:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
}

.welcome-content {
    max-width: 800px;
    padding: 0 1rem;
    margin: 0 auto;
}

.welcome-header {
    margin-bottom: 3rem;
}

.welcome-logo {
    margin-bottom: 1.5rem;
}

.welcome-logo-svg {
    filter: brightness(0) saturate(100%) invert(21%) sepia(100%) saturate(2757%) hue-rotate(219deg) brightness(95%) contrast(101%);
}

[data-theme="dark"] .welcome-logo-svg {
    filter: brightness(0) saturate(100%) invert(75%) sepia(37%) saturate(434%) hue-rotate(191deg) brightness(102%) contrast(101%);
}

.welcome-title {
    font-size: 1.5625rem;
    font-weight: 500;
    margin: 1rem 0;
    line-height: 1.2;
}

.welcome-description {
    font-size: 1.0625rem;
    color: #44474f;
    line-height: 1.6;
    margin: 0 auto;
    max-width: 600px;
}

[data-theme="dark"] .welcome-description {
    color: #c4c7cf;
}

.welcome-selector {
    margin: 3rem 0;
}

.welcome-selector-title {
    font-size: 1.1875rem;
    font-weight: 500;
    color: var(--text-primary-color);
    margin-bottom: 2rem;
}

.welcome-testament-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin: 2rem 0;
}

.welcome-testament-card {
    background: var(--surface-color);
    border: 1px solid var(--outline-color);
    border-radius: 12px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.welcome-testament-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.welcome-testament-card:hover::before {
    opacity: 0.04;
}

.welcome-testament-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color-light);
}

.testament-card-content {
    position: relative;
    z-index: 1;
}

.testament-card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.testament-card-title {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary-color);
    margin-bottom: 0.5rem;
}

.testament-card-description {
    font-size: 0.875rem;
    color: var(--text-secondary-color);
    line-height: 1.4;
}

.welcome-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
    border-top: 1px solid var(--outline-color);
}

.content-area {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.content-area:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
}

/* Background gradiente para a página inicial */
body.welcome-active {
    background: linear-gradient(
        135deg,
        #f8f9ff 0%,
        #e8f0ff 25%,
        #d0e4ff 50%,
        #b8d8ff 75%,
        #e8f0ff 100%
    ) !important;
    min-height: 100vh;
}

[data-theme="dark"] body.welcome-active {
    background: linear-gradient(
        135deg,
        #0a0d1a 0%,
        #1a1d2e 25%,
        #2a2d42 50%,
        #3a3d56 75%,
        #1a1d2e 100%
    ) !important;
}

[data-theme="dark"] .welcome-testament-card {
    background: var(--surface-container-color);
    border-color: var(--outline-variant-color);
}

[data-theme="dark"] .welcome-testament-card:hover {
    border-color: var(--primary-color);
}

[data-theme="dark"] .feature-inline {
    background: var(--surface-container-color);
}

/* Background sólido para páginas de livro e artigos */
body.book-page,
body.article-page {
    background: #f9fbff !important;
    min-height: 100vh;
}

[data-theme="dark"] body.book-page,
[data-theme="dark"] body.article-page {
    background: linear-gradient(180deg, rgba(39, 42, 62, 1) 0%, rgba(15, 20, 25, 1) 500px) !important;
}

/* Padding responsivo para content-area */
body .content-area {
    padding: 16px;
}

@media (min-width: 769px) {
    body .content-area {
        padding: 28px 84px 28px 84px;
    }
}

@media (min-width: 1024px) {
    body .content-area {
        padding: 32px 96px 32px 96px;
    }
}

@media (min-width: 1440px) {
    body .content-area {
        padding: 36px 108px 36px 108px;
    }
}

.main-content.welcome-active {
    background: transparent !important;
    border-radius: 0;
    margin: 0;
}

.feature-inline {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--surface-variant-color);
    border-radius: 8px;
    text-align: left;
}

.feature-inline .material-icons {
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-inline span:not(.material-icons) {
    color: var(--text-secondary-color);
    font-size: 0.875rem;
    line-height: 1.4;
}

/* ====== Welcome Testament Sections ====== */
.welcome-testament-section {
    margin-bottom: 3rem;
}

