@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;700&display=swap');

/* --- PREMIUM TECH THEME VARIABLES --- */
:root {
    /* Day Mode: Clean, Airy, Tech Blue */
    --bg-main: #f3f6f9;       
    --bg-card: #ffffff;      
    --text-main: #2d3748;    
    --text-muted: #718096;    
    --border-color: #e2e8f0;  
    
    /* Brand Colors */
    --primary: #3b82f6;       /* Tech Blue */
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.4);
    
    --accent: #ef4444;        /* Alert Red */
    --accent-glow: rgba(239, 68, 68, 0.3);
    
    --success: #10b981;
    --warning: #f59e0b;

    /* Glass & Effects */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --backdrop-blur: 12px;
    --header-gradient: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    --card-hover-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.1);
    
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-bs-theme="dark"] {
    /* Night Mode: Deep Space, Neon Accents */
    --bg-main: #0b1120;       /* Very dark slate */
    --bg-card: #1e293b;       /* Slate 800 */
    --text-main: #f8fafc;     
    --text-muted: #94a3b8;    
    --border-color: #334155;  
    
    --primary: #60a5fa;       /* Lighter blue for dark mode */
    --primary-hover: #3b82f6;
    --primary-glow: rgba(96, 165, 250, 0.3);
    
    --accent: #f87171;
    --accent-glow: rgba(248, 113, 113, 0.2);

    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --header-gradient: linear-gradient(135deg, #020617 0%, #111827 100%);
    
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
    --card-hover-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.6);
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    transition: background-color 0.5s ease, color 0.5s ease;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 10% 20%, rgba(91, 134, 229, 0.05) 0%, rgba(54, 209, 220, 0.05) 90%);
    background-attachment: fixed;
}

/* --- NAVBAR GLASSMORPHISM --- */
.navbar {
    background: rgba(17, 24, 39, 0.9) !important; /* Always dark base for navbar */
    border-bottom: 1px solid rgba(255,255,255,0.05);
    backdrop-filter: blur(var(--backdrop-blur));
    box-shadow: 0 4px 30px rgba(0,0,0,0.2);
    padding: 1rem 0;
    z-index: 1000;
}
@supports (backdrop-filter: blur(10px)) {
    .navbar { background: rgba(17, 24, 39, 0.8) !important; }
}

.nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    transition: var(--transition-fast);
}
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--accent);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 80%;
}
.nav-link:hover {
    color: #fff !important;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* --- CARDS: THE CORE PREMUM ELEMENT --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    border-radius: 20px;
    transition: var(--transition-smooth);
    overflow: hidden;
    position: relative;
}

/* Glass effect for card headers if desired, or just clean separation */
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.card:hover {
    transform: translateY(-8px) scale(1.005);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--primary);
}

/* --- BUTTONS: NEON & GRADIENTS --- */
.btn {
    border-radius: 10px;
    padding: 0.6rem 1.4rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border: none;
    box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
    filter: brightness(1.1);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border: none;
    color: white !important;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}
.btn-warning:hover {
     transform: translateY(-2px);
     box-shadow: 0 8px 25px rgba(245, 158, 11, 0.6);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
    border: none;
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* --- INPUTS & FORMS --- */
.form-control, .form-select {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.8rem 1rem;
    color: var(--text-main);
    transition: var(--transition-fast);
}
.form-control:focus, .form-select:focus {
    background-color: var(--bg-card);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    transform: translateY(-1px);
}

/* --- TABLES: FLOATING ROWS --- */
.table {
    border-collapse: separate;
    border-spacing: 0 0.8rem;
}
.table thead th {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding-left: 1.5rem;
}
.table tbody tr {
    background-color: var(--bg-card);
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: var(--transition-fast);
    border-radius: 12px;
}
/* This trick rounds the tr corners visually */
.table tbody tr td:first-child { border-top-left-radius: 12px; border-bottom-left-radius: 12px; }
.table tbody tr td:last-child { border-top-right-radius: 12px; border-bottom-right-radius: 12px; }
.table tbody tr td { border: none; padding: 1rem 1.5rem; vertical-align: middle; }

.table tbody tr:hover {
    transform: scale(1.01);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    background-color: var(--bg-card); /* Ensure bg persists */
    z-index: 10;
    position: relative;
    cursor: pointer;
}

/* --- BADGES --- */
.badge {
    padding: 0.6em 1em;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* --- DASHBOARD STATS WIDGETS --- */
.stats-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 1.8rem;
    transition: var(--transition-smooth);
}
.card:hover .stats-icon {
    transform: rotate(10deg) scale(1.1);
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* --- UTILS --- */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}