/* ========================================================
   Renaissance - Reusable Enterprise UI Components
   Buttons, Cards, Forms, Badges, Tables, Modals, Toasts
   ======================================================== */

/* ========================================================
   1. BUTTONS
   ======================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.15rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1.25;
    text-decoration: none;
    user-select: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn:focus-visible {
    outline: 2px solid var(--secondary-500);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-500) 100%);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(79, 70, 229, 0.2), 0 1px 2px rgba(79, 70, 229, 0.15);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--secondary-700) 0%, var(--secondary-600) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
    color: #ffffff;
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--surface-card);
    border-color: var(--slate-200);
    color: var(--slate-700);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--slate-50);
    color: var(--slate-900);
    border-color: var(--slate-300);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    border-color: var(--slate-300);
    color: var(--slate-700);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--slate-100);
    color: var(--slate-900);
    border-color: var(--slate-400);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-accent) 0%, var(--danger-hover) 100%);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(244, 63, 94, 0.25);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(244, 63, 94, 0.35);
    color: #ffffff;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-accent) 0%, var(--success-hover) 100%);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.25);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.35);
    color: #ffffff;
}

.btn-admin {
    background: linear-gradient(135deg, var(--admin-gold) 0%, var(--admin-gold-hover) 100%);
    color: #ffffff;
    box-shadow: 0 2px 6px var(--admin-gold-glow);
}

.btn-admin:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--admin-gold-hover) 0%, var(--admin-gold-dark) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--admin-gold-glow);
    color: #ffffff;
}

.btn-lg {
    padding: 0.85rem 1.6rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 0.38rem 0.75rem;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.btn-block {
    width: 100%;
}

/* ========================================================
   2. CARDS
   ======================================================== */
.card {
    background-color: var(--surface-card);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    border-color: var(--slate-300);
}

.card-header {
    padding: 1.15rem 1.5rem;
    border-bottom: 1px solid var(--slate-150);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
}

.card-header h2, .card-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 700;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--slate-150);
    background-color: var(--slate-50);
}

/* ========================================================
   3. FORM CONTROLS
   ======================================================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--slate-700);
    letter-spacing: -0.01em;
}

.form-control, .form-select {
    width: 100%;
    padding: 0.65rem 0.95rem;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--slate-800);
    background-color: var(--surface-card);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    box-shadow: var(--shadow-xs);
}

.form-control:focus, .form-select:focus {
    border-color: var(--secondary-500);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    background-color: #ffffff;
}

.form-control::placeholder {
    color: var(--slate-400);
    font-weight: 400;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row > * {
    flex: 1;
}

/* ========================================================
   4. BADGES & STATUS PILLS
   ======================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1;
}

.badge-success {
    background-color: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-border);
}

.badge-warning {
    background-color: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid var(--warning-border);
}

.badge-danger {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    border: 1px solid var(--danger-border);
}

.badge-primary {
    background-color: var(--secondary-50);
    color: var(--secondary-700);
    border: 1px solid var(--secondary-200);
}

.badge-pulse {
    position: relative;
    padding-left: 1.5rem;
}

.badge-pulse::before {
    content: '';
    position: absolute;
    left: 0.55rem;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--success-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseRing 1.8s infinite;
}

@keyframes pulseRing {
    0% { transform: translateY(-50%) scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: translateY(-50%) scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: translateY(-50%) scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.225rem 0.7rem;
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1;
}

.status-pill::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.status-active {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-border);
}

.status-active::before {
    background-color: var(--success-accent);
}

.status-inactive {
    background: var(--danger-bg);
    color: var(--danger-text);
    border: 1px solid var(--danger-border);
}

.status-inactive::before {
    background-color: var(--danger-accent);
}

/* Pulsing Dot Indicator */
.pulsing-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success-accent);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 rgba(16, 185, 129, 0.4);
    animation: pulseDot 1.6s infinite;
}

@keyframes pulseDot {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ========================================================
   5. DATA TABLES
   ======================================================== */
.table-container, .table-responsive {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    background-color: var(--surface-card);
}

.card > .card-body > .table-responsive {
    border: none;
    border-radius: 0;
}

.data-table, .table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: left;
    font-size: 0.885rem;
}

.data-table th, .table th {
    background-color: var(--slate-50);
    color: var(--slate-600);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.725rem;
    letter-spacing: 0.06em;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--slate-200);
    white-space: nowrap;
}

.data-table td, .table td {
    padding: 0.95rem 1.25rem;
    border-bottom: 1px solid var(--slate-150);
    color: var(--slate-800);
    vertical-align: middle;
}

.data-table tbody tr, .table tbody tr {
    transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover, .table tbody tr:hover {
    background-color: #f8fafc;
}

.data-table tr.highlight-danger, .table tr.highlight-danger {
    background-color: rgba(254, 242, 242, 0.6);
}

.data-table tr.highlight-danger:hover, .table tr.highlight-danger:hover {
    background-color: rgba(254, 242, 242, 0.9);
}

/* ========================================================
   6. MODAL WINDOWS
   ======================================================== */
.modal-backdrop, .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.modal-backdrop.active, .modal-overlay.active {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
}

.modal-dialog, .modal-container {
    background-color: var(--surface-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--slate-200);
    animation: modalAppear 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateY(0);
}

.modal-dialog.modal-lg {
    max-width: 800px;
}

@keyframes modalAppear {
    from { opacity: 0; transform: scale(0.96) translateY(12px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--slate-150);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-close-btn {
    background: transparent;
    border: none;
    font-size: 1.4rem;
    color: var(--slate-400);
    cursor: pointer;
    line-height: 1;
    border-radius: var(--radius-sm);
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close-btn:hover {
    color: var(--slate-800);
    background-color: var(--slate-100);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--slate-150);
    background-color: var(--slate-50);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ========================================================
   7. TOASTS & ALERTS
   ======================================================== */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    background-color: var(--surface-card);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.885rem;
    min-width: 300px;
    max-width: 440px;
    animation: toastSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--slate-800);
}

.toast-success {
    border-left: 4px solid var(--success-accent);
}

.toast-danger {
    border-left: 4px solid var(--danger-accent);
}

.toast-info {
    border-left: 4px solid var(--secondary-500);
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert {
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.885rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-danger {
    background-color: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger-text);
}

.alert-success {
    background-color: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
}

.alert-warning {
    background-color: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-text);
}