:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-darker: #020617;
    --accent-primary: #3b82f6;
    --accent-secondary: #6366f1;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: rgba(255, 255, 255, 0.6);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --bg-card-secondary: rgba(255, 255, 255, 0.05);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

:root.light-mode {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-darker: #f1f5f9;
    --accent-primary: #2563eb;
    --accent-secondary: #4f46e5;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: rgba(15, 23, 42, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.08);
    --bg-card-secondary: rgba(15, 23, 42, 0.05);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

a {
    transition: var(--transition-base);
    text-decoration: none;
    color: var(--accent-primary);
}

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

/* Glassmorphism Utilities */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

/* Navbar Modernization */
.custom-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-base);
}

.custom-navbar.scrolled {
    padding: 1rem 0;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero Section */
.hero-gradient {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    z-index: -1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to bottom right, var(--text-primary) 30%, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Portfolio Grid */
.site-portfolio .item .item-wrap {
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    transition: var(--transition-base);
}

.site-portfolio .item .item-wrap:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-primary);
}

.site-portfolio .item .work-info {
    padding: 2rem;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
}

.light-mode .site-portfolio .item .work-info {
    background: linear-gradient(to top, rgba(255, 255, 255, 0.95), transparent);
}

.site-portfolio .item .work-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: #fff;
}

.light-mode .site-portfolio .item .work-info h3 {
    color: #0f172a;
}

.site-portfolio .item .work-info span {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.05em;
}

.light-mode .site-portfolio .item .work-info span {
    color: rgba(15, 23, 42, 0.7);
}

/* Skills */
.progress.custom-progress {
    height: 8px;
    background-color: var(--bg-darker);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary)) !important;
    border-radius: 4px;
}

/* Buttons */
.readmore {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white !important;
    border-radius: 12px;
    font-weight: 600;
    border: none;
    transition: var(--transition-base);
}

.readmore:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 0 2rem;
    margin-top: 5rem;
}

.social a {
    background: var(--bg-primary) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--glass-border);
}

.social a:hover {
    background: var(--accent-primary) !important;
    color: white !important;
    border-color: var(--accent-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Admin Specific */
.admin-table {
    border-collapse: separate;
    border-spacing: 0 8px;
    width: 100%;
}

.admin-table thead th {
    background: transparent;
    border: none;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.admin-table tbody tr {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition-base);
}

.admin-table tbody tr td {
    padding: 1.25rem 1.5rem;
    color: var(--text-primary);
}

.admin-table tbody tr td:first-child {
    border-radius: 12px 0 0 12px;
}

.admin-table tbody tr td:last-child {
    border-radius: 0 12px 12px 0;
}

.admin-table tbody tr:hover {
    background: var(--bg-secondary);
    transform: scale(1.005);
    box-shadow: var(--card-shadow);
}

/* Status & Badges */
.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.badge-outline-primary {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Modern Form Controls */
.form-control, .form-select {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary) !important;
    border-radius: 12px;
    padding: 0.8rem 1.25rem;
    transition: var(--transition-base);
}

.form-control:focus, .form-select:focus {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
    outline: none;
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding-left: 2rem;
    border-left: 1px solid var(--glass-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: -2.4rem;
    top: 0.25rem;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-primary);
    z-index: 1;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -2.35rem;
    top: 15px;
    width: 1px;
    height: 100%;
    background: var(--glass-border);
}

/* Floating Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.bg-blur-circle {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.15;
}

/* Theme Toggle Button Style */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.theme-toggle-btn:hover {
    background: var(--accent-primary);
    color: white;
    transform: rotate(15deg);
}

.section-bg-alt {
    background-color: var(--bg-darker);
}

/* Adaptive Utilities */
.text-adaptive-muted {
    color: var(--text-muted) !important;
}

.text-adaptive-primary {
    color: var(--text-primary) !important;
}

.btn-adaptive-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    transition: var(--transition-base);
}

.btn-adaptive-outline:hover {
    background: var(--accent-primary);
    color: white !important;
    border-color: var(--accent-primary);
}

.bg-card-adaptive {
    background: var(--bg-card-secondary) !important;
}

.client-logo-img {
    filter: grayscale(1) invert(1) brightness(2);
    transition: var(--transition-base);
}

.light-mode .client-logo-img {
    filter: grayscale(1) contrast(1.2) opacity(0.8);
}

.social-icon-adaptive {
    background: var(--glass-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--glass-border);
    transition: var(--transition-base);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-icon-adaptive:hover {
    background: var(--accent-primary) !important;
    color: white !important;
    transform: translateY(-5px);
}