:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --bg-dark: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* Theme Light Override */
[data-theme="light"] {
    --bg-dark: #f1f5f9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(15, 23, 42, 0.12);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ensure bootstrap text classes adapt to theme variables */
.text-white {
    color: var(--text-main) !important;
}
.text-white-50 {
    color: var(--text-muted) !important;
}
.text-muted {
    color: var(--text-muted) !important;
}

/* Glassmorphism utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: background 0.3s ease, border 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="light"] .glass-panel {
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

/* Buttons */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff !important;
    border: none;
    border-radius: 8px;
    padding: 10px 24px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

/* Form Controls */
.form-control-custom {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    border-radius: 8px;
    transition: background 0.3s, border-color 0.3s, color 0.3s;
}

[data-theme="light"] .form-control-custom {
    background: rgba(255, 255, 255, 0.8);
    color: #0f172a;
}

.form-control-custom:focus {
    background: rgba(15, 23, 42, 0.9);
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(16, 185, 129, 0.25);
    color: var(--text-main);
}

[data-theme="light"] .form-control-custom:focus {
    background: #ffffff;
    color: #0f172a;
}

.form-control-custom::placeholder {
    color: var(--text-muted);
}

.form-control-custom option {
    background-color: var(--bg-dark);
    color: var(--text-main);
}

/* Navbar */
.navbar-custom {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.3s ease, border-bottom 0.3s ease;
}

[data-theme="light"] .navbar-custom {
    background: rgba(255, 255, 255, 0.8) !important;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #10b981, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .navbar-dark .nav-link {
    color: #475569 !important;
}

[data-theme="light"] .navbar-dark .nav-link:hover {
    color: var(--primary) !important;
}

/* Tables Adaptability */
[data-theme="light"] .table {
    --bs-table-bg: rgba(255, 255, 255, 0.5) !important;
    --bs-table-color: #0f172a !important;
    --bs-table-hover-bg: rgba(255, 255, 255, 0.8) !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
}

[data-theme="light"] .bg-dark {
    background-color: rgba(255, 255, 255, 0.4) !important;
}

[data-theme="light"] .border-secondary {
    border-color: rgba(15, 23, 42, 0.1) !important;
}

[data-theme="light"] .btn-outline-light {
    color: #475569 !important;
    border-color: rgba(15, 23, 42, 0.2) !important;
}

[data-theme="light"] .btn-outline-light:hover {
    background-color: rgba(15, 23, 42, 0.05) !important;
    color: #0f172a !important;
}

/* Auth Pages */
.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 76px); /* minus navbar */
    padding: 2rem 0;
}

/* Animations */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}