/* ========================================
   El Catecismo Bautista - Styles
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Light Theme */
    --color-bg: #fefefe;
    --color-bg-alt: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-muted: #666;
    --color-primary: #2c5282;
    --color-primary-dark: #1a365d;
    --color-accent: #805ad5;
    --color-border: #e2e8f0;
    --color-link: #2b6cb0;
    --color-link-hover: #1a4c8c;
    --color-scripture-bg: #f7fafc;
    --color-scripture-border: #bee3f8;
    --color-badge-bg: #ebf8ff;
    --color-shadow: rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-body:
        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: Georgia, 'Times New Roman', serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Sizing */
    --max-width: 800px;
    --header-height: 60px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Dark Theme */
[data-theme='dark'] {
    --color-bg: #1a202c;
    --color-bg-alt: #2d3748;
    --color-text: #e2e8f0;
    --color-text-muted: #a0aec0;
    --color-primary: #63b3ed;
    --color-primary-dark: #90cdf4;
    --color-accent: #b794f4;
    --color-border: #4a5568;
    --color-link: #63b3ed;
    --color-link-hover: #90cdf4;
    --color-scripture-bg: #2d3748;
    --color-scripture-border: #4a5568;
    --color-badge-bg: #2a4365;
    --color-shadow: rgba(0, 0, 0, 0.3);
}

/* ========================================
   Base Styles
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition:
        background-color var(--transition-normal),
        color var(--transition-normal);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    margin: 0 0 var(--space-md);
    line-height: 1.3;
    color: var(--color-text);
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
}

/* ========================================
   Layout
   ======================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 3px var(--color-shadow);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text);
    font-weight: 600;
    text-decoration: none;
}

.site-logo:hover {
    text-decoration: none;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-link {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--color-text);
}

.main-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
    min-height: calc(100vh - var(--header-height) - 150px);
}

.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) var(--space-md);
    margin-top: var(--space-2xl);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-links {
    margin-top: var(--space-sm);
}

.footer-links a {
    color: var(--color-text-muted);
}

/* ========================================
   Theme Toggle
   ======================================== */
.theme-toggle {
    background: none;
    border: none;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 1.2rem;
    line-height: 1;
    transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--color-bg-alt);
}

.theme-icon-dark {
    display: none;
}

[data-theme='dark'] .theme-icon-light {
    display: none;
}

[data-theme='dark'] .theme-icon-dark {
    display: inline;
}

/* ========================================
   Homepage
   ======================================== */
.page-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    margin-bottom: var(--space-md);
}

.subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto var(--space-md);
}

.stats {
    color: var(--color-primary);
    font-size: 0.95rem;
    font-weight: 500;
}

.toc-section {
    margin-top: var(--space-xl);
}

.toc-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.toc-header h2 {
    margin: 0;
    font-size: 1.3rem;
}

.toc-search input {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    width: 200px;
    background-color: var(--color-bg);
    color: var(--color-text);
}

.toc-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-badge-bg);
}

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

.question-item {
    border-bottom: 1px solid var(--color-border);
}

.question-link {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.question-link:hover {
    background-color: var(--color-bg-alt);
    text-decoration: none;
}

.question-number {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-badge-bg);
    color: var(--color-primary);
    font-weight: 600;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.question-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.q-title {
    font-weight: 500;
    color: var(--color-text);
}

.q-answer {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========================================
   Question Page
   ======================================== */
.breadcrumb {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.breadcrumb a {
    color: var(--color-text-muted);
}

.breadcrumb-sep {
    margin: 0 var(--space-sm);
}

.question-page {
    margin-bottom: var(--space-2xl);
}

.question-header {
    text-align: center;
    padding: var(--space-xl) 0;
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.question-number-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background-color: var(--color-primary);
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    border-radius: 50%;
    margin-bottom: var(--space-md);
}

.main-question {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    margin-bottom: var(--space-lg);
}

.main-answer {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 650px;
    margin: 0 auto;
    color: var(--color-text);
}

.main-answer strong {
    color: var(--color-primary);
}

/* Beddome Section */
.beddome-section {
    margin-top: var(--space-2xl);
}

.section-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-primary);
}

.section-header h2 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--color-primary);
}

.expand-controls {
    display: flex;
    gap: var(--space-sm);
}

.expand-btn {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.85rem;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.expand-btn:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

.beddome-group {
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.group-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background-color: var(--color-bg-alt);
    border: none;
    text-align: left;
    font-weight: 500;
    color: var(--color-text);
    transition: background-color var(--transition-fast);
}

.group-toggle:hover {
    background-color: var(--color-border);
}

.toggle-icon {
    transition: transform var(--transition-fast);
}

.group-toggle[aria-expanded='false'] .toggle-icon {
    transform: rotate(-90deg);
}

