/* Portfolio - Full Dark Theme */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #16161f;
    --accent: #1e3a5f;
    --accent-light: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: rgba(255, 255, 255, 0.1);
}

/* Base */
html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-light);
}

/* Selection */
::selection {
    background: var(--accent);
    color: white;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 100;
    border: none;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-light);
    transform: translateY(-4px);
}

/* Glow effects */
.glow-box {
    box-shadow: 0 0 30px var(--accent-glow);
}

.glow-text {
    text-shadow: 0 0 30px var(--accent-glow);
}

/* Card styles */
.dark-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.dark-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Gradient border */
.gradient-border {
    position: relative;
    background: var(--bg-card);
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 1px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    border-radius: inherit;
    pointer-events: none;
}

/* Skill filter */
.skill-filter.active {
    background: var(--accent) !important;
    color: white !important;
    border-color: var(--accent) !important;
}

/* Form inputs */
input, textarea, select {
    background: var(--bg-tertiary) !important;
    border-color: var(--border) !important;
    color: var(--text-primary) !important;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted) !important;
}

/* Project Modal */
.project-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.project-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.project-modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.project-modal.active .project-modal-content {
    transform: scale(1) translateY(0);
}

.project-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.2s ease;
}

.project-modal-close:hover {
    background: var(--accent);
    border-color: var(--accent);
}

/* Image Gallery */
.gallery-main {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 0.75rem;
}

.gallery-thumbs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
}

.gallery-thumb {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 0.5rem;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    flex-shrink: 0;
}

.gallery-thumb:hover,
.gallery-thumb.active {
    opacity: 1;
    border-color: var(--accent);
}

/* Animated counter */
.counter {
    display: inline-block;
}

/* Skill row */
.skill-row {
    transition: all 0.2s ease;
}

.skill-row:hover {
    background: var(--bg-tertiary);
    padding-left: 1.5rem;
}

/* Progress bar animation */
@keyframes progressFill {
    from { width: 0; }
}

.progress-animate {
    animation: progressFill 1.5s ease-out forwards;
}

/* Typing cursor */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.cursor-blink {
    animation: blink 1s infinite;
}

/* Floating animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Pulse glow */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 40px var(--accent-glow); }
}

.pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

/* Horizontal scroll */
.horizontal-scroll {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 1rem;
}

.horizontal-scroll::-webkit-scrollbar {
    height: 6px;
}

.horizontal-scroll::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.horizontal-scroll::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

.horizontal-scroll > * {
    scroll-snap-align: start;
    flex-shrink: 0;
}

/* Line clamp */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Grid background pattern */
.grid-pattern {
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Noise overlay */
.noise-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.02;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    .project-modal-content {
        margin: 1rem;
        max-height: 85vh;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }

    nav, footer, .back-to-top, .scroll-progress {
        display: none;
    }
}

/* Reduced motion */
@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;
    }
}