/* ===== Premium UI – Prime Pride ===== */
:root {
    --primary: #6366f1;
    --secondary: #ec4899;
    --bg-glass: rgba(255, 255, 255, 0.15);
    --border-glass: rgba(255, 255, 255, 0.25);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --text-color: #1e293b;
    --bg-body: #f8fafc;
    --sidebar-bg: rgba(255, 255, 255, 0.85);
    --navbar-bg: rgba(255, 255, 255, 0.6);
}

[data-bs-theme="dark"] {
    --bg-glass: rgba(17, 25, 40, 0.75);
    --border-glass: rgba(255, 255, 255, 0.125);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --text-color: #f1f5f9;
    --bg-body: #0f172a;
    --sidebar-bg: rgba(15, 23, 42, 0.85);
    --navbar-bg: rgba(15, 23, 42, 0.6);
}

* {
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-color);
    margin: 0;
    overflow-x: hidden;
}

/* Loading Screen */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s;
}
[data-bs-theme="dark"] #loading-overlay {
    background: rgba(15, 23, 42, 0.8);
}
#loading-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(99, 102, 241, 0.3);
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

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

/* Navbar */
.navbar {
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
    padding: 0.5rem 1rem;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 56px; /* navbar height */
    left: 0;
    bottom: 0;
    width: 250px;
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-glass);
    padding: 1rem;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}
.sidebar.collapsed {
    transform: translateX(-100%);
}
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.mobile-open {
        transform: translateX(0);
    }
}

.sidebar .nav-link {
    color: var(--text-color);
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
    font-weight: 500;
}

/* Main content area */
.main-content {
    margin-left: 250px;
    transition: margin-left 0.3s;
}
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }
}
.sidebar.collapsed ~ .main-content {
    margin-left: 0;
}

/* Cards */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 1rem;
    box-shadow: var(--shadow-glass);
    transition: transform 0.2s;
}
.card:hover {
    transform: translateY(-2px);
}

/* Tables */
.table {
    color: var(--text-color);
}
.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.03);
}
[data-bs-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
}
.btn-primary:hover {
    opacity: 0.9;
}

/* Toast container */
.toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 0.75rem;
    color: var(--text-color);
    min-width: 250px;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}