/* assets/css/style.css */
:root {
    --sidebar-width: 250px;
    --header-height: 60px;
}

body {
    font-family: 'Inter', sans-serif;
    background: #f8f9fa;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: #1e293b;
    color: #fff;
    z-index: 1000;
    transition: transform 0.3s;
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

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

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: #334155;
    color: #fff;
}

.sidebar-menu i {
    width: 20px;
    text-align: center;
}

/* Main content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s;
}

.main-content.expanded {
    margin-left: 0;
}

/* Header */
.top-header {
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 999;
}

/* Cards */
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

.table th {
    font-weight: 600;
    background: #f8fafc;
    border-color: #e2e8f0;
}

.table td {
    vertical-align: middle;
    border-color: #e2e8f0;
}

/* Forms */
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Buttons */
.btn-primary {
    background: #3b82f6;
    border-color: #3b82f6;
}

.btn-primary:hover {
    background: #2563eb;
    border-color: #2563eb;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* Status badges */
.badge {
    padding: 0.35em 0.65em;
    font-weight: 500;
    border-radius: 4px;
}

.badge-success { background: #10b981; color: #fff; }
.badge-warning { background: #f59e0b; color: #fff; }
.badge-danger { background: #ef4444; color: #fff; }
.badge-secondary { background: #64748b; color: #fff; }

/* Modals */
.modal-content {
    border: none;
    border-radius: 12px;
}

.modal-header {
    border-bottom: 1px solid #e2e8f0;
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #e2e8f0;
    padding: 1rem 1.5rem;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
}

.toast {
    background: #fff;
    border-left: 4px solid #3b82f6;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 1rem 1.5rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

.toast.success { border-left-color: #10b981; }
.toast.error { border-left-color: #ef4444; }
.toast.warning { border-left-color: #f59e0b; }

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

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #e2e8f0;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #64748b;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
}