/* Reset and Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg-dark: #0a0a0f;
    --color-bg-section: #0d0d14;
    --color-primary: #d4a853;
    --color-primary-light: #f0c97a;
    --color-primary-dark: #a67c3d;
    --color-text: #e8e8e8;
    --color-text-muted: #b8b8b8; /* Improved contrast for accessibility (was #9a9a9a) */
    --color-accent: #ff6b35;
    --color-glow: rgba(212, 168, 83, 0.3);
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Raleway', 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background-image: url('background.png');
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 15, 0.4) 0%,
        rgba(10, 10, 15, 0.6) 50%,
        rgba(10, 10, 15, 0.95) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    animation: fadeInUp 1.2s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.title {
    font-size: clamp(3rem, 10vw, 6rem);
    color: var(--color-primary);
    text-shadow: 0 0 60px var(--color-glow), 0 0 120px rgba(212, 168, 83, 0.2);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    font-weight: 400;
    font-style: italic;
}

.subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--color-primary-light);
    font-family: var(--font-heading);
    font-style: italic;
    margin-bottom: 1.5rem;
    letter-spacing: 0.15em;
}

.tagline {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--color-glow);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--color-glow), 0 0 50px rgba(212, 168, 83, 0.3);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(12px);
    }
}

/* About Section */
.about {
    padding: 8rem 0;
    background: var(--color-bg-section);
}

.about h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: 0.05em;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.about-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-text .lead {
    font-size: 1.3rem;
    color: var(--color-primary-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

.about-text ul {
    list-style: none;
    margin: 1.5rem 0;
}

.about-text ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.about-text ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-glow);
}

.cosmos-card {
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.9), rgba(10, 10, 15, 0.95));
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cosmos-card h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    font-style: italic;
}

.cosmos-card p {
    color: var(--color-text-muted);
    position: relative;
    z-index: 1;
}

/* ==========================================
   Hierarchy Section - Gerarchia Ontologica
   ========================================== */

.hierarchy {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-section) 50%, var(--color-bg-dark) 100%);
    position: relative;
    overflow: hidden;
}

.hierarchy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(212, 168, 83, 0.2) 10%, rgba(212, 168, 83, 0.2) 90%, transparent 100%);
    z-index: 0;
}

.hierarchy h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
}

.hierarchy-intro {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 4rem;
    font-size: 1.1rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.hierarchy-diagram {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hierarchy-level {
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.hierarchy-level.visible {
    opacity: 1;
    transform: translateY(0);
}

.level-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem 2rem;
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.9), rgba(15, 15, 22, 0.95));
    border: 1px solid rgba(212, 168, 83, 0.15);
    border-radius: 16px;
    position: relative;
    transition: all 0.4s ease;
}

.level-content:hover {
    border-color: rgba(212, 168, 83, 0.4);
    transform: translateX(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 30px var(--color-glow);
}

/* Level-specific accent colors */
.level-5 .level-content {
    border-left: 4px solid var(--color-primary);
}

.level-4 .level-content {
    border-left: 4px solid rgba(212, 168, 83, 0.8);
}

.level-3 .level-content {
    border-left: 4px solid rgba(212, 168, 83, 0.6);
}

.level-2 .level-content {
    border-left: 4px solid rgba(212, 168, 83, 0.4);
}

.level-1 .level-content {
    border-left: 4px solid rgba(212, 168, 83, 0.25);
}

.level-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 168, 83, 0.08);
    border-radius: 50%;
    color: var(--color-primary);
    position: relative;
}

.level-icon svg {
    width: 50px;
    height: 50px;
}

/* Animated glow effect */
.level-5 .level-icon::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-glow) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.level-info {
    flex: 1;
}

.level-number {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(212, 168, 83, 0.15);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.level-info h3 {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.level-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.level-data {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.mass-scale {
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--color-primary-light);
    background: rgba(212, 168, 83, 0.1);
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.level-data .note,
.level-data .constant-name {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.constant-name {
    color: var(--color-primary) !important;
    font-weight: 500;
}

