/* ==========================================================================
   iLesso Admin Panel — UI Components (components.css)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. BUTTONS System
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(243, 169, 70, 0.2);
}

.btn-primary:hover {
    background-color: #f19d2b;
    box-shadow: 0 6px 16px rgba(243, 169, 70, 0.35);
}

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

.btn-secondary:hover {
    background-color: var(--color-bg-main);
    border-color: var(--color-text-muted);
}

.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: #dc2626;
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.35);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

/* --------------------------------------------------------------------------
   2. SYSTEM ALERTS Banners
   -------------------------------------------------------------------------- */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.02);
    animation: fadeIn var(--transition-normal);
}

.alert-content {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex: 1;
}

.alert-content svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    align-self: center;
}

.alert-content span {
    font-size: 0.925rem;
    font-weight: 500;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.04);
}

.alert-success {
    background-color: #ecfdf5;
    border-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.04);
}

.alert-warning {
    background-color: var(--color-creme);
    border-color: rgba(245, 158, 11, 0.2);
    color: #b45309; /* Deep warning brown-amber for premium contrast */
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.05);
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    opacity: 0.5;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    padding: 0.25rem;
    line-height: 1;
}

.alert-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* --------------------------------------------------------------------------
   3. SYSTEM MODAL Popup
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(18, 41, 55, 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: var(--transition-normal);
    overflow: hidden;
}

.modal-overlay.active .modal-container {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-body {
    padding: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.modal-footer {
    padding: 1rem 1.5rem;
    background-color: var(--color-bg-main);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* --------------------------------------------------------------------------
   4. SYSTEM PAGINATION Premium Navigation
   -------------------------------------------------------------------------- */
.pagination-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-card);
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-summary {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.pagination-summary span {
    font-weight: 600;
    color: var(--color-secondary);
}

.pagination-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-fast);
}

.pagination-btn svg {
    width: 16px;
    height: 16px;
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background-color: var(--color-bg-main);
    border-color: var(--color-text-muted);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.pagination-btn.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary);
    font-weight: 600;
    box-shadow: 0 4px 10px rgba(243, 169, 70, 0.25);
    cursor: default;
}

.pagination-btn.disabled {
    opacity: 0.5;
    background-color: var(--color-bg-main);
    border-color: var(--color-border);
    color: var(--color-text-muted);
    cursor: not-allowed;
    pointer-events: none;
}

@media (max-width: 576px) {
    .pagination-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .modal-container {
        width: calc(100% - 2rem);
        margin: 1rem;
    }
}