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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #0f172a;
    color: #e2e8f0;
    min-height: 100vh;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.login-box {
    background: #1e293b;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo h1 {
    font-size: 28px;
    color: #22d3ee;
    font-weight: 700;
}

.login-logo span {
    color: #64748b;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #94a3b8;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #334155;
    border-radius: 8px;
    background: #0f172a;
    color: #e2e8f0;
    font-size: 16px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #22d3ee;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #22d3ee);
    color: #0f172a;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(34, 211, 238, 0.3);
}

.error-msg {
    background: #7f1d1d;
    color: #fecaca;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: #1e293b;
    border-right: 1px solid #334155;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #334155;
}

.sidebar-header h1 {
    font-size: 20px;
    color: #22d3ee;
}

.sidebar-header span {
    font-size: 12px;
    color: #64748b;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: #334155;
    color: #e2e8f0;
}

.nav-item.active {
    background: rgba(34, 211, 238, 0.1);
    color: #22d3ee;
    border-left-color: #22d3ee;
}

.nav-item i {
    width: 24px;
    margin-right: 12px;
    font-size: 18px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid #334155;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0ea5e9, #22d3ee);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #0f172a;
}

.user-details {
    flex: 1;
}

.user-details .name {
    font-weight: 600;
    color: #e2e8f0;
}

.user-details .role {
    font-size: 12px;
    color: #64748b;
}

.logout-btn {
    color: #f87171;
    text-decoration: none;
    font-size: 14px;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: #1e293b;
    padding: 16px 30px;
    border-bottom: 1px solid #334155;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header h2 {
    font-size: 24px;
    color: #e2e8f0;
}

.header-actions {
    display: flex;
    gap: 12px;
}

/* Page Content */
.page-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

/* Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #1e293b;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #334155;
}

.stat-card .value {
    font-size: 36px;
    font-weight: 700;
    color: #22d3ee;
}

.stat-card .label {
    color: #94a3b8;
    margin-top: 4px;
}

.card {
    background: #1e293b;
    border-radius: 12px;
    border: 1px solid #334155;
    margin-bottom: 20px;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid #334155;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 18px;
    color: #e2e8f0;
}

.card-body {
    padding: 20px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #334155;
}

.table th {
    color: #94a3b8;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
}

.table tr:hover {
    background: rgba(51, 65, 85, 0.5);
}

/* Footer */
.footer {
    background: #1e293b;
    padding: 16px 30px;
    border-top: 1px solid #334155;
    text-align: center;
    color: #64748b;
    font-size: 14px;
}

/* Status badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}