/* Connector line between levels */
.level-connector {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, rgba(212, 168, 83, 0.4), rgba(212, 168, 83, 0.15));
    margin: 0 auto;
    position: relative;
}

.level-connector::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.5;
}

/* Footer section */
.hierarchy-footer {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 168, 83, 0.15);
    position: relative;
    z-index: 1;
}

.formula {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    color: var(--color-primary-light);
    background: rgba(212, 168, 83, 0.08);
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 10px;
    border: 1px solid rgba(212, 168, 83, 0.2);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.pilotta-constant {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.pilotta-constant strong {
    color: var(--color-primary);
}

/* Responsive styles */
@media (max-width: 768px) {
    .hierarchy {
        padding: 5rem 0;
    }

    .hierarchy::before {
        display: none;
    }

    .level-content {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
        gap: 1rem;
    }

    .level-content:hover {
        transform: translateY(-5px);
    }

    .level-icon {
        width: 70px;
        height: 70px;
    }

    .level-icon svg {
        width: 40px;
        height: 40px;
    }

    .level-data {
        justify-content: center;
    }

    .formula {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
        word-break: break-word;
    }
}

/* ==========================================
   Index Page - Indice dei Capitoli
   ========================================== */

.index-page {
    min-height: 100vh;
    padding: 6rem 0 4rem;
    background: var(--color-bg-dark);
}

.index-header {
    text-align: center;
    margin-bottom: 4rem;
    padding-top: 2rem;
}

.index-header h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-primary);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.index-author {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-primary-light);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.index-intro {
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.chapters-list {
    max-width: 900px;
    margin: 0 auto;
}

.chapter-section {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.2);
    font-weight: 600;
}

.chapter-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem;
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.6), rgba(15, 15, 22, 0.8));
    border: 1px solid rgba(212, 168, 83, 0.1);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    transition: all 0.3s ease;
}

.chapter-item:hover {
    border-color: rgba(212, 168, 83, 0.3);
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.chapter-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 168, 83, 0.15);
    border-radius: 50%;
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
}

.chapter-info {
    flex: 1;
}

.chapter-info h3 {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 0.4rem;
    font-weight: 500;
    line-height: 1.4;
}

.chapter-status {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    display: inline-block;
}

.chapter-status.coming-soon {
    background: rgba(108, 117, 125, 0.2);
    color: var(--color-text-muted);
}

.chapter-status.available {
    background: rgba(40, 167, 69, 0.2);
    color: #90ee90;
}

/* Full chapter item link */
.chapter-item.available {
    cursor: pointer;
}

.chapter-item.available .chapter-link {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    text-decoration: none;
    color: inherit;
    width: 100%;
}

.chapter-item.available:hover {
    border-color: rgba(40, 167, 69, 0.4);
    background: rgba(40, 167, 69, 0.05);
}

.chapter-item.available:hover .chapter-info h3 {
    color: var(--color-primary);
}

/* Chapter Page Styles */
.chapter-page {
    min-height: 100vh;
    padding: 6rem 0 4rem;
    background: var(--color-bg-dark);
}

.chapter-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.chapter-breadcrumb a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.chapter-breadcrumb a:hover {
    color: var(--color-primary);
}

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

.chapter-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.15);
}

.chapter-header .chapter-number {
    display: inline-block;
    width: auto;
    height: auto;
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.chapter-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.chapter-header .chapter-section {
    color: var(--color-text-muted);
    font-style: italic;
}

.chapter-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.chapter-intro .lead {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.chapter-intro p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

.chapter-page .hierarchy {
    padding: 2rem 0 4rem;
}

.chapter-navigation {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 168, 83, 0.15);
}

.chapter-navigation a {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    padding: 1rem 1.5rem;
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
    max-width: 45%;
}

.chapter-navigation a:hover {
    border-color: rgba(212, 168, 83, 0.5);
    background: rgba(212, 168, 83, 0.05);
}