.welcome-testament-header {
    display: flex;
    align-items: center;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.testament-header-icon {
    background: var(--primary-container);
    color: var(--on-primary-container);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testament-header-icon .material-icons {
    font-size: 1.25rem;
    filter: brightness(0) saturate(100%) invert(21%) sepia(100%) saturate(2757%) hue-rotate(219deg) brightness(95%) contrast(101%);
}

[data-theme="dark"] .testament-header-icon .material-icons {
    filter: brightness(0) saturate(100%) invert(75%) sepia(37%) saturate(434%) hue-rotate(191deg) brightness(102%) contrast(101%);
}

.testament-header-content {
    flex: 1;
}

.testament-header-title {
    color: var(--on-surface);
    font-size: 1.1875rem;
    font-weight: 500;
}

.welcome-books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}

.welcome-book-link {
    background: #f7f5fa;
    border: 1px solid #757780;
    border-radius: 8px;
    padding: 0.75rem;
    text-decoration: none;
    color: var(--on-surface);
    font-weight: 500;
    font-size: 0.875rem;
    text-align: center;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    position: relative;
    overflow: hidden;
}

.welcome-book-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity 0.2s cubic-bezier(0.2, 0, 0, 1);
    border-radius: 8px;
}

.welcome-book-link:hover::before {
    opacity: 0.08;
}

.welcome-book-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 102, 255, 0.12);
}

/* Dark theme adjustments */
[data-theme="dark"] .welcome-book-link {
    background: #20242a;
    border-color: #8e9099;
    color: var(--on-surface);
}

[data-theme="dark"] .welcome-book-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .welcome-books-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 0.5rem;
    }
    
    .welcome-book-link {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .testament-header-title {
        font-size: 1.1875rem;
    }
    
    .testament-header-icon {
        width: 40px;
        height: 40px;
    }
    
    .testament-header-icon .material-icons {
        font-size: 1.25rem;
    }
}

/* ====== Footer ====== */
.footer {
    background: var(--md-sys-color-surface-container-low);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    padding: 48px 24px;
    margin-top: 48px;
    color: var(--md-sys-color-on-surface-variant);
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
}

/* ====== Desktop Video Sizing ====== */
@media (min-width: 769px) {
    .video-container {
        max-width: 640px; /* Limita largura máxima para não dominar a tela */
        margin: 32px auto; /* Centraliza o vídeo */
    }
    
    .image-container {
        max-width: 100%; /* Ocupa 100% da largura disponível */
        margin: 32px 0 24px 0; /* Top: 32px, Right: 0, Bottom: 24px, Left: 0 */
    }
}

@media (min-width: 1024px) {
    .video-container {
        max-width: 720px; /* Ligeiramente maior em telas muito grandes */
        margin: 40px auto; /* Mais espaço vertical */
    }
    
    .image-container {
        max-width: 100%; /* Ocupa 100% da largura disponível */
        margin: 36px 0 24px 0; /* Top: 36px, Right: 0, Bottom: 24px, Left: 0 */
    }
}

@media (min-width: 1440px) {
    .video-container {
        max-width: 800px; /* Tamanho máximo em telas muito grandes */
        margin: 48px auto;
    }
    
    .image-container {
        max-width: 100%; /* Ocupa 100% da largura disponível */
        margin: 40px 0 24px 0; /* Top: 40px, Right: 0, Bottom: 24px, Left: 0 */
    }
}

/* ====== Responsive Design ====== */
@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }
    
    .header {
        position: sticky;
        top: 0;
        padding-top: max(var(--md-sys-spacing-16), env(safe-area-inset-top, 16px));
        min-height: calc(64px + env(safe-area-inset-top, 0px));
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        isolation: isolate;
    }
    
    .header .container {
        padding-left: max(
            var(--md-sys-spacing-12), 
            env(safe-area-inset-left, 12px)
        );
        padding-right: max(
            var(--md-sys-spacing-12), 
            env(safe-area-inset-right, 12px)
        );
        flex-direction: column;
        gap: var(--md-sys-spacing-8);
        align-items: stretch;
    }
    
