/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Segoe UI", Arial, "Microsoft YaHei", sans-serif;
    background: #f0f2f5;
    color: #333;
    line-height: 1.6;
}
a { color: #1a73e8; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Banner ===== */
.banner {
    background: linear-gradient(135deg, #0d47a1, #1565c0, #1e88e5);
    color: #fff;
    text-align: center;
    padding: 40px 20px 30px;
}
.banner h1 { font-size: 28px; margin-bottom: 6px; letter-spacing: 1px; }
.banner .subtitle { font-size: 16px; opacity: 0.9; }
.banner .date-location { font-size: 44px; margin-top: 8px; opacity: 0.8; }
.banner-logo {
    max-height: 80px;
    width: auto;
    margin-bottom: 12px;
    border-radius: 6px;
}

/* ===== Container ===== */
.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 30px 20px 60px;
}

/* ===== Section ===== */
.section {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    margin-bottom: 24px;
    padding: 28px 32px;
}
.section-title {
    font-size: 18px;
    font-weight: 700;
    color: #0d47a1;
    border-bottom: 2px solid #1565c0;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.section-title span { font-size: 13px; color: #888; font-weight: 400; margin-left: 8px; }

/* ===== Form Elements ===== */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.form-group {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 200px;
}
.form-group.full { flex: 1 1 100%; }
.form-group label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #444;
}
.form-group label .req { color: #e53935; margin-right: 2px; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group select {
    height: 40px;
    padding: 0 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #1565c0;
    box-shadow: 0 0 0 2px rgba(21,101,192,0.12);
}
.form-group input.field-error,
.form-group select.field-error {
    border: 2px solid #e53935;
    background: #fff5f5;
    box-shadow: 0 0 0 2px rgba(229,57,53,0.1);
}

/* ===== Visitor Table ===== */
.visitor-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}
.visitor-table th {
    background: #e3f2fd;
    color: #0d47a1;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 8px;
    border: 1px solid #bbdefb;
    text-align: left;
}
.visitor-table td {
    padding: 8px 8px;
    border: 1px solid #ddd;
    vertical-align: middle;
}
.visitor-table td .no-cell {
    text-align: center;
    font-weight: 700;
    color: #1565c0;
    width: 40px;
}
.visitor-table input[type="text"],
.visitor-table input[type="email"] {
    width: 100%;
    height: 36px;
    padding: 0 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 13px;
}
.visitor-table input:focus {
    outline: none;
    border-color: #1565c0;
}
.btn-del-visitor {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    padding: 6px 12px;
    transition: background 0.2s;
    white-space: nowrap;
}
.btn-del-visitor:hover {
    background: #ffcdd2;
}
.btn-add-visitor {
    margin-top: 10px;
    background: #e3f2fd;
    color: #1565c0;
    border: 1px dashed #90caf9;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
    transition: background 0.2s;
}
.btn-add-visitor:hover { background: #bbdefb; }

/* ===== Checkbox / Radio Groups ===== */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 28px;
    margin-top: 8px;
}
.checkbox-group label,
.radio-group label {
    font-size: 14px;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 0;
}
.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    width: 17px;
    height: 17px;
    accent-color: #1565c0;
    flex-shrink: 0;
}

/* ===== Business Info Frames & Grid ===== */
.biz-frame {
    border: 1px solid #d0d7e2;
    border-radius: 6px;
    padding: 18px 20px 14px;
    margin-bottom: 18px;
}
.biz-frame h4 {
    font-size: 15px;
    color: #0d47a1;
    margin-bottom: 10px;
    font-weight: 600;
}
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px 10px;
    margin-top: 4px;
}
.checkbox-grid label {
    font-size: 13px;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 5px 4px;
    border-radius: 4px;
    transition: background 0.15s;
    white-space: normal;
}
.checkbox-grid label:hover {
    background: #f0f4fa;
}
.checkbox-grid input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #1565c0;
    flex-shrink: 0;
}

/* ===== Attendance Table ===== */
.attendance-table {
    width: 100%;
    max-width: 500px;
    border-collapse: collapse;
    margin-top: 10px;
}
.attendance-table th, .attendance-table td {
    border: 1px solid #ddd;
    padding: 10px 12px;
    font-size: 14px;
    text-align: center;
}
.attendance-table th {
    background: #e3f2fd;
    color: #0d47a1;
    font-weight: 600;
}
.attendance-table td:first-child { text-align: left; }