.chapter-navigation .nav-prev {
    align-items: flex-start;
}

.chapter-navigation .nav-next {
    align-items: flex-end;
    margin-left: auto;
}

.chapter-navigation .nav-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.chapter-navigation .nav-title {
    color: var(--color-primary);
    font-size: 1rem;
    margin-top: 0.25rem;
}

@media (max-width: 768px) {
    .chapter-navigation {
        flex-direction: column;
    }

    .chapter-navigation a {
        max-width: 100%;
    }

    .chapter-navigation .nav-next {
        align-items: flex-start;
    }
}

.index-footer-note {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 168, 83, 0.15);
}

.index-footer-note p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .chapter-item {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .chapter-number {
        margin: 0 auto;
    }

    .chapter-info h3 {
        font-size: 1rem;
    }
}

/* Donate Section */
.donate {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, #0f0f18 100%);
}

.donate h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.donate-intro {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 4rem;
    font-size: 1.1rem;
}

.donation-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.donation-card {
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.95), rgba(15, 15, 22, 0.98));
    border: 1px solid rgba(212, 168, 83, 0.15);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.donation-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.donation-card:hover {
    border-color: rgba(212, 168, 83, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px var(--color-glow);
}

.donation-card.premium {
    border-color: rgba(212, 168, 83, 0.3);
}

.ribbon {
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, var(--color-accent), #e55a2b);
    color: white;
    padding: 0.5rem 3rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(255, 107, 53, 0.4);
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-header .amount {
    display: block;
    font-size: 3rem;
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
}

.card-header .label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.card-body {
    margin-bottom: 2rem;
}

.card-body p {
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.card-body .anonymous {
    color: var(--color-primary-light);
    font-style: italic;
}

.card-body .book-title {
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-style: italic;
    margin: 1rem 0;
}

.card-body .note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.donate-btn {
    display: inline-block;
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.donate-btn:hover {
    box-shadow: 0 4px 20px var(--color-glow);
    transform: scale(1.02);
}

.paypal-info {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    background: rgba(212, 168, 83, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(212, 168, 83, 0.1);
}

.paypal-info p {
    color: var(--color-text-muted);
}

.paypal-info strong {
    color: var(--color-primary-light);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--color-bg-section);
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.contact.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.contact p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.email-link {
    display: inline-block;
    color: var(--color-primary-light);
    font-size: 1.2rem;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(212, 168, 83, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.email-link:hover {
    background: rgba(212, 168, 83, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px var(--color-glow);
}

.email-btn {
    display: inline-block;
    color: var(--color-primary-light);
    text-decoration: none;
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(212, 168, 83, 0.3);
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.email-btn:hover {
    background: rgba(212, 168, 83, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-glow);
}

/* Footer */
footer {
    padding: 4rem 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, #050508 100%);
    text-align: center;
    border-top: 1px solid rgba(212, 168, 83, 0.1);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-primary);
    font-style: italic;
    margin-bottom: 0.25rem;
}

.footer-subtitle {
    font-family: var(--font-heading);
    color: var(--color-primary-light);
    font-style: italic;
    margin-bottom: 1rem;
}

.copyright {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .donation-options {
        grid-template-columns: 1fr;
    }

    .hero-content {
        padding: 1rem;
    }

    .container {
        padding: 0 1.5rem;
    }

    .about, .donate {
        padding: 5rem 0;
    }
}

/* Language Switcher */
.lang-switcher {
    position: fixed;
    top: 1.5rem;
    right: 2rem;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.lang-switcher a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.lang-switcher a:hover,
.lang-switcher a.active {
    color: var(--color-primary);
}

.lang-switcher .separator {
    color: rgba(212, 168, 83, 0.3);
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(212, 168, 83, 0.1);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 50%;
    color: var(--color-primary);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(212, 168, 83, 0.2);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--color-glow);
}

.social-link svg {
    width: 22px;
    height: 22px;
}

/* Single Donation Card */
.donation-single {
    display: flex;
    justify-content: center;
    max-width: 400px;
    margin: 0 auto;
}

