@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Base Colors */
    --primary: #1E293B; /* Deep Slate */
    --accent: #C5A059;  /* Gold */
    --accent-hover: #A68648;
    --highlight-blue: #3B82F6;
    --highlight-blue-soft: rgba(59, 130, 246, 0.1);
    
    /* Layout Colors */
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-sidebar: #1E293B;
    --bg-input: #FFFFFF;
    
    /* Text Colors */
    --text-main: #0F172A;
    --text-muted: #64748B;
    --text-on-dark: #F1F5F9;
    
    /* UI Elements */
    --border: #E2E8F0;
    --input-border: #E2E8F0;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Spacing & Sizes */
    --sidebar-w: 280px;
    --radius-lg: 1rem;
    --radius-md: 0.75rem;
}

/* Dark Mode Overrides - Support both .dark and .dark-mode */
body.dark, body.dark-mode {
    --bg-main: #0F172A;
    --bg-card: #1E293B;
    --bg-sidebar: #020617;
    --bg-input: #1E293B;
    
    --text-main: #F1F5F9;
    --text-muted: #94A3B8;
    
    --border: #334155;
    --input-border: #334155;
    
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
    font-weight: 800;
    letter-spacing: -0.025em;
}

/* Premium Components */
.premium-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.premium-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--accent);
}

/* Sidebar */
aside#sidebar {
    background-color: var(--bg-sidebar);
    width: var(--sidebar-w);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    border-right: 1px solid var(--border);
    transition: transform 0.4s ease, background-color 0.3s ease;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    margin: 0.25rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.sidebar-link:hover {
    color: var(--accent);
    background: rgba(197, 160, 89, 0.05);
}

.sidebar-link.active {
    color: var(--accent);
    background: rgba(197, 160, 89, 0.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-on-dark);
    border: 1px solid var(--primary);
}

.btn-primary:hover {
    background-color: #334155;
    box-shadow: 0 4px 12px rgba(30, 42, 56, 0.15);
}

.btn-gold {
    background-color: var(--accent);
    color: var(--primary);
    border: 1px solid var(--accent);
}

.btn-gold:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.2);
}

.btn-blue {
    background-color: var(--highlight-blue);
    color: white;
    border: 1px solid var(--highlight-blue);
}

/* Tables */
.premium-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.premium-table thead th {
    background: var(--bg-main);
    padding: 1rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.premium-table tbody td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease;
}

.premium-table tbody tr:hover td {
    background: var(--bg-main);
    opacity: 0.8;
}

/* Forms */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.1);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

/* Badges */
.badge {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-gold { background: rgba(197, 160, 89, 0.1); color: var(--accent); }
.badge-blue { background: var(--highlight-blue-soft); color: var(--highlight-blue); }
.badge-success { background: rgba(34, 197, 94, 0.1); color: #166534; }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: #991B1B; }

/* Utilities */
.text-navy { color: var(--primary); }
.bg-navy { background-color: var(--primary); }
.text-gold { color: var(--accent); }
.bg-gold { background-color: var(--accent); }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeInUp 0.4s ease-out forwards;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Ripple Effect */
.ripple-effect {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}