/* ===== Show Services ===== */
.service-block {
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 16px 20px;
    margin-bottom: 14px;
}
.service-block h4 {
    font-size: 15px;
    color: #0d47a1;
    margin-bottom: 8px;
}
.service-block .service-desc {
    font-size: 13px;
    color: #666;
    margin-bottom: 6px;
}

/* ===== Fee Table ===== */
.fee-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}
.fee-table th, .fee-table td {
    border: 1px solid #ddd;
    padding: 12px 16px;
    font-size: 14px;
    text-align: left;
}
.fee-table th {
    background: #e3f2fd;
    color: #0d47a1;
    font-weight: 600;
}
.fee-table .highlight { font-weight: 700; color: #e53935; }
.fee-table .free { font-weight: 700; color: #2e7d32; }

/* ===== Admin Fee Section ===== */
.admin-fee-note {
    font-size: 13px;
    color: #666;
    margin-top: 8px;
    padding: 10px 14px;
    background: #fafafa;
    border-radius: 5px;
    border-left: 3px solid #1565c0;
}

/* ===== Buttons ===== */
.btn-row {
    text-align: center;
    margin-top: 10px;
    display: flex;
    gap: 16px;
    justify-content: center;
}
.btn {
    display: inline-block;
    padding: 12px 48px;
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-submit {
    background: #1565c0;
    color: #fff;
}
.btn-submit:hover { background: #0d47a1; }
.btn-cancel {
    background: #e0e0e0;
    color: #555;
}
.btn-cancel:hover { background: #bdbdbd; }

/* ===== Modal ===== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    max-width: 480px;
    width: 90%;
    overflow: hidden;
    animation: modalIn 0.25s ease;
}
@keyframes modalIn {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.modal-header {
    padding: 20px 24px 12px;
    font-size: 20px;
    font-weight: 700;
    color: #0d47a1;
    border-bottom: 1px solid #eee;
}
.modal-header.error { color: #e53935; }
.modal-header.warning { color: #f57c00; }
.modal-header.success { color: #2e7d32; }
.modal-body {
    padding: 20px 24px;
    font-size: 14px;
    line-height: 1.8;
    color: #555;
}
.modal-footer {
    padding: 12px 24px 20px;
    text-align: center;
}
.modal-footer .btn {
    padding: 10px 40px;
    font-size: 14px;
}

/* ===== Captcha ===== */
.captcha-display {
    display: inline-block;
    padding: 10px 24px;
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 8px;
    color: #0d47a1;
    background: #e3f2fd;
    border: 2px dashed #1565c0;
    border-radius: 8px;
    font-family: 'Courier New', Courier, monospace;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}
.btn-captcha-refresh {
    background: #f5f5f5;
    color: #1565c0;
    border: 1px solid #ccc;
    padding: 8px 16px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
}
.btn-captcha-refresh:hover {
    background: #e0e0e0;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .section { padding: 18px 16px; }
    .form-row { flex-direction: column; gap: 12px; }
    .form-group { min-width: 100%; }
    .banner h1 { font-size: 22px; }
    .btn { padding: 10px 30px; font-size: 14px; }
    .admin-table { font-size: 12px; }
    .admin-header-inner { flex-direction: column; gap: 8px; }
    .checkbox-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   ADMIN MANAGEMENT SYSTEM STYLES
   ============================================= */

/* ===== Admin Login ===== */
.admin-login-wrap {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #0d47a1, #1565c0, #42a5f5);
}
.admin-login-box {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.2);
    width: 400px;
    max-width: 92%;
    padding: 36px 32px 28px;
}
.admin-login-header {
    text-align: center;
    margin-bottom: 28px;
}
.admin-login-header h2 {
    color: #0d47a1;
    font-size: 22px;
    margin-bottom: 4px;
}
.admin-login-header p {
    color: #888;
    font-size: 14px;
}
.admin-form-group {
    margin-bottom: 18px;
}
.admin-form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #444;
    margin-bottom: 6px;
}
.admin-form-group input {
    width: 100%;
    height: 42px;
    padding: 0 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}
.admin-form-group input:focus {
    outline: none;
    border-color: #1565c0;
    box-shadow: 0 0 0 2px rgba(21,101,192,0.12);
}
.admin-error {
    background: #ffebee;
    color: #c62828;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
    border-left: 3px solid #e53935;
}
.admin-login-btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}
.admin-login-footer {
    text-align: center;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid #eee;
}
.admin-login-footer a {
    color: #1565c0;
    font-size: 13px;
}