.donation-single .donation-card {
    width: 100%;
}

/* Selection color */
::selection {
    background: var(--color-primary);
    color: var(--color-bg-dark);
}

/* ==========================================
   Legal Pages Styles
   ========================================== */

.legal-page {
    min-height: 100vh;
    padding: 6rem 0 4rem;
    background: var(--color-bg-dark);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 0.5rem;
}

.legal-updated {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 3rem;
}

.legal-content section {
    margin-bottom: 2.5rem;
}

.legal-content h2 {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.2);
}

.legal-content h3 {
    font-size: 1.1rem;
    color: var(--color-primary-light);
    margin: 1.5rem 0 0.75rem;
}

.legal-content p {
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.legal-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.legal-content li {
    color: var(--color-text);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.legal-content a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-content a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.legal-content .email-btn {
    display: inline-block;
    color: var(--color-primary-light);
    text-decoration: none;
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(212, 168, 83, 0.3);
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    margin-left: 0.3rem;
}

.legal-content .email-btn:hover {
    background: rgba(212, 168, 83, 0.1);
    border-color: var(--color-primary);
    box-shadow: 0 0 15px var(--color-glow);
    text-decoration: none;
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.cookie-table th,
.cookie-table td {
    padding: 0.75rem;
    text-align: left;
    border: 1px solid rgba(212, 168, 83, 0.2);
}

.cookie-table th {
    background: rgba(212, 168, 83, 0.1);
    color: var(--color-primary);
    font-weight: 600;
}

.cookie-table td {
    color: var(--color-text);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

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

/* ==========================================
   Cookie Banner Styles
   ========================================== */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.98), rgba(15, 15, 22, 1));
    border-top: 1px solid rgba(212, 168, 83, 0.3);
    padding: 1.5rem;
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.4s ease;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cookie-banner-text {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.cookie-banner-text a {
    color: var(--color-primary-light);
    text-decoration: none;
}

.cookie-banner-text a:hover {
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.cookie-btn-accept {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
}

.cookie-btn-accept:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px var(--color-glow);
}

.cookie-btn-reject {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid rgba(212, 168, 83, 0.3);
}

.cookie-btn-reject:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.cookie-btn-settings {
    background: transparent;
    color: var(--color-primary-light);
    border: none;
    padding: 0.75rem 1rem;
    text-decoration: underline;
}

.cookie-btn-settings:hover {
    color: var(--color-primary);
}

/* Cookie Settings Modal */
.cookie-settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.cookie-settings-modal.visible {
    opacity: 1;
    visibility: visible;
}

.cookie-settings-content {
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.98), rgba(15, 15, 22, 1));
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-settings-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cookie-settings-header h3 {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin: 0;
}

.cookie-settings-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.cookie-settings-close:hover {
    color: var(--color-primary);
}

.cookie-settings-body {
    padding: 1.5rem;
}

.cookie-category {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
}

.cookie-category:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.cookie-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.cookie-category-header h4 {
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

.cookie-category p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.5;
}

/* Toggle Switch */
.cookie-toggle {
    position: relative;
    width: 50px;
    height: 26px;
}

.cookie-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(108, 117, 125, 0.3);
    transition: 0.3s;
    border-radius: 26px;
}

.cookie-toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: var(--color-text-muted);
    transition: 0.3s;
    border-radius: 50%;
}

.cookie-toggle input:checked + .cookie-toggle-slider {
    background-color: var(--color-primary);
}

.cookie-toggle input:checked + .cookie-toggle-slider:before {
    transform: translateX(24px);
    background-color: var(--color-bg-dark);
}

.cookie-toggle input:disabled + .cookie-toggle-slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.cookie-settings-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(212, 168, 83, 0.15);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Manage Cookies Button in Footer */
.manage-cookies-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.3s ease;
    font-family: var(--font-body);
}

