/* ============================================================
   DYNAMIC & REALTIME CSS ENHANCEMENTS
   Add this to your existing style section or as external CSS
   ============================================================ */

/* ──────────────────────────────────────────────────────────
   KEYFRAME ANIMATIONS
   ────────────────────────────────────────────────────────── */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes countUp {
    from {
        transform: scale(1.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* ──────────────────────────────────────────────────────────
   ENHANCED STAT CARDS
   ────────────────────────────────────────────────────────── */

.stat-card {
    animation: fadeIn 0.4s ease forwards;
    position: relative;
    overflow: hidden;
    opacity: 0;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }
.stat-card:nth-child(5) { animation-delay: 0.5s; }

/* Shimmer overlay effect */
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.6), transparent);
    transition: left 0.5s;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 30px rgba(15,23,42,.12);
    border-color: var(--primary);
}

.stat-icon {
    transition: transform var(--transition);
}

.stat-card:hover .stat-icon {
    transform: scale(1.15) rotate(10deg);
}

.stat-label {
    transition: color var(--transition);
}

.stat-card:hover .stat-label {
    color: var(--primary);
}

.stat-value {
    transition: transform var(--transition);
}

.stat-card:hover .stat-value {
    transform: scale(1.1);
}

.stat-value.updating {
    animation: countUp 0.3s ease;
}

/* ──────────────────────────────────────────────────────────
   ENHANCED TABLES
   ────────────────────────────────────────────────────────── */

.data-table tbody tr {
    animation: slideUp 0.3s ease forwards;
    opacity: 0;
}

.data-table tbody tr:nth-child(1) { animation-delay: 0.05s; }
.data-table tbody tr:nth-child(2) { animation-delay: 0.1s; }
.data-table tbody tr:nth-child(3) { animation-delay: 0.15s; }
.data-table tbody tr:nth-child(4) { animation-delay: 0.2s; }
.data-table tbody tr:nth-child(5) { animation-delay: 0.25s; }
.data-table tbody tr:nth-child(n+6) { animation-delay: 0.3s; }

.data-table tbody tr:hover {
    background: var(--primary-light);
    transform: translateX(4px);
}

/* ──────────────────────────────────────────────────────────
   ENHANCED BUTTONS & ACTIONS
   ────────────────────────────────────────────────────────── */

.btn,
.btn-add,
.action-btn {
    position: relative;
    overflow: hidden;
}

.btn::before,
.btn-add::before,
.action-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.3);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.btn:hover::before,
.btn-add:hover::before,
.action-btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99,102,241,.4);
}

.action-btn:hover {
    transform: translateY(-2px);
}

.action-btn:hover {
    box-shadow: 0 4px 8px rgba(99,102,241,.2);
}

.action-btn.delete:hover {
    box-shadow: 0 4px 8px rgba(239,68,68,.2);
}

.action-btn.manage:hover {
    box-shadow: 0 4px 8px rgba(6,182,212,.2);
}

/* ──────────────────────────────────────────────────────────
   ENHANCED MODALS
   ────────────────────────────────────────────────────────── */

.modal-overlay {
    animation: fadeIn 0.3s ease;
    backdrop-filter: blur(6px);
}

.modal-box {
    animation: slideUp 0.3s ease;
}

.modal-close:hover {
    transform: rotate(90deg);
}

/* ──────────────────────────────────────────────────────────
   FORM ENHANCEMENTS
   ────────────────────────────────────────────────────────── */

.form-group:focus-within label {
    color: var(--primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    transform: translateY(-1px);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    animation: shake 0.3s ease;
}

/* ──────────────────────────────────────────────────────────
   BADGE ANIMATIONS
   ────────────────────────────────────────────────────────── */

.badge {
    transition: all var(--transition);
}

.badge:hover {
    transform: scale(1.05);
}

.badge-count.updating {
    animation: pulse 0.5s ease;
}

/* ──────────────────────────────────────────────────────────
   TAB ENHANCEMENTS
   ────────────────────────────────────────────────────────── */

.tab-btn {
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: all var(--transition);
    transform: translateX(-50%);
}

.tab-btn:hover::after {
    width: 70%;
}

.tab-btn.active {
    transform: translateY(-2px);
}

.tab-btn.active::after {
    display: none;
}

/* ──────────────────────────────────────────────────────────
   REALTIME INDICATOR
   ────────────────────────────────────────────────────────── */

.realtime-indicator {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: .5rem .9rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: .4rem;
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all var(--transition);
}

.realtime-indicator:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.realtime-indicator .pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s ease-in-out infinite;
}

.realtime-indicator.syncing .pulse-dot {
    background: var(--warning);
}

/* ──────────────────────────────────────────────────────────
   REFRESH BUTTON
   ────────────────────────────────────────────────────────── */

.refresh-btn {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    padding: .4rem .65rem;
    border-radius: var(--radius-sm);
    font-size: .8rem;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: .3rem;
}

.refresh-btn:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    transform: translateY(-2px);
}

.refresh-btn.spinning i {
    animation: spin 0.6s linear infinite;
}

/* ──────────────────────────────────────────────────────────
   SEARCH BOX ENHANCEMENTS
   ────────────────────────────────────────────────────────── */

.search-box input:focus {
    box-shadow: 0 0 0 3px rgba(99,102,241,.1);
    transform: translateY(-1px);
}

.search-box i {
    transition: color var(--transition);
}

.search-box input:focus + i {
    color: var(--primary);
}

/* ──────────────────────────────────────────────────────────
   PAGE SHELL ANIMATIONS
   ────────────────────────────────────────────────────────── */

.page-shell {
    animation: fadeIn 0.5s ease;
}

.page-header {
    animation: slideUp 0.5s ease;
}

.page-header h1 .icon-box {
    animation: pulse 2s ease-in-out infinite;
}

.tab-bar {
    animation: slideUp 0.6s ease;
}

.panel {
    animation: fadeIn 0.4s ease;
}

.panel-header {
    background: var(--surface-alt);
}

/* ──────────────────────────────────────────────────────────
   LOADING SKELETON
   ────────────────────────────────────────────────────────── */

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 24px;
    width: 60%;
}

/* ──────────────────────────────────────────────────────────
   MOBILE RESPONSIVENESS
   ────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .realtime-indicator {
        bottom: 1rem;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .realtime-indicator:hover {
        transform: translateX(-50%) scale(1.05);
    }
    
    .stat-card:hover {
        transform: translateY(-2px) scale(1.01);
    }
    
    .data-table tbody tr:hover {
        transform: translateX(2px);
    }
}

/* ──────────────────────────────────────────────────────────
   PERFORMANCE OPTIMIZATIONS
   ────────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ──────────────────────────────────────────────────────────
   CUSTOM SCROLLBAR (Optional)
   ────────────────────────────────────────────────────────── */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface-alt);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ──────────────────────────────────────────────────────────
   PRINT STYLES
   ────────────────────────────────────────────────────────── */

@media print {
    .realtime-indicator,
    .refresh-btn,
    .btn-add,
    .action-btns,
    .modal-overlay {
        display: none !important;
    }
    
    .stat-card,
    .data-table tbody tr {
        animation: none !important;
        opacity: 1 !important;
    }
}