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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --accent-blue: #58a6ff;
    --accent-purple: #7c3aed;
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    --border-color: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.nav-logo svg {
    color: var(--accent-blue);
}

.nav-logo span {
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: 0.3s;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 6rem 1rem 2rem;
}

.hero-icons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-icon {
    color: var(--accent-blue);
    animation: pulse 2s infinite;
}

.hero-icon:nth-child(2) {
    color: var(--accent-purple);
    animation-delay: 0.2s;
}

.hero-icon:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 1.25rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    color: var(--text-primary);
}

.btn-primary:hover {
    box-shadow: 0 10px 30px rgba(88, 166, 255, 0.5);
    transform: scale(1.05);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: rgba(88, 166, 255, 0.5);
    transform: scale(1.05);
}

.btn-cancel {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-cancel:hover {
    border-color: rgba(88, 166, 255, 0.5);
}

/* Sections */
.section {
    min-height: 100vh;
    padding: 5rem 1rem;
    display: flex;
    align-items: center;
}

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

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.about-desc {
    max-width: 800px;
    margin: 0 auto;
}

/* Form */
.form-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: span 2;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-group input[type="range"] {
    cursor: pointer;
    accent-color: var(--accent-blue);
}

.form-group textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 1rem;
}

.full-width {
    width: 100%;
}

/* Filters */
.filters {
    margin-bottom: 2rem;
}

.search-box {
    position: relative;
    margin-bottom: 1rem;
}

.search-box svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
}

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

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.filter-grid select {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
}

.filter-grid select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* Collection Grid */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

@media (min-width: 1400px) {
    .collection-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (min-width: 1024px) and (max-width: 1399px) {
    .collection-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .collection-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 640px) and (max-width: 767px) {
    .collection-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


.card {
    background: var(--bg-secondary);
    border-radius: 1.25rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s;
}

.card:hover {
    border-color: rgba(88, 166, 255, 0.5);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(88, 166, 255, 0.2);
}

.card-poster {
    position: relative;
    aspect-ratio: 2/3;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.2), rgba(124, 58, 237, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
}

.card-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-poster svg {
    color: rgba(88, 166, 255, 0.3);
    width: 64px;
    height: 64px;
}

.card-category {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border-radius: 1rem;
    font-size: 0.875rem;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.card-poster:hover .card-overlay {
    opacity: 1;
}

.card-overlay svg {
    color: var(--text-primary);
    width: 32px;
    height: 32px;
}

.card-content {
    padding: 1rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-genre {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.card-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.card-year {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.card-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-rating svg {
    color: #fbbf24;
    fill: #fbbf24;
    width: 16px;
    height: 16px;
}

.card-status {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    border: 1px solid;
    margin-bottom: 0.75rem;
}

.status-watched {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.3);
}

.status-watching {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.3);
}

.status-plan-to-watch {
    background: rgba(168, 85, 247, 0.2);
    color: #c084fc;
    border-color: rgba(168, 85, 247, 0.3);
}

.card-notes {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clam: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.card-actions button {
    flex: 1;
    padding: 0.5rem;
    background: var(--bg-primary);
    border: none;
    border-radius: 0.5rem;
    color: var(--accent-blue);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    font-family: inherit;
    font-size: 0.875rem;
}

.card-actions button svg {
    width: 16px;
    height: 16px;
}

.card-actions button:hover {
    background: var(--accent-blue);
    color: var(--text-primary);
}

.card-actions button.delete-btn {
    color: #f87171;
}

.card-actions button.delete-btn:hover {
    background: #ef4444;
    color: var(--text-primary);
}

.empty-state {
    text-align: center;
    padding: 5rem 1rem;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Statistics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
    width: 100%;
}

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 1.25rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.stat-card:hover {
    border-color: rgba(88, 166, 255, 0.5);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(88, 166, 255, 0.2);
}

.stat-icon {
    padding: 0.75rem;
    border-radius: 0.75rem;
    display: inline-block;
    margin-bottom: 1rem;
}

.stat-total .stat-icon {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.2), rgba(124, 58, 237, 0.2));
    color: var(--accent-blue);
}

.stat-watched .stat-icon {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(5, 150, 105, 0.2));
    color: #4ade80;
}

.stat-watching .stat-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(14, 165, 233, 0.2));
    color: #60a5fa;
}

.stat-plan .stat-icon {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(236, 72, 153, 0.2));
    color: #c084fc;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.average-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.average-icon {
    display: inline-flex;
    padding: 1rem;
    border-radius: 1.25rem;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(249, 115, 22, 0.2));
    margin-bottom: 1rem;
}

.average-icon svg {
    color: #fbbf24;
    fill: #fbbf24;
}

.average-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.average-value {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(to right, #fbbf24, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.average-card p {
    color: var(--text-secondary);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1.25rem;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: rgba(88, 166, 255, 0.5);
    transform: scale(1.05);
}

.feature-icon {
    display: inline-flex;
    padding: 1rem;
    border-radius: 1.25rem;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.2), rgba(124, 58, 237, 0.2));
    margin-bottom: 1rem;
}

.feature-icon svg {
    color: var(--accent-blue);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
}

.info-card {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(124, 58, 237, 0.1));
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(88, 166, 255, 0.2);
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.info-card p:last-child {
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 1rem;
    text-align: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo svg {
    color: var(--accent-blue);
}

.footer-logo span {
    font-size: 1.125rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-made {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.footer-made svg {
    color: #ef4444;
    fill: #ef4444;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--bg-secondary);
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .form-group.full-width {
        grid-column: span 1;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 639px) {
    .collection-grid {
        grid-template-columns: 1fr !important;
    }
}