.manage-cookies-btn:hover {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .cookie-banner-content {
        text-align: center;
    }

    .cookie-banner-actions {
        justify-content: center;
    }

    .cookie-table {
        font-size: 0.8rem;
    }

    .cookie-table th,
    .cookie-table td {
        padding: 0.5rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* ==========================================
   Accessibility Improvements
   ========================================== */

/* Skip to content link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    padding: 0.75rem 1.5rem;
    z-index: 1000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 0;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

/* Focus indicators for keyboard navigation */
.keyboard-nav a:focus,
.keyboard-nav button:focus,
.keyboard-nav [tabindex="0"]:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Default focus styles (visible for all users) */
a:focus-visible,
button:focus-visible,
.cta-button:focus-visible,
.donate-btn:focus-visible,
.social-link:focus-visible,
.email-link:focus-visible,
.lang-switcher a:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 3px;
}

/* Enhanced hover states for better feedback */
.social-link:focus-visible {
    background: rgba(212, 168, 83, 0.25);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--color-glow);
}

.cta-button:focus-visible,
.donate-btn:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--color-glow), 0 0 50px rgba(212, 168, 83, 0.3);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .hero {
        background-attachment: scroll;
    }
}

/* ==========================================
   Top Navigation (Full Navbar)
   ========================================== */

.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.15);
    transition: all 0.3s ease;
}

.top-nav.scrolled {
    padding: 0.5rem 2rem;
    background: rgba(10, 10, 15, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Brand / Logo */
.nav-brand {
    flex-shrink: 0;
}

.brand-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    font-style: italic;
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
}

.brand-link:hover .brand-name {
    color: var(--color-primary-light);
}

/* Center Navigation Links */
.nav-center {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(212, 168, 83, 0.08);
}

.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
}

.nav-mcp {
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.15), rgba(212, 168, 83, 0.05));
    border: 1px solid rgba(212, 168, 83, 0.3);
    color: var(--color-primary-light) !important;
}

.nav-mcp:hover {
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.25), rgba(212, 168, 83, 0.1));
    border-color: var(--color-primary);
}

/* Right Section */
.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-lang {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding-right: 1rem;
    border-right: 1px solid rgba(212, 168, 83, 0.2);
}

.nav-lang a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-lang a:hover {
    color: var(--color-primary);
}

.nav-lang a.active {
    color: var(--color-primary);
    background: rgba(212, 168, 83, 0.1);
}

.nav-lang .separator {
    color: rgba(212, 168, 83, 0.3);
    font-size: 0.75rem;
}

.nav-login {
    padding: 0.5rem 1.25rem !important;
    border: 1px solid rgba(212, 168, 83, 0.3);
    border-radius: 20px;
    transition: all 0.3s ease !important;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
}

.nav-login:hover {
    background: rgba(212, 168, 83, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu span {
    color: var(--color-primary-light);
    font-weight: 500;
}

.user-menu a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.user-menu a:hover {
    color: var(--color-primary);
}

/* Mobile Toggle Button */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid rgba(212, 168, 83, 0.3);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    gap: 5px;
    transition: all 0.3s ease;
}

.nav-toggle:hover {
    border-color: var(--color-primary);
    background: rgba(212, 168, 83, 0.1);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 1px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 900px) {
    .nav-center {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
        border-bottom: 1px solid rgba(212, 168, 83, 0.15);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

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

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-lang {
        padding-right: 0.5rem;
        border-right: none;
    }

    .nav-login {
        padding: 0.4rem 1rem !important;
        font-size: 0.8rem;
    }
}

@media (max-width: 600px) {
    .top-nav {
        padding: 0.5rem 1rem;
    }

    .brand-name {
        font-size: 1.1rem;
    }

    .nav-right {
        gap: 0.5rem;
    }

    .user-menu {
        gap: 0.5rem;
    }

    .user-menu span {
        display: none;
    }
}

/* ==========================================
   Authentication Pages (Login/Register)
   ========================================== */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-section) 100%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.95), rgba(15, 15, 22, 0.98));
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid rgba(212, 168, 83, 0.2);
    margin-bottom: 2rem;
}

