/* ============================================
   Leo's Projects - Master Stylesheet
   Minecraft-themed with modern polish
   ============================================ */

/* --- CSS Variables --- */
:root {
    --sky-blue: #36C7F2;
    --sky-dark: #1a8ab5;
    --grass-green: #7BEA24;
    --grass-dark: #5cb818;
    --dirt-brown: #926C4D;
    --dirt-dark: #6b4f38;
    --gold: #FFD700;
    --gold-dark: #c9a800;
    --creeper-green: #32CD32;
    --dark-bg: #1a1a2e;
    --darker-bg: #0f0f1a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --text-muted: #707080;
    --danger: #ff4757;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Animated Background --- */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(54, 199, 242, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(123, 234, 36, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.04) 0%, transparent 50%);
    z-index: -2;
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* Pixel grid overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 32px 32px;
    z-index: -1;
    pointer-events: none;
}

/* --- Navigation Bar --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--gold);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.navbar-brand .brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--grass-green), var(--sky-blue));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    image-rendering: pixelated;
}

.navbar-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.navbar-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.navbar-links a.active {
    color: var(--gold);
}

/* --- Page Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* --- Hero Sections --- */
.hero {
    text-align: center;
    padding: 80px 24px 60px;
    position: relative;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--gold) 0%, #fff 50%, var(--gold) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: goldShimmer 4s ease-in-out infinite;
}

@keyframes goldShimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero .subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--creeper-green), var(--grass-dark));
    color: #fff;
    border-color: var(--grass-dark);
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(50, 205, 50, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border-color: var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #1a1a2e;
    border-color: var(--gold-dark);
    font-weight: 700;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(255, 215, 0, 0.3);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

/* Old .button class - kept for backward compatibility */
.button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 2px solid var(--grass-dark);
    background: linear-gradient(135deg, var(--creeper-green), var(--grass-dark));
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    box-shadow: var(--shadow-sm);
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(50, 205, 50, 0.3);
}

/* --- Project Cards Grid (Landing Page) --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 255, 255, 0.2);
}

.project-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--card-border);
}

.project-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-card-tag {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    width: fit-content;
}

.tag-minecraft {
    background: rgba(123, 234, 36, 0.15);
    color: var(--grass-green);
}

.tag-web {
    background: rgba(54, 199, 242, 0.15);
    color: var(--sky-blue);
}

.tag-game {
    background: rgba(255, 215, 0, 0.15);
    color: var(--gold);
}

.project-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex: 1;
}

.project-card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- Skin Gallery --- */
.skin-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.skin-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    position: relative;
}

.skin-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(54, 199, 242, 0.15);
    border-color: var(--sky-blue);
}

.skin-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    image-rendering: auto;
    display: block;
    transition: var(--transition);
}

.skin-card:hover img {
    transform: scale(1.05);
}

.skin-card-body {
    padding: 14px 16px;
}

.skin-card-body h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.skin-card-body .skin-type {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Image overflow hidden container */
.skin-card .skin-card-img {
    overflow: hidden;
    position: relative;
}

.skin-card .skin-card-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, var(--dark-bg), transparent);
    pointer-events: none;
    opacity: 0.5;
}

/* Old .skin-item class - enhanced */
.skin-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    display: block;
}

.skin-item:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(54, 199, 242, 0.15);
    border-color: var(--sky-blue);
}

.skin-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    image-rendering: auto;
    display: block;
    transition: var(--transition);
}

.skin-item:hover img {
    transform: scale(1.05);
}

/* --- Gender Selection Cards --- */
.gender-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.gender-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.gender-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--sky-blue);
}

.gender-card .card-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.gender-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.gender-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.gender-card .count-badge {
    display: inline-block;
    margin-top: 16px;
    padding: 4px 14px;
    background: rgba(54, 199, 242, 0.15);
    color: var(--sky-blue);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* --- Skin Detail Page --- */
.skin-detail {
    text-align: center;
    padding: 20px 0;
}

.skin-detail-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .skin-detail-wrapper {
        flex-direction: row;
        align-items: flex-start;
    }
}

.skin-preview-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.skin-preview-container img {
    width: 300px;
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
    image-rendering: auto;
}

.skin-detail img {
    width: 300px;
    max-width: 100%;
    height: auto;
    margin: 20px auto;
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 16px;
    image-rendering: auto;
}

.skin-info {
    flex: 1;
    text-align: left;
}

.skin-info h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.skin-info .skin-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.skin-info .meta-tag {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.skin-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 24px;
    justify-content: center;
}

/* --- Form Styles --- */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-group {
    margin-bottom: 24px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--sky-blue);
    box-shadow: 0 0 0 3px rgba(54, 199, 242, 0.15);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Radio button group */
.radio-group {
    display: flex;
    gap: 12px;
}

.radio-option {
    flex: 1;
    position: relative;
}

.radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-option label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--text-secondary);
}

.radio-option input[type="radio"]:checked + label {
    background: rgba(54, 199, 242, 0.15);
    border-color: var(--sky-blue);
    color: var(--sky-blue);
}

.radio-option label:hover {
    background: rgba(255, 255, 255, 0.1);
}

input[type="submit"] {
    width: 100%;
}

/* --- Stats Bar --- */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 32px 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gold);
    display: block;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Breadcrumb --- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--sky-blue);
}

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

/* --- Footer --- */
.footer {
    text-align: center;
    padding: 40px 24px;
    border-top: 1px solid var(--card-border);
    margin-top: 60px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* --- Page Title --- */
h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--gold);
    text-shadow: none;
    text-align: center;
    margin-bottom: 8px;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

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

/* --- Utility --- */
.text-center {
    text-align: center;
}

.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

/* --- Divider --- */
.divider {
    border: none;
    height: 1px;
    background: var(--card-border);
    margin: 40px 0;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
    }

    .navbar-links a {
        padding: 6px 10px;
        font-size: 0.8rem;
    }

    .container {
        padding: 24px 16px;
    }

    .hero {
        padding: 48px 16px 40px;
    }

    .skin-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .skin-card img,
    .skin-item img {
        height: 160px;
    }

    .stats-bar {
        gap: 24px;
    }

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

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

    .skin-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .navbar-brand span {
        display: none;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .skin-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.5s ease forwards;
}

.fade-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-delay-3 { animation-delay: 0.3s; opacity: 0; }
.fade-in-delay-4 { animation-delay: 0.4s; opacity: 0; }
.fade-in-delay-5 { animation-delay: 0.5s; opacity: 0; }

/* --- Scroll reveal (JS-powered) --- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Filter/Tab bar --- */
.filter-bar {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    font-family: inherit;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.filter-btn.active {
    background: rgba(54, 199, 242, 0.15);
    border-color: var(--sky-blue);
    color: var(--sky-blue);
}

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* --- Skin count overlay on gallery cards --- */
.skin-card .new-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    background: var(--gold);
    color: var(--darker-bg);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}