/* ================================================================
   I-TOM - Jampack Inspired Theme
   Primary: #009b94 (teal)
   Clean, modern, professional dashboard
   ================================================================ */

:root {
    --primary: #009b94;
    --primary-dark: #007f79;
    --primary-light: #e0f5f4;
    --primary-rgb: 0, 155, 148;
    --secondary: #6c757d;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1a1a2e;
    --light: #f8f9fa;
    --white: #ffffff;
    --border: #e8e8e8;
    --text: #333333;
    --text-muted: #6c757d;
    --text-light: #999999;
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text);
    background: var(--light);
    overflow-x: hidden;
}

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

/* ====== Layout ====== */
.app-wrapper { display: flex; min-height: 100vh; }

/* ====== Sidebar ====== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-brand {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--border);
    gap: 10px;
}

.sidebar-brand img { height: 32px; }

.sidebar-brand h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.sidebar-brand .toggle-btn {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 18px;
    padding: 4px;
}

.sidebar-section {
    padding: 16px 0 8px 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
}

.sidebar-menu { list-style: none; padding: 4px 12px; }

.sidebar-menu li { margin-bottom: 2px; }

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    border-radius: 6px;
    color: var(--text);
    font-size: 14px;
    font-weight: 400;
    transition: var(--transition);
    gap: 12px;
}

.sidebar-menu a:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.sidebar-menu a.active {
    background: var(--primary);
    color: var(--white);
    font-weight: 500;
}

.sidebar-menu a.active .menu-icon { color: var(--white); }

.menu-icon {
    width: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 16px;
    flex-shrink: 0;
}

.menu-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

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

/* ====== Header ====== */
.header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-search {
    display: flex;
    align-items: center;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 12px;
    width: 280px;
}

.header-search input {
    border: none;
    background: none;
    outline: none;
    font-size: 13px;
    margin-left: 8px;
    width: 100%;
    color: var(--text);
}

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

.header-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
}

.header-icon:hover { background: var(--light); color: var(--primary); }

.header-icon .badge-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 2px solid var(--white);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.header-user:hover { background: var(--light); }

.header-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.header-user-info { line-height: 1.3; }
.header-user-name { font-size: 13px; font-weight: 600; color: var(--text); }
.header-user-role { font-size: 11px; color: var(--text-muted); }

/* ====== Page Content ====== */
.page-content { padding: 24px; flex: 1; }

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
}

.page-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.breadcrumb a { color: var(--primary); }
.breadcrumb .separator { color: var(--text-light); }

/* ====== Cards ====== */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.card-body { padding: 20px; }
.card-footer { padding: 12px 20px; border-top: 1px solid var(--border); }

/* ====== Stat Cards ====== */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 24px; }

.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-icon.primary { background: var(--primary-light); color: var(--primary); }
.stat-icon.success { background: #dcfce7; color: var(--success); }
.stat-icon.warning { background: #fef3c7; color: var(--warning); }
.stat-icon.info { background: #dbeafe; color: var(--info); }
.stat-icon.danger { background: #fee2e2; color: var(--danger); }

.stat-value { font-size: 28px; font-weight: 700; color: var(--text); line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.stat-change {
    font-size: 12px;
    font-weight: 500;
    margin-top: 2px;
}
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ====== Buttons ====== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); color: white; }

.btn-secondary { background: var(--secondary); color: white; }
.btn-secondary:hover { background: #5a6268; color: white; }

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

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

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

.btn-soft-primary { background: var(--primary-light); color: var(--primary); }
.btn-soft-danger { background: #fee2e2; color: var(--danger); }
.btn-soft-success { background: #dcfce7; color: var(--success); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-block { width: 100%; }

/* ====== Tables ====== */
.table-responsive { overflow-x: auto; }

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

.table-advance thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-muted);
    background: var(--light);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.table-advance tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    vertical-align: middle;
}

.table-advance tbody tr:hover { background: #fafbfc; }
.table-advance tbody tr:last-child td { border-bottom: none; }

.table-advance .user-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-advance .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
}

/* ====== Badges ====== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #dcfce7; color: #15803d; }
.badge-danger { background: #fee2e2; color: #dc2626; }
.badge-warning { background: #fef3c7; color: #d97706; }
.badge-info { background: #dbeafe; color: #2563eb; }
.badge-secondary { background: #f1f5f9; color: var(--secondary); }

/* ====== Forms ====== */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-label .required { color: var(--danger); margin-left: 2px; }

.form-control {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1); }
.form-control:disabled { background: var(--light); cursor: not-allowed; }
.form-control.is-invalid { border-color: var(--danger); }

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

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='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.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-text { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

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

.form-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* ====== Alerts ====== */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.alert-danger { background: #fee2e2; color: #dc2626; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #d97706; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #2563eb; border: 1px solid #bfdbfe; }

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: inherit;
    opacity: 0.7;
}

/* ====== Pagination ====== */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 16px 0 0;
}

.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 8px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--text);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.pagination a:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.pagination .active span { background: var(--primary); color: white; border-color: var(--primary); }
.pagination .disabled span { color: var(--text-light); cursor: not-allowed; }

/* ====== Modal ====== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.show { display: flex; }

.modal {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 500px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title { font-size: 16px; font-weight: 600; }

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* ====== Dropdown ====== */
.dropdown { position: relative; }

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    padding: 6px;
    z-index: 150;
    display: none;
}

.dropdown-menu.show { display: block; }

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text);
    border-radius: 4px;
    transition: var(--transition);
}

.dropdown-item:hover { background: var(--light); color: var(--primary); }
.dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ====== Language Switcher ====== */
.lang-switcher {
    display: flex;
    gap: 4px;
}

.lang-switcher a {
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    color: var(--text-muted);
    border: 1px solid transparent;
}

.lang-switcher a.active {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

/* ====== Empty State ====== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state-title { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.empty-state-text { font-size: 14px; margin-bottom: 24px; }

/* ====== Footer ====== */
.footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
}

/* ====== Responsive ====== */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .stat-cards { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
}

@media (max-width: 768px) {
    .page-content { padding: 16px; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .header-search { display: none; }
}

/* ====== Utility ====== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.w-100 { width: 100%; }
.fw-bold { font-weight: 600; }
.fs-sm { font-size: 12px; }