.auth-tab {
    flex: 1;
    padding: 1rem;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.auth-tab:hover {
    color: var(--color-primary-light);
}

.auth-tab.active {
    color: var(--color-primary);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--color-text);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(10, 10, 15, 0.6);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 10px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(212, 168, 83, 0.15);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
}

.btn-primary {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    border: none;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--color-glow);
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid rgba(212, 168, 83, 0.3);
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.auth-message {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    text-align: center;
}

.auth-message.error {
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #f08080;
}

.auth-message.success {
    background: rgba(40, 167, 69, 0.15);
    border: 1px solid rgba(40, 167, 69, 0.3);
    color: #90ee90;
}

.auth-message.info {
    background: rgba(212, 168, 83, 0.1);
    border: 1px solid rgba(212, 168, 83, 0.3);
    color: var(--color-primary-light);
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
}

.auth-link a {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.auth-subtitle {
    color: var(--color-primary-light);
    font-family: var(--font-heading);
    font-style: italic;
}

.form-hint {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin-top: 0.4rem;
}

/* ==========================================
   Library Page
   ========================================== */

.library-page {
    min-height: 100vh;
    padding: 6rem 0 4rem;
    background: var(--color-bg-dark);
}

.library-header {
    text-align: center;
    margin-bottom: 3rem;
}

.library-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.library-intro {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.library-filters {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 25px;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.document-card {
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.95), rgba(15, 15, 22, 0.98));
    border: 1px solid rgba(212, 168, 83, 0.15);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.document-card:hover {
    border-color: rgba(212, 168, 83, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.document-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 168, 83, 0.1);
    border-radius: 10px;
    color: var(--color-primary);
}

.document-icon svg {
    width: 28px;
    height: 28px;
}

.document-info {
    flex: 1;
    min-width: 0;
}

.document-title {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.document-desc {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.document-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.document-type {
    color: var(--color-primary-light);
}

.view-btn {
    flex-shrink: 0;
    padding: 0.6rem 1.25rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-bg-dark);
    border: none;
    border-radius: 25px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: center;
}

.view-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px var(--color-glow);
}

/* ==========================================
   Admin Page
   ========================================== */

.admin-page {
    min-height: 100vh;
    padding: 5rem 0 4rem;
    background: var(--color-bg-dark);
}

.admin-header {
    margin-bottom: 2rem;
}

.admin-header h1 {
    font-size: 2rem;
    color: var(--color-primary);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.95), rgba(15, 15, 22, 0.98));
    border: 1px solid rgba(212, 168, 83, 0.15);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.admin-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.2);
    padding-bottom: 0;
}

.admin-tab {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.admin-tab:hover {
    color: var(--color-primary-light);
}

.admin-tab.active {
    color: var(--color-primary);
}

.admin-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--color-text);
}

.section-header .btn-primary {
    width: auto;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.95), rgba(15, 15, 22, 0.98));
    border-radius: 12px;
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(212, 168, 83, 0.1);
}

.admin-table th {
    background: rgba(212, 168, 83, 0.1);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table td {
    color: var(--color-text);
    font-size: 0.9rem;
}

.admin-table tr:hover td {
    background: rgba(212, 168, 83, 0.05);
}

.admin-table .actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(212, 168, 83, 0.1);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 8px;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: rgba(212, 168, 83, 0.2);
    border-color: var(--color-primary);
}

.btn-icon.danger {
    background: rgba(220, 53, 69, 0.1);
    border-color: rgba(220, 53, 69, 0.2);
    color: #f08080;
}

.btn-icon.danger:hover {
    background: rgba(220, 53, 69, 0.2);
    border-color: #f08080;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge.admin {
    background: rgba(212, 168, 83, 0.2);
    color: var(--color-primary);
}

.badge.user {
    background: rgba(108, 117, 125, 0.2);
    color: var(--color-text-muted);
}