    .mobile-header-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }
    
    .logo {
        font: var(--md-sys-typescale-title-medium);
        margin-left: 0;
        flex-shrink: 0;
        position: static;
        grid-area: unset;
    }
    
    .header-actions {
        gap: var(--md-sys-spacing-2);
        flex-shrink: 0;
        grid-area: unset;
        justify-self: unset;
    }
    
    .nav-links {
        max-width: none;
        min-width: auto;
        position: static;
        transform: none;
        grid-area: unset;
        justify-self: unset;
        order: unset;
        flex-basis: unset;
        margin-top: 0;
        width: 100%;
    }
    
    .welcome-title {
        font-size: 1.3125rem;
    }
    
    .welcome-description {
        font-size: 0.9375rem;
    }
    
    .welcome-testament-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .welcome-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Melhorias para dispositivos touch */
@media (hover: none) and (pointer: coarse) {
    .md-icon-button:hover::before,
    .md-text-button:hover::before,
    .md-filled-button:hover::before,
    .md-outlined-button:hover::before {
        opacity: 0;
    }
    
    .md-icon-button:active::before,
    .md-text-button:active::before,
    .md-filled-button:active::before,
    .md-outlined-button:active::before {
        opacity: 0.16;
    }
    
    * {
        touch-action: manipulation;
    }
    
    .md-icon-button,
    .md-text-button,
    .md-filled-button,
    .md-outlined-button {
        pointer-events: auto !important;
        touch-action: manipulation;
        -webkit-user-select: none;
        user-select: none;
        position: relative;
        z-index: 1;
    }
    
    .tooltip-container .tooltip {
        pointer-events: none !important;
    }
    
    .md-icon-button::before,
    .md-text-button::before,
    .md-filled-button::before,
    .md-outlined-button::before {
        pointer-events: none;
    }
}

/* Melhorias específicas para tablets */
@media (max-width: 1024px) and (min-width: 769px) {
    .header .container {
        padding-left: max(
            var(--md-sys-spacing-16), 
            env(safe-area-inset-left, 16px)
        );
        padding-right: max(
            var(--md-sys-spacing-16), 
            env(safe-area-inset-right, 16px)
        );
    }
    
    .welcome-testament-list {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .welcome-features {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 8px;
    }
    
    .header .container {
        padding-left: max(
            var(--md-sys-spacing-8), 
            env(safe-area-inset-left, 8px)
        );
        padding-right: max(
            var(--md-sys-spacing-8), 
            env(safe-area-inset-right, 8px)
        );
    }
    
    .card-content {
        padding: 16px;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
    
    .article-content h1 {
        font-size: 1.75rem;
    }
    
    .article-content h2 {
        font-size: 1.25rem;
    }
    
    .navigation {
        flex-direction: column;
        gap: 12px;
    }
    
    .nav-button {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
    
    .welcome-title {
        font-size: 1.3125rem;
    }
    
    .theme-toggle {
        bottom: 16px;
        right: 16px;
    }
    
    .video-container {
        margin: 16px 0;
    }
    
    .video-error {
        padding: 16px;
    }
    
    .image-container {
        margin: 16px 0;
    }
    
    .image-error {
        padding: 16px;
    }
}

/* ====== Hidden utility ====== */
.hidden {
    display: none !important;
}

/* ====== Focus styles for accessibility ====== */
.md-icon-button:focus {
    outline: none;
}

.md-outlined-button:focus,
.md-filled-button:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ====== Footer Styles (Baseado no Hinário Online) ====== */
.footer-link {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--color-primary);
}

.footer {
    font-size: var(--font-size-base);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    padding: 2rem 0 1rem;
}

.footer-content {
    font-size: var(--font-size-base);
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

.footer-section h4 {
    color: var(--color-primary);
    font-weight: 500;
    font-size: var(--font-size-base);
    font-size: var(--font-size-base);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo {
    font-size: var(--font-size-base);
    display: inline-flex;
    align-items: center;
    gap: var(--md-sys-spacing-8);
    cursor: pointer;
    transition: var(--transition);
    padding: var(--md-sys-spacing-8);
    border-radius: var(--md-sys-shape-corner-small);
    margin-left: calc(-1 * var(--md-sys-spacing-8));
    font: var(--md-sys-typescale-title-medium);
    font-weight: 500;
    color: var(--md-sys-color-primary);
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-logo:hover {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.footer-logo:hover .material-icons {
    color: var(--md-sys-color-on-primary);
}

