/* === CSS Variables / Theme System === */
:root {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-card: #252525;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333;
    --accent-1: #4361EE;
    --accent-2: #4895EF;
    --accent-3: #4CC9F0;
    --danger: #D00000;
    --success: #2BBB99;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-2);
    text-decoration: none;
}

a:hover {
    color: var(--accent-3);
}

/* === Navbar === */
.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-1);
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.theme-selector-mini {
    cursor: pointer;
    font-size: 1.4rem;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    transition: background 0.2s;
}

.theme-selector-mini:hover {
    background: var(--bg-card);
}

/* === Theme Panel === */
.theme-panel {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.theme-panel-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.theme-option {
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: border-color 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.theme-option:hover {
    border-color: var(--accent-2);
    transform: scale(1.05);
}

.theme-option.active {
    border-color: var(--accent-1);
}

.theme-option-colors {
    display: flex;
    gap: 2px;
}

.theme-option-swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
}

.theme-option-name {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* === Hero Section (Start Page) === */
.hero {
    text-align: center;
    padding: 4rem 0 3rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-1);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 400;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* === Section Titles === */
.section-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--accent-1);
}

/* === Featured Projects === */
.featured-section {
    padding: 2rem 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.featured-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s;
}

.featured-card:hover {
    transform: translateY(-3px);
}

.featured-card h3 {
    color: var(--accent-2);
    margin-bottom: 1rem;
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* === Contact Form === */
.contact-section {
    padding: 3rem 0;
}

.contact-form {
    max-width: 600px;
}

/* === Auth Section === */
.auth-section {
    max-width: 400px;
    margin: 2rem auto;
}

.auth-section h1 {
    margin-bottom: 1.5rem;
    color: var(--accent-1);
}

.auth-link {
    margin-top: 1rem;
    color: var(--text-secondary);
}

/* === Forms === */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.form-feedback {
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    display: none;
}

.form-feedback.success {
    display: block;
    background: rgba(43, 187, 153, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.form-feedback.error {
    display: block;
    background: rgba(208, 0, 0, 0.15);
    color: var(--danger);
    border: 1px solid var(--danger);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background 0.2s, transform 0.1s;
    text-align: center;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--accent-1);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-2);
    color: #fff;
}

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

.btn-sm {
    padding: 0.3rem 0.7rem;
    font-size: 0.85rem;
}

.btn-edit {
    background: var(--accent-1);
    color: #fff;
}

.btn-delete {
    background: var(--danger);
    color: #fff;
}

/* === CRUD Section === */
.crud-section h1 {
    color: var(--accent-1);
    margin-bottom: 1.5rem;
}

.crud-section h2 {
    color: var(--accent-2);
    margin: 1.5rem 0 1rem;
}

.crud-form {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.crud-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.crud-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    padding: 1rem 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.crud-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.crud-item-info span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* === Dashboard === */
.dashboard-section h1 {
    color: var(--accent-1);
    margin-bottom: 0.5rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}

.dashboard-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.dashboard-card h3 {
    color: var(--accent-2);
    margin-bottom: 0.5rem;
}

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

/* === Featured Form === */
.featured-form {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.featured-checkbox {
    display: block;
    padding: 0.5rem 0;
    cursor: pointer;
    color: var(--text-secondary);
}

.featured-checkbox input {
    margin-right: 0.5rem;
}

/* === Screenshots Grid === */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.screenshot-slot {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.screenshot-slot h3 {
    font-size: 0.95rem;
    color: var(--accent-2);
    margin-bottom: 0.75rem;
}

.screenshot-preview {
    width: 100%;
    height: 140px;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

.screenshot-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}

.screenshot-empty {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.upload-form input[type="file"] {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* === Themes List === */
.themes-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.theme-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    padding: 1rem 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.theme-item-info {
    flex: 1;
}

.theme-item-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin: 0.25rem 0;
}

.theme-colors-preview {
    display: flex;
    gap: 3px;
    margin-top: 0.5rem;
}

.theme-color-swatch {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}

/* === Color Input Groups (Theme Edit) === */
.color-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.color-input-group {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.color-input-group input[type="color"] {
    width: 36px;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    cursor: pointer;
}

.color-hex-input {
    width: 80px !important;
    font-family: monospace;
    font-size: 0.85rem !important;
}

/* === Footer === */
.footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

/* === Responsive === */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 1.2rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .nav-links {
        gap: 0.75rem;
        font-size: 0.85rem;
    }
    .crud-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .theme-item {
        flex-direction: column;
        align-items: flex-start;
    }
}