/* ==========================================
   User Details Expandable Row
   ========================================== */

.users-table .user-row {
    cursor: pointer;
    transition: background 0.2s ease;
}

.users-table .user-row:hover {
    background: rgba(212, 168, 83, 0.08);
}

.users-table .user-row.expanded {
    background: rgba(212, 168, 83, 0.1);
}

.user-email {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.expand-icon {
    font-size: 0.7rem;
    color: var(--color-primary);
    transition: transform 0.2s ease;
    display: inline-block;
    width: 1rem;
}

.user-row.expanded .expand-icon {
    transform: rotate(90deg);
}

.user-details-row td {
    padding: 0 !important;
    background: rgba(10, 10, 15, 0.5);
}

.user-details-row[hidden] {
    display: none;
}

.user-details {
    padding: 1.5rem;
    border-top: 1px solid rgba(212, 168, 83, 0.1);
}

.details-loading,
.details-error {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
}

.details-error {
    color: #f08080;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .details-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.details-section {
    background: rgba(20, 20, 30, 0.6);
    border: 1px solid rgba(212, 168, 83, 0.1);
    border-radius: 10px;
    padding: 1rem;
}

.details-section h4 {
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.15);
}

.details-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.info-label {
    color: var(--color-text-muted);
}

.info-value {
    color: var(--color-text);
    font-weight: 500;
}

.details-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.details-table th,
.details-table td {
    padding: 0.5rem;
    text-align: left;
    border-bottom: 1px solid rgba(212, 168, 83, 0.08);
}

.details-table th {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.details-table td {
    color: var(--color-text);
}

.details-table code {
    background: rgba(212, 168, 83, 0.1);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--color-primary-light);
}

.session-active {
    color: #4caf50;
    font-weight: 600;
    font-size: 0.75rem;
}

.device-info {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.no-data {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-style: italic;
    text-align: center;
    padding: 1rem;
}

/* ==========================================
   Modal Styles
   ========================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal[hidden] {
    display: none;
}

.modal-content {
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.98), rgba(15, 15, 22, 1));
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-content.pdf-viewer {
    max-width: 90vw;
    max-height: 90vh;
    width: 900px;
    height: 85vh;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(212, 168, 83, 0.15);
}

.modal-header h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    font-weight: 500;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.75rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
    border-radius: 4px;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(212, 168, 83, 0.15);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.form-actions .btn-primary {
    width: auto;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    accent-color: var(--color-primary);
    margin-top: 0.2rem;
    cursor: pointer;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--color-text-muted);
}

.checkbox-group label a {
    color: var(--color-primary-light);
    text-decoration: none;
}

.checkbox-group label a:hover {
    text-decoration: underline;
}

/* ==========================================
   Utility Classes
   ========================================== */

.loading-spinner {
    text-align: center;
    color: var(--color-text-muted);
    padding: 3rem;
}

.error-message {
    text-align: center;
    color: #f08080;
    padding: 2rem;
}

.empty-message {
    text-align: center;
    color: var(--color-text-muted);
    padding: 3rem;
}

.no-results {
    text-align: center;
    color: var(--color-text-muted);
    padding: 2rem;
    grid-column: 1 / -1;
}

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

/* ==========================================
   Responsive for New Pages
   ========================================== */

@media (max-width: 768px) {
    .top-nav {
        padding: 0.75rem 1rem;
    }

    .auth-container {
        padding: 1.5rem;
    }

    .documents-grid {
        grid-template-columns: 1fr;
    }

    .document-card {
        flex-direction: column;
        align-items: stretch;
    }

    .view-btn {
        align-self: stretch;
        text-align: center;
    }

    .admin-table {
        font-size: 0.85rem;
    }

    .admin-table th,
    .admin-table td {
        padding: 0.75rem 0.5rem;
    }

    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .modal-content.pdf-viewer {
        max-width: 100%;
        height: 100vh;
        border-radius: 0;
    }
}