.footer-logo .material-icons {
    font-size: 28px;
    color: var(--md-sys-color-primary);
}

.footer-title {
    font-weight: 500;
    font-size: 1.125rem;
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
    margin: 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer-links .material-icons {
    font-size: 1rem;
    color: #757780;
}

.footer-bottom {
    font-size: var(--font-size-base);
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    padding-left: 1rem;
    padding-right: 1rem;
}

.footer-copyright {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-copyright .heart {
    color: var(--color-danger);
    font-size: 1rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

.footer-separator {
    opacity: 0.6;
}

/* Footer social buttons */
.footer-social-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 0.5rem;
}

.footer-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    text-decoration: none;
    background: #cce6ff;
    color: #001f3d;
    border: none;
    padding: 0;
    font-size: 20px;
    flex-shrink: 0;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s, color 0.15s;
}

.footer-social-btn img {
    width: 24px;
    height: 24px;
    display: block;
}

.footer-social-btn:hover,
.footer-social-btn:focus {
    transform: scale(1.12);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    background: #001f3d;
    color: #99ccff;
}

.footer-social-btn .material-icons {
    font-size: 24px;
    color: #0066ff;
    transition: color 0.15s;
    display: block;
}

.footer-social-btn:hover .material-icons,
.footer-social-btn:focus .material-icons {
    color: #99ccff;
}

.footer-social-btn:hover .material-icons,
.footer-social-btn:focus .material-icons {
    color: #0066ff;
}

/* Heartbeat animation */
@keyframes heartbeat {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* ====== Tooltips ====== */
.tooltip-container {
    position: relative;
    display: inline-block;
}

.tooltip {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    padding: 8px 12px;
    border-radius: var(--md-sys-shape-corner-small);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
    z-index: 1000;
    pointer-events: none;
    box-shadow: var(--md-sys-elevation-level2);
}

/* Default tooltip styles (light theme) - fundo escuro, texto claro */
.tooltip {
    background: var(--md-sys-color-inverse-surface) !important;
    color: var(--md-sys-color-inverse-on-surface) !important;
}

.tooltip::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-bottom-color: var(--md-sys-color-inverse-surface) !important;
}

/* Dark theme tooltips: fundo claro, texto escuro */
[data-theme="dark"] .tooltip {
    background: var(--md-sys-color-inverse-surface) !important;
    color: var(--md-sys-color-inverse-on-surface) !important;
}

[data-theme="dark"] .tooltip::before {
    border-bottom-color: var(--md-sys-color-inverse-surface) !important;
}

.tooltip-container:hover .tooltip,
.tooltip-container:focus-within .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(4px);
}

.tooltip.tooltip-left {
    left: auto;
    right: calc(100% + 8px);
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
}

.tooltip.tooltip-right {
    left: calc(100% + 8px);
    right: auto;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
}

.tooltip.tooltip-left::before {
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-left-color: var(--md-sys-color-surface-container-highest);
    border-top-color: transparent;
}

.tooltip.tooltip-right::before {
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-right-color: var(--md-sys-color-surface-container-highest);
    border-top-color: transparent;
}

.tooltip.tooltip-above::before {
    top: 100%;
    border-top-color: var(--md-sys-color-surface-container-highest);
}

@media (max-width: 768px) {
    .tooltip-container .tooltip {
        display: none;
    }
}

/* Dark theme specific styles */
[data-theme="dark"] .footer {
    background: var(--md-sys-color-surface-container-low);
    border-top-color: var(--md-sys-color-outline-variant);
}

[data-theme="dark"] .footer-bottom {
    border-top-color: var(--md-sys-color-outline-variant);
}

/* Animação heartbeat */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Media queries for footer responsive design */
@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 3rem;
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-content {
        gap: 4rem;
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
        gap: 0;
    }
    
    .footer-copyright {
        justify-content: flex-start;
        margin-left: 0;
    }
    
    .footer-meta {
        justify-content: flex-end;
        margin-right: 0;
    }
}

