/* ============================================================
   Painel Gnomo ERP — Design System
   Premium dark theme for scrapyard management
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    /* Background */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0d0d14;
    --bg-card: #12121a;
    --bg-card-hover: #16161f;
    --bg-input: #0e0e16;
    --bg-elevated: #1a1a25;
    --bg-modal-overlay: rgba(0, 0, 0, 0.7);

    /* Colors */
    --primary: #10b981;
    --primary-hover: #34d399;
    --primary-light: rgba(16, 185, 129, 0.1);
    --primary-glow: rgba(16, 185, 129, 0.3);
    --secondary: #06b6d4;
    --secondary-hover: #22d3ee;
    --secondary-light: rgba(6, 182, 212, 0.1);
    --accent: #f59e0b;
    --accent-hover: #fbbf24;
    --accent-light: rgba(245, 158, 11, 0.1);

    /* Status */
    --success: #22c55e;
    --success-light: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-hover: #f87171;
    --danger-light: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);
    --info: #3b82f6;
    --info-light: rgba(59, 130, 246, 0.1);

    /* Text */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #0a0a0f;

    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --border-focus: var(--primary);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);

    /* Glass */
    --glass-bg: rgba(18, 18, 26, 0.8);
    --glass-blur: blur(20px);

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Font */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --header-height: 64px;
}

/* ---------- Reset ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}
h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary-color { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-sm { font-size: 0.8125rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
}
.btn:active {
    transform: scale(0.97);
}
.btn i {
    font-size: 0.9em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #059669);
    color: white;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--primary));
    box-shadow: var(--shadow-glow);
    color: white;
}

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

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
    border-color: var(--danger);
}
.btn-danger:hover {
    background: linear-gradient(135deg, var(--danger-hover), var(--danger));
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary-light);
    color: var(--primary-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
    padding: 8px 12px;
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ---------- Forms ---------- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-family);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.form-control::placeholder {
    color: var(--text-muted);
}
.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8.825L.35 3.175l.7-.7L6 7.425l4.95-4.95.7.7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 4px;
}

.input-group {
    display: flex;
    align-items: stretch;
}
.input-group .form-control {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
}

/* Checkbox / Toggle */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.form-check input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-hover);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}
.form-check input[type="checkbox"]:checked {
    background: var(--primary);
    border-color: var(--primary);
}
.form-check input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 11px;
    font-weight: 700;
}

/* Toggle Switch */
.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}
.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}
.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}
.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-base);
}
.toggle input:checked + .toggle-slider {
    background: var(--primary);
    border-color: var(--primary);
}
.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: white;
}

/* ---------- Cards ---------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-base);
}
.card:hover {
    border-color: var(--border-hover);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.card-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
}
.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.card-body {
    /* padding is on .card */
}

/* Glass Card */
.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

/* ---------- Tables ---------- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

tbody td {
    padding: 12px 16px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr {
    transition: background var(--transition-fast);
}
tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}
tbody tr:last-child td {
    border-bottom: none;
}

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}
.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}
.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}
.badge-info {
    background: var(--info-light);
    color: var(--info);
}
.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}
.badge-secondary {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
}

/* ---------- KPI Cards ---------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}
.kpi-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--kpi-color, var(--primary));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.kpi-card .kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 16px;
    background: var(--kpi-bg, var(--primary-light));
    color: var(--kpi-color, var(--primary));
}
.kpi-card .kpi-value {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 4px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.kpi-card .kpi-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
}
.kpi-card .kpi-trend {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }

/* ---------- Alerts / Toast ---------- */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid;
    animation: slideInDown 0.3s ease;
}
.alert-success {
    background: var(--success-light);
    border-color: rgba(34, 197, 94, 0.2);
    color: var(--success);
}
.alert-danger {
    background: var(--danger-light);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}
.alert-warning {
    background: var(--warning-light);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}
.alert-info {
    background: var(--info-light);
    border-color: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

/* Toast notification */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    min-width: 300px;
    max-width: 420px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.4s ease, fadeOut 0.4s ease 4.5s forwards;
    backdrop-filter: var(--glass-blur);
}
.toast i {
    font-size: 1.125rem;
}
.toast-success i { color: var(--success); }
.toast-danger i { color: var(--danger); }
.toast-warning i { color: var(--warning); }
.toast-info i { color: var(--info); }

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-modal-overlay);
    backdrop-filter: blur(4px);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-lg);
}
.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.modal-header h3 {
    font-size: 1.25rem;
}
.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.125rem;
}
.modal-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 24px;
}
.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}
.pagination a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}
.pagination .active {
    background: var(--primary);
    color: white;
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.3;
}
.empty-state h4 {
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.empty-state p {
    font-size: 0.875rem;
    max-width: 400px;
    margin: 0 auto;
}

/* ---------- Loading ---------- */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* ---------- Search Bar ---------- */
.search-bar {
    position: relative;
    max-width: 400px;
}
.search-bar input {
    padding-left: 40px;
}
.search-bar i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ---------- Toolbar ---------- */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}
.toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- Tabs ---------- */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.tab {
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.tab:hover {
    color: var(--text-secondary);
}
.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ---------- Dropdown ---------- */
.dropdown {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
}
.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}
.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* ---------- Utility ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.p-4 { padding: 16px; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.overflow-hidden { overflow: hidden; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------- Animations ---------- */
@keyframes slideInDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(60px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar-left, .toolbar-right { flex-wrap: wrap; }
    .hidden-mobile { display: none !important; }

    /* Date/time inputs - compact on mobile */
    input[type="date"],
    input[type="time"],
    input[type="datetime-local"] {
        font-size: 0.875rem;
        padding: 8px 10px;
        min-height: 42px;
    }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
}