/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #F3F4F6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 150ms;
    border: 1px solid transparent;
    gap: 8px;
    text-decoration: none !important;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent);
    color: #FFFFFF;
}

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

.btn-secondary {
    background: #FFFFFF;
    border-color: var(--border);
    color: #374151;
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-danger {
    background: #FEF2F2;
    color: var(--danger);
    border-color: #FECACA;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
}

.btn-icon:hover {
    background: #F3F4F6;
    color: var(--text-primary);
}

/* Badges */
.badge {
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-flex;
}

.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-error   { background: #FEE2E2; color: #991B1B; }
.badge-info    { background: #EFF6FF; color: #1D4ED8; }
.badge-neutral { background: #F3F4F6; color: #374151; }

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 6px;
}

.input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 150ms;
}

.input::placeholder {
    color: var(--text-muted);
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

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

.table th {
    text-align: left;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 12px 16px;
    height: 48px;
    border-bottom: 1px solid var(--border);
    color: #374151;
}

.table tr:hover td {
    background: var(--bg-secondary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 32px;
    width: 100%;
    max-width: 520px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.96);
    transition: transform 200ms ease-out;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(90deg, #F3F4F6 25%, #E5E7EB 50%, #F3F4F6 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Page Transitions */
.page-enter {
    animation: pageEnter 200ms ease-out forwards;
}

@keyframes pageEnter {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Toast */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 300ms ease-out;
}

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