/* ====== Dark theme styles for footer ====== */
[data-theme="dark"] .footer {
    background: var(--md-sys-color-surface-container-low);
    border-top-color: var(--md-sys-color-outline-variant);
}

[data-theme="dark"] .footer-bottom {
    border-top-color: var(--md-sys-color-outline-variant);
}

/* ====== About Page Styles (Baseado no Hinário Online) ====== */
.static-page-body {
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.static-page-body p {
    margin-bottom: 1rem;
    text-align: justify;
    font-size: var(--font-size-base);
}

.static-page-body li {
    text-align: justify;
    font-size: var(--font-size-base);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(
        135deg,
        var(--md-sys-color-primary-container) 0%,
        var(--md-sys-color-surface-container-high) 100%
    );
    color: var(--md-sys-color-on-primary-container);
    padding: 40px 32px;
    border-radius: 20px;
    margin: 24px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")
        repeat;
    opacity: 0.1;
}

.hero-section > * {
    position: relative;
    z-index: 1;
}

.hero-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero-section h2 {
    margin: 0 0 12px 0;
    color: var(--md-sys-color-on-primary-container);
    font-size: 1.1875rem;
    font-weight: 500;
}

.hero-section p {
    margin: 8px 0;
    color: var(--md-sys-color-on-primary-container);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 32px 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--md-sys-color-outline-variant);
}

.section-header .material-icons {
    color: var(--md-sys-color-primary);
    font-size: 28px;
}

.section-header h2 {
    margin: 0;
    color: var(--md-sys-color-on-surface);
    font-size: 1.5rem;
    font-weight: 500;
}

/* Contact Grid */
.contact-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 20px 0;
    font-size: var(--font-size-base);
    box-sizing: border-box;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--md-sys-color-surface-container-low);
    border-radius: 12px;
    border: 1px solid var(--md-sys-color-outline-variant);
    text-decoration: none;
    transition: all 0.2s ease;
    color: var(--md-sys-color-on-surface);
}

.contact-item:hover {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    transform: translateX(4px);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-icon img {
    width: 24px;
    height: 24px;
    display: block;
}

.contact-item:hover .contact-icon {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.contact-text {
    flex: 1;
}

.contact-text strong {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    font-size: var(--font-size-base);
}

.contact-text span {
    color: var(--md-sys-color-on-surface-variant);
    font-size: var(--font-size-base);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--md-sys-color-surface-container-low);
    border-radius: 12px;
    border: 1px solid var(--md-sys-color-outline-variant);
    transition: all 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.feature-content h3 {
    margin: 0 0 8px 0;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
}

.feature-content p {
    margin: 0;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.5;
}

/* Responsive Design for About Page */
@media (min-width: 700px) {
    .contact-grid {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 16px 32px;
    }
    
    .contact-grid > .contact-item {
        width: calc(50% - 16px);
        box-sizing: border-box;
    }
}

@media (max-width: 700px) {
    .contact-grid {
        flex-direction: column;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-section {
        padding: 20px 16px;
        margin: 12px 0;
    }
    
    .hero-icon {
        width: 56px;
        height: 56px;
        font-size: 32px;
        margin-bottom: 12px;
    }
    
    .hero-section h2 {
        font-size: 1.5rem;
        margin-bottom: 8px;
    }
    
    .hero-section p {
        font-size: 1rem;
    }
    
    .section-header {
        gap: 8px;
        margin: 24px 0 16px 0;
        padding-bottom: 8px;
    }
    
    .section-header .material-icons {
        font-size: 24px;
    }
    
    .section-header h2 {
        font-size: 1.2rem;
    }
    
    .contact-item {
        padding: 12px 16px;
        gap: 12px;
    }
    
    .contact-icon {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
    
    .contact-text strong {
        font-size: 0.9rem;
    }
    
    .contact-text span {
        font-size: 0.8rem;
    }
}

/* ====== Logo SVG Color Filters ====== */

/* Header and Footer Logo Colors */
/* Light mode: #0066ff */
.header-logo-svg,
.footer-logo-svg {
    filter: brightness(0) saturate(100%) invert(21%) sepia(100%) saturate(2757%) hue-rotate(219deg) brightness(95%) contrast(101%);
}

