/* ============================================
   ระบบแจ้งเตือนต่ออายุใบอนุญาต
   กองสาธารณสุข เทศบาลเมืองนาสาร
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #1a5276;
    --primary-light: #2980b9;
    --primary-dark: #0e2f44;
    --accent: #e67e22;
    --accent-light: #f39c12;
    --success: #27ae60;
    --success-light: #2ecc71;
    --warning: #f39c12;
    --warning-light: #f1c40f;
    --danger: #c0392b;
    --danger-light: #e74c3c;
    --info: #2980b9;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #868e96;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
    --sidebar-width: 260px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Sarabun', 'TH Sarabun New', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
}

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

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    padding: 20px;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 30px;
    text-align: center;
}

.login-header .logo-icon {
    width: 70px;
    height: 70px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 32px;
}

.login-header h1 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.login-header p {
    font-size: 14px;
    opacity: 0.85;
}

.login-body {
    padding: 30px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--gray-700);
    font-size: 15px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
    color: var(--gray-800);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(41,128,185,0.15);
}

.form-control::placeholder {
    color: var(--gray-400);
}

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='%23495057' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

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

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); color: var(--white); }
.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: var(--success-light); color: var(--white); }
.btn-warning { background: var(--warning); color: var(--white); }
.btn-warning:hover { background: var(--warning-light); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: var(--danger-light); color: var(--white); }
.btn-secondary { background: var(--gray-500); color: var(--white); }
.btn-secondary:hover { background: var(--gray-600); color: var(--white); }
.btn-outline { background: transparent; border: 2px solid var(--gray-300); color: var(--gray-700); }
.btn-outline:hover { border-color: var(--primary-light); color: var(--primary-light); }
.btn-sm { padding: 6px 12px; font-size: 14px; }
.btn-lg { padding: 12px 28px; font-size: 18px; }
.btn-block { display: flex; width: 100%; }
.btn-icon { padding: 8px; min-width: 36px; }

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--white);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header .org-logo {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-size: 24px;
}

.sidebar-header h2 {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
}

.sidebar-header small {
    font-size: 12px;
    opacity: 0.7;
}

.sidebar-nav {
    padding: 15px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border-left-color: var(--accent);
}

.nav-item .nav-icon {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 10px 20px;
}

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    position: absolute;
    bottom: 0;
    width: 100%;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.user-name { font-size: 14px; font-weight: 600; }
.user-role { font-size: 12px; opacity: 0.7; }

/* Main content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 30px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
}

.page-subtitle {
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 2px;
}

/* ============================================
   CARDS & STATS
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.card-header h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--gray-800);
}

.card-body {
    padding: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

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

.stat-card.total { border-left-color: var(--info); }
.stat-card.active { border-left-color: var(--success); }
.stat-card.expiring { border-left-color: var(--warning); }
.stat-card.expired { border-left-color: var(--danger); }

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-card.total .stat-icon { background: rgba(41,128,185,0.1); color: var(--info); }
.stat-card.active .stat-icon { background: rgba(39,174,96,0.1); color: var(--success); }
.stat-card.expiring .stat-icon { background: rgba(243,156,18,0.1); color: var(--warning); }
.stat-card.expired .stat-icon { background: rgba(192,57,43,0.1); color: var(--danger); }

.stat-info h4 { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-info p { font-size: 14px; color: var(--gray-600); margin-top: 4px; }

/* ============================================
   TABLE
   ============================================ */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.data-table th {
    background: var(--primary);
    color: var(--white);
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
    font-size: 14px;
}

.data-table th:first-child { border-radius: var(--radius) 0 0 0; }
.data-table th:last-child { border-radius: 0 var(--radius) 0 0; }

.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

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

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: rgba(39,174,96,0.12); color: var(--success); }
.badge-warning { background: rgba(243,156,18,0.12); color: #b7791f; }
.badge-danger { background: rgba(192,57,43,0.12); color: var(--danger); }
.badge-secondary { background: var(--gray-200); color: var(--gray-600); }
.badge-dark { background: rgba(52,58,64,0.15); color: var(--gray-800); }
.badge-info { background: rgba(41,128,185,0.12); color: var(--info); }
.badge-primary { background: rgba(26,82,118,0.12); color: var(--primary); }

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

.filter-bar .form-control {
    max-width: 250px;
}

.search-input {
    position: relative;
}

.search-input input {
    padding-left: 38px;
}

.search-input .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    background: var(--white);
}

.pagination a:hover {
    background: var(--primary-light);
    color: var(--white);
    border-color: var(--primary-light);
}

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

.pagination .disabled {
    opacity: 0.4;
    pointer-events: none;
}

.pagination-info {
    text-align: center;
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 8px;
}

/* ============================================
   MODAL / POPUP
   ============================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.modal-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 480px;
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(-10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-500);
    padding: 0 4px;
}

.modal-close:hover { color: var(--gray-800); }

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ============================================
   ALERT / TOAST
   ============================================ */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius);
    color: var(--white);
    font-weight: 500;
    min-width: 300px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--accent); }
.toast-info { background: var(--info); }

.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: rgba(39,174,96,0.1); color: var(--success); border: 1px solid rgba(39,174,96,0.2); }
.alert-danger { background: rgba(192,57,43,0.1); color: var(--danger); border: 1px solid rgba(192,57,43,0.2); }
.alert-warning { background: rgba(243,156,18,0.1); color: #b7791f; border: 1px solid rgba(243,156,18,0.2); }
.alert-info { background: rgba(41,128,185,0.1); color: var(--info); border: 1px solid rgba(41,128,185,0.2); }

/* ============================================
   FORM LAYOUT
   ============================================ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

/* ============================================
   CHART CONTAINER
   ============================================ */
.chart-container {
    position: relative;
    height: 300px;
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--gray-500);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.empty-state h4 { font-size: 18px; margin-bottom: 8px; color: var(--gray-700); }
.empty-state p { font-size: 14px; }

/* ============================================
   ACTION BUTTONS
   ============================================ */
.action-btns {
    display: flex;
    gap: 6px;
}

/* ============================================
   DUPLICATE TABLE HIGHLIGHT
   ============================================ */
.highlight-row {
    background: rgba(243,156,18,0.05) !important;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 20px 15px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .filter-bar .form-control {
        max-width: 100%;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
}

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

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-600); }
.text-small { font-size: 13px; }
.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; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }

/* Mobile toggle */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 20px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-toggle { display: block; }
}