.group-content {
    padding: var(--space-md);
    transition: all var(--transition-normal);
}

.group-content.collapsed {
    display: none;
}

.subquestion-list {
    margin: 0;
    padding: 0;
}

.subquestion-item {
    padding: var(--space-md) 0;
    border-bottom: 1px dashed var(--color-border);
}

.subquestion-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sub-question {
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.sub-answer {
    margin: 0;
    padding-left: var(--space-md);
}

.answer-text {
    font-weight: 500;
    color: var(--color-primary);
}

.scripture-verse {
    margin: var(--space-sm) 0 0;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-scripture-bg);
    border-left: 3px solid var(--color-scripture-border);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.scripture-verse p {
    margin: 0 0 var(--space-xs);
    font-style: italic;
    color: var(--color-text);
}

.scripture-ref {
    font-size: 0.85rem;
    font-style: normal;
    color: var(--color-text-muted);
}

/* Question Navigation */
.question-nav {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.nav-prev,
.nav-next {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
    flex: 1;
    max-width: 45%;
}

.nav-prev:hover,
.nav-next:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg-alt);
    text-decoration: none;
}

.nav-next {
    text-align: right;
    justify-content: flex-end;
}

.nav-arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.nav-label {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.nav-direction {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
}

.nav-title {
    font-size: 0.9rem;
    color: var(--color-text);
}

.nav-home {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-home:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

.home-icon {
    font-size: 1.3rem;
}

.nav-placeholder {
    flex: 1;
    max-width: 45%;
}

/* ========================================
   Search Page
   ======================================== */
.search-page {
    max-width: 700px;
    margin: 0 auto;
}

.search-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.search-header h1 {
    margin-bottom: var(--space-sm);
}

.search-header p {
    color: var(--color-text-muted);
}

.search-box {
    position: relative;
    margin-bottom: var(--space-lg);
}

.search-box input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    padding-right: 3rem;
    font-size: 1.1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.clear-btn {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    padding: var(--space-xs);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.search-box input:not(:placeholder-shown) ~ .clear-btn {
    opacity: 1;
}

.clear-btn:hover {
    color: var(--color-text);
}

.search-status {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    min-height: 1.5em;
}

.search-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.search-result {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.search-result:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px var(--color-shadow);
}

.search-result a {
    color: var(--color-text);
    text-decoration: none;
}

.search-result-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.result-number {
    background-color: var(--color-badge-bg);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.result-type {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-question {
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.result-answer {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.result-highlight {
    background-color: var(--color-badge-bg);
    color: var(--color-primary);
    padding: 0 2px;
    border-radius: 2px;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .logo-text {
        display: none;
    }

    .nav-container {
        padding: var(--space-sm);
    }

    .main-content {
        padding: var(--space-lg) var(--space-md);
    }

    .toc-header {
        flex-direction: column;
        align-items: stretch;
    }

    .toc-search input {
        width: 100%;
    }

    .question-nav {
        flex-direction: column;
    }

    .nav-prev,
    .nav-next {
        max-width: 100%;
    }

    .nav-home {
        order: -1;
        align-self: center;
    }

    .nav-placeholder {
        display: none;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    .question-link {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .question-number {
        width: 2rem;
        height: 2rem;
        font-size: 0.8rem;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .site-header,
    .site-footer,
    .theme-toggle,
    .expand-controls,
    .question-nav,
    .toc-search,
    .search-box,
    .cookie-consent {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: black;
        background: white;
    }

    .main-content {
        max-width: 100%;
        padding: 0;
    }

    .group-content.collapsed {
        display: block !important;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    .scripture-verse {
        border-left-color: #666;
        background-color: #f5f5f5;
    }
}

/* ========================================
   Cookie Consent Banner
   ======================================== */
.cookie-consent {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 12px var(--color-shadow);
    padding: var(--space-md);
    justify-content: center;
    align-items: center;
}

.cookie-content {
    max-width: var(--max-width);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    text-align: center;
}

.cookie-content p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--color-text);
}

.cookie-buttons {
    display: flex;
    gap: var(--space-sm);
}

.cookie-btn {
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cookie-btn-accept {
    background-color: var(--color-primary);
    color: white;
}

.cookie-btn-accept:hover {
    background-color: var(--color-primary-dark);
}

.cookie-btn-reject {
    background-color: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.cookie-btn-reject:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-text-muted);
}

@media (max-width: 480px) {
    .cookie-content {
        flex-direction: column;
    }

    .cookie-buttons {
        width: 100%;
    }

    .cookie-btn {
        flex: 1;
    }
}

/* ========================================
   Utilities
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}