/* Dark mode: #99ccff */
[data-theme="dark"] .header-logo-svg,
[data-theme="dark"] .footer-logo-svg {
    filter: brightness(0) saturate(100%) invert(75%) sepia(37%) saturate(434%) hue-rotate(191deg) brightness(102%) contrast(101%);
}

.hero-logo-svg {
    filter: brightness(0) saturate(100%) invert(91%) sepia(3%) saturate(247%) hue-rotate(202deg) brightness(95%) contrast(88%);
}

[data-theme="dark"] .hero-logo-svg {
    filter: brightness(0) saturate(100%) invert(8%) sepia(8%) saturate(1319%) hue-rotate(169deg) brightness(97%) contrast(89%);
}

.feature-logo-svg {
    filter: brightness(0) saturate(100%) invert(8%) sepia(8%) saturate(1319%) hue-rotate(169deg) brightness(97%) contrast(89%);
}

[data-theme="dark"] .feature-logo-svg {
    filter: brightness(0) saturate(100%) invert(91%) sepia(3%) saturate(247%) hue-rotate(202deg) brightness(95%) contrast(88%);
}

/* ====== Logo Hover Effects ====== */

/* Header Logo Hover - Light mode: should match --md-sys-color-on-primary */
.logo:hover .header-logo-svg {
    filter: brightness(0) saturate(100%) invert(20%) sepia(24%) saturate(1259%) hue-rotate(198deg) brightness(95%) contrast(102%);
}

/* Header Logo Hover - Dark mode: should match --md-sys-color-on-primary */
[data-theme="dark"] .logo:hover .header-logo-svg {
    filter: brightness(0) saturate(100%) invert(20%) sepia(24%) saturate(1259%) hue-rotate(198deg) brightness(95%) contrast(102%);
}

/* Footer Logo Hover - Light mode: should match --md-sys-color-on-primary */
.footer-logo:hover .footer-logo-svg {
    filter: brightness(0) saturate(100%) invert(20%) sepia(24%) saturate(1259%) hue-rotate(198deg) brightness(95%) contrast(102%);
}

/* Footer Logo Hover - Dark mode: should match --md-sys-color-on-primary */
[data-theme="dark"] .footer-logo:hover .footer-logo-svg {
    filter: brightness(0) saturate(100%) invert(20%) sepia(24%) saturate(1259%) hue-rotate(198deg) brightness(95%) contrast(102%);
}

/* ====== Cookie Banner ====== */
.cookie-banner {
    background-color: var(--md-sys-color-surface-container-high);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    padding: 1rem;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.cookie-banner-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    font-size: 0.9rem;
    color: var(--md-sys-color-on-surface-variant);
    line-height: 1.4;
}

.cookie-banner-text .material-icons {
    color: var(--md-sys-color-primary);
    font-size: 1.2rem;
}

.cookie-link {
    color: var(--md-sys-color-primary);
    text-decoration: none;
    font-weight: 500;
}

.cookie-link:hover {
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    align-items: center;
}

.accept-cookies-btn {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.accept-cookies-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background-color: var(--md-sys-color-state-layer-color, var(--md-sys-color-on-primary));
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.accept-cookies-btn:hover::before {
    opacity: var(--md-sys-state-hover-state-layer-opacity, 0.08);
}

.accept-cookies-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.accept-cookies-btn:active::before {
    opacity: var(--md-sys-state-pressed-state-layer-opacity, 0.12);
}

/* Responsive Design */
@media (max-width: 768px) {
    .cookie-banner-content {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .cookie-banner-text {
        font-size: 0.85rem;
    }
    
    .cookie-banner-actions {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .cookie-banner {
        padding: 0.75rem;
    }
    
    .cookie-banner-text span:not(.material-icons) {
        font-size: 0.8rem;
    }
    
    .accept-cookies-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* Dark Theme Support */
[data-theme="dark"] .cookie-banner {
    background-color: var(--md-sys-color-surface-container-high);
    border-top-color: var(--md-sys-color-outline-variant);
}

[data-theme="dark"] .cookie-link {
    color: var(--md-sys-color-primary);
}

[data-theme="dark"] .accept-cookies-btn {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 4px rgba(0, 102, 255, 0.2);
}