/* =========================================================
   SafeSphere HSE Platform — Design System
   Premium industrial safety theme with glassmorphism
   ========================================================= */

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

/* ---- CSS Variables ---- */
:root {
    /* Primary Brand */
    --primary: #0f4c81;
    --primary-light: #1a6baa;
    --primary-dark: #0a3560;
    --primary-50: rgba(15, 76, 129, 0.08);

    /* Accent */
    --accent: #00c9a7;
    --accent-light: #33d4b7;
    --accent-dark: #00a88c;

    /* Safety Colors */
    --danger: #e74c3c;
    --danger-light: #fce4ec;
    --warning: #f39c12;
    --warning-light: #fff8e1;
    --success: #27ae60;
    --success-light: #e8f5e9;
    --info: #3498db;
    --info-light: #e3f2fd;

    /* Severity */
    --severity-low: #27ae60;
    --severity-medium: #f39c12;
    --severity-high: #e67e22;
    --severity-critical: #e74c3c;
    --severity-extreme: #8e44ad;

    /* Neutrals */
    --bg: #0f1923;
    --bg-card: #162435;
    --bg-card-hover: #1c2e42;
    --bg-sidebar: #0c1520;
    --bg-input: #1a2d3f;
    --bg-modal: rgba(0, 0, 0, 0.7);
    --border: #243447;
    --border-light: #2d4156;
    --text: #e8edf2;
    --text-secondary: #8fa3b8;
    --text-muted: #5a7186;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;

    /* Shadows */
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --glow-primary: 0 0 20px rgba(15, 76, 129, 0.3);
    --glow-accent: 0 0 20px rgba(0, 201, 167, 0.3);

    /* Transitions */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

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

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--accent-light);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

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

/* =========================================================
   LOGIN PAGE
   ========================================================= */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a1628 0%, #0f2847 50%, #0a1628 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 201, 167, 0.08) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(15, 76, 129, 0.12) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
}

.login-card {
    background: rgba(22, 36, 53, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo h1 {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.login-error {
    background: var(--danger-light);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.85rem;
    display: none;
    border-left: 3px solid var(--danger);
}

.login-error.active {
    display: block;
    animation: shake 0.4s ease;
}

/* =========================================================
   FORM ELEMENTS
   ========================================================= */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 201, 167, 0.15);
}

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

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='%238fa3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

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

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

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(15, 76, 129, 0.4);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #0a1628;
    box-shadow: var(--glow-accent);
}

.btn-accent:hover {
    box-shadow: 0 0 30px rgba(0, 201, 167, 0.4);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: #1a1a1a;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

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

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 8px;
    min-width: 36px;
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* =========================================================
   APP LAYOUT
   ========================================================= */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
    overflow-y: auto;
}

.sidebar-brand {
    padding: 20px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), var(--info));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    color: white;
}

.sidebar-brand h2 {
    font-size: 1.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-brand small {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 400;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
}

.nav-section {
    padding: 8px 20px 4px;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
    position: relative;
}

.nav-item:hover {
    background: var(--primary-50);
    color: var(--text);
}

.nav-item.active {
    background: var(--primary-50);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 600;
}

.nav-item .nav-icon {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.nav-item .nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 0.7rem;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 700;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user .user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: white;
}

.sidebar-user .user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user .user-name {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user .user-role {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ---- Main Content Area ---- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ---- Top Header ---- */
.top-header {
    height: var(--header-height);
    background: rgba(22, 36, 53, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-left h1 {
    font-size: 1.3rem;
    font-weight: 700;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb span {
    color: var(--text);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition-fast);
    position: relative;
}

.header-btn:hover {
    background: var(--primary-50);
    color: var(--text);
}

.header-btn .badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--danger);
    color: white;
    font-size: 0.6rem;
    padding: 1px 5px;
    border-radius: 10px;
    font-weight: 700;
}

/* ---- Page Content ---- */
.page-content {
    flex: 1;
    padding: 28px;
}

/* =========================================================
   CARDS
   ========================================================= */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

/* ---- KPI Cards ---- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--info));
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--border-light);
}

.kpi-card.danger::before {
    background: linear-gradient(90deg, var(--danger), var(--warning));
}

.kpi-card.warning::before {
    background: linear-gradient(90deg, var(--warning), #f1c40f);
}

.kpi-card.success::before {
    background: linear-gradient(90deg, var(--success), var(--accent));
}

.kpi-card .kpi-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.kpi-card .kpi-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 4px;
}

.kpi-card .kpi-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-card .kpi-change {
    font-size: 0.75rem;
    margin-top: 8px;
    font-weight: 600;
}

.kpi-card .kpi-change.up {
    color: var(--danger);
}

.kpi-card .kpi-change.down {
    color: var(--success);
}

/* =========================================================
   DATA TABLE
   ========================================================= */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
}

