:root {
    --primary: #00d100;
    --primary-hover: #008a00;
    --secondary: #00d100;
    --accent: #008a00;
    --danger: #ef4444;
    --sidebar-width: 260px;

    /* Dark Theme Defaults */
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
    --glass: rgba(30, 41, 59, 0.7);
}

[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --glass: rgba(255, 255, 255, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 10px;
}

/* Layout */
.admin-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-card);
    border-right: 1px solid var(--border);
    position: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem 1.5rem 2.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.brand-text {
    height: 32px; /* Increased size since it's now the sole branding element */
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.sidebar-brand:hover {
    opacity: 0.9;
}

.sidebar-nav {
    flex: 1;
    padding: 0 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.2rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.nav-item i {
    margin-right: 1rem;
    font-size: 1.2rem;
}

.nav-item:hover, .nav-item.active {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--glass);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border);
}

.user-profile img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
}

/* Dashboard Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (max-width: 1400px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1100px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 800px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background-color: var(--bg-card);
    padding: 1rem;
    border-radius: 15px;
    border: 1px solid var(--border);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card .label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 1.4rem;
    font-weight: 700;
}

/* Table Design */
.data-table-container {
    background-color: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border);
    padding: 1.5rem;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

tr:last-child td {
    border-bottom: none;
}

.badge {
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success { background: rgba(0, 209, 0, 0.2); color: var(--primary); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.badge-muted { background: var(--border); color: var(--text-muted); }

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Action Buttons */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    font-size: 1.1rem;
    border: 1px solid transparent;
}

.edit-btn {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-muted);
    border-color: var(--border);
}

.edit-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 209, 0, 0.2);
}

.delete-btn {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.delete-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    min-width: 300px;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text-main);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-left: 5px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    animation: slideInRight 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.toast.error { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--primary); }
.toast.info { border-left-color: #3b82f6; }
.toast.warning { border-left-color: #f59e0b; }

.toast-content {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 500;
}

.toast-close {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.toast-close:hover { opacity: 1; }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { transform: translateX(20px); opacity: 0; }
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 0.8rem 1.2rem;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 209, 0, 0.1);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}