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

.data-table th {
    background: rgba(15, 76, 129, 0.2);
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    color: var(--text-secondary);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--primary-50);
}

.data-table tbody tr:hover td {
    color: var(--text);
}

/* ---- Status Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success {
    background: rgba(39, 174, 96, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(231, 76, 60, 0.15);
    color: var(--danger);
}

.badge-warning {
    background: rgba(243, 156, 18, 0.15);
    color: var(--warning);
}

.badge-info {
    background: rgba(52, 152, 219, 0.15);
    color: var(--info);
}

.badge-muted {
    background: rgba(90, 113, 134, 0.15);
    color: var(--text-muted);
}

.badge-primary {
    background: rgba(15, 76, 129, 0.2);
    color: var(--primary-light);
}

.badge-accent {
    background: rgba(0, 201, 167, 0.15);
    color: var(--accent);
}

.badge-severity-low {
    background: rgba(39, 174, 96, 0.15);
    color: var(--severity-low);
}

.badge-severity-medium {
    background: rgba(243, 156, 18, 0.15);
    color: var(--severity-medium);
}

.badge-severity-high {
    background: rgba(230, 126, 34, 0.15);
    color: var(--severity-high);
}

.badge-severity-critical {
    background: rgba(231, 76, 60, 0.15);
    color: var(--severity-critical);
}

.badge-severity-extreme {
    background: rgba(142, 68, 173, 0.15);
    color: var(--severity-extreme);
}

/* =========================================================
   MODAL
   ========================================================= */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--bg-modal);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 640px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: var(--transition);
}

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

.modal-lg {
    max-width: 900px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* =========================================================
   RISK MATRIX
   ========================================================= */
.risk-matrix {
    display: grid;
    grid-template-columns: auto repeat(5, 1fr);
    gap: 2px;
    max-width: 500px;
}

.risk-matrix .rm-header {
    font-size: 0.7rem;
    font-weight: 700;
    text-align: center;
    padding: 8px 4px;
    color: var(--text-secondary);
}

.risk-matrix .rm-label {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 8px;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.risk-matrix .rm-cell {
    padding: 12px 8px;
    text-align: center;
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.risk-matrix .rm-cell:hover {
    transform: scale(1.05);
}

.rm-low {
    background: rgba(39, 174, 96, 0.2);
    color: var(--success);
}

.rm-medium {
    background: rgba(243, 156, 18, 0.2);
    color: var(--warning);
}

.rm-high {
    background: rgba(230, 126, 34, 0.2);
    color: var(--severity-high);
}

.rm-extreme {
    background: rgba(231, 76, 60, 0.2);
    color: var(--danger);
}

/* =========================================================
   PAGINATION
   ========================================================= */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pagination .page-info {}

.pagination .page-btns {
    display: flex;
    gap: 4px;
}

.pagination .page-btn {
    padding: 6px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pagination .page-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.pagination .page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination .page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* =========================================================
   FILTERS BAR
   ========================================================= */
.filters-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filters-bar .form-control {
    padding: 8px 14px;
    font-size: 0.85rem;
    max-width: 200px;
}

.filters-bar .search-input {
    max-width: 280px;
}

/* =========================================================
   EMPTY STATE
   ========================================================= */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.88rem;
    max-width: 400px;
    margin: 0 auto 20px;
}

/* =========================================================
   LOADING
   ========================================================= */
.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 12px;
    color: var(--text-secondary);
}

/* =========================================================
   TOAST
   ========================================================= */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    min-width: 280px;
    max-width: 400px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
}

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

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

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

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

/* =========================================================
   DETAIL VIEW
   ========================================================= */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-field label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 4px;
}

.detail-field .value {
    font-size: 0.92rem;
    color: var(--text);
    word-break: break-word;
}

.detail-field.full-width {
    grid-column: 1 / -1;
}

/* =========================================================
   TABS
   ========================================================= */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition-fast);
}

.tab:hover {
    color: var(--text);
}

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* =========================================================
   CHARTS CONTAINER
   ========================================================= */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.chart-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text);
}

.chart-canvas-container {
    height: 280px;
    position: relative;
}

/* =========================================================
   TIMELINE
   ========================================================= */
.timeline {
    position: relative;
    padding-left: 28px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -24px;
    top: 4px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    border: 2px solid var(--bg-card);
}

.timeline-item .tl-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.timeline-item .tl-content {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .kpi-grid {
        grid-template-columns: 1fr 1fr;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        width: 95%;
    }
}

/* =========================================================
   ANIMATIONS
   ========================================================= */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.4s ease;
}

.slide-up {
    animation: slideUp 0.4s ease;
}

/* ---- Overdue highlight ---- */
.overdue {
    color: var(--danger) !important;
    font-weight: 600;
}

.expiring {
    color: var(--warning) !important;
}