/* ===== Admin Header ===== */
.admin-header {
    background: #1a237e;
    color: #fff;
    padding: 0 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}
.admin-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}
.admin-brand {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.admin-brand span {
    background: #e53935;
    color: #fff;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 3px;
    margin-left: 8px;
    font-weight: 600;
    vertical-align: middle;
}
.admin-user {
    font-size: 13px;
    opacity: 0.9;
}
.admin-user a {
    color: #bbdefb;
}
.admin-user a:hover {
    color: #fff;
}

/* ===== Admin Container ===== */
.admin-container {
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 20px 60px;
}

/* ===== Stats Bar ===== */
.admin-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}
.admin-stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 18px 24px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    flex: 1;
    border-left: 4px solid #1565c0;
}
.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: #1565c0;
}
.stat-label {
    font-size: 13px;
    color: #888;
    margin-top: 2px;
}

/* ===== Toolbar / Search ===== */
.admin-toolbar {
    background: #fff;
    border-radius: 8px;
    padding: 16px 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    margin-bottom: 16px;
}
.admin-search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}
.admin-search-input {
    flex: 1;
    height: 40px;
    padding: 0 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}
.admin-search-input:focus {
    outline: none;
    border-color: #1565c0;
    box-shadow: 0 0 0 2px rgba(21,101,192,0.1);
}
.admin-search-btn {
    padding: 10px 24px;
    font-size: 14px;
    white-space: nowrap;
}
.admin-clear-search {
    font-size: 13px;
    color: #888;
    white-space: nowrap;
}
.admin-clear-search:hover {
    color: #e53935;
}

/* ===== Admin Table ===== */
.admin-table-wrap {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    overflow-x: auto;
    margin-bottom: 16px;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
}
.admin-table th {
    background: #e8eaf6;
    color: #1a237e;
    font-size: 13px;
    font-weight: 600;
    padding: 12px 14px;
    text-align: left;
    border-bottom: 2px solid #c5cae9;
    white-space: nowrap;
}
.admin-table td {
    padding: 11px 14px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 13px;
    vertical-align: middle;
}
.admin-table tbody tr:hover {
    background: #f5f5f5;
}
.admin-table small {
    font-size: 11px;
}

/* ===== Action Buttons ===== */
.admin-btn {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s;
    margin-right: 4px;
}
.admin-btn-view {
    background: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}
.admin-btn-view:hover {
    background: #bbdefb;
}
.admin-btn-del {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}
.admin-btn-del:hover {
    background: #ffcdd2;
}
.admin-btn-restore {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #81c784;
}
.admin-btn-restore:hover {
    background: #c8e6c9;
}

/* ===== Filter Toggle ===== */
.admin-filter {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}
.admin-filter-btn {
    display: inline-block;
    padding: 6px 18px;
    font-size: 13px;
    border-radius: 20px;
    text-decoration: none;
    border: 1px solid #ccc;
    color: #555;
    background: #fff;
    transition: all 0.2s;
}
.admin-filter-btn:hover {
    background: #f0f0f0;
    text-decoration: none;
}
.admin-filter-btn.current {
    background: #1565c0;
    color: #fff;
    border-color: #1565c0;
    font-weight: 600;
}
.admin-filter-btn.active {
    background: #fff;
    color: #1565c0;
    border-color: #1565c0;
}

/* ===== Deleted Row Style ===== */
.row-deleted {
    opacity: 0.7;
    background: #fafafa;
}
.row-deleted td {
    text-decoration: line-through;
    color: #999;
}
.row-deleted td:last-child,
.row-deleted td:first-child {
    text-decoration: none;
}

/* ===== Pagination ===== */
.admin-pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.admin-pagination a,
.admin-pagination span {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}
.admin-pagination a {
    background: #fff;
    color: #1565c0;
    border: 1px solid #ddd;
}
.admin-pagination a:hover {
    background: #e3f2fd;
    border-color: #90caf9;
}
.admin-pagination .current {
    background: #1565c0;
    color: #fff;
    border: 1px solid #1565c0;
}
.admin-pagination .disabled {
    color: #ccc;
    border: 1px solid #eee;
    background: #fafafa;
}
.admin-pagination .dots {
    border: none;
    background: none;
    color: #999;
    padding: 8px 4px;
}

/* ===== Export ===== */
.admin-export {
    text-align: right;
    margin-top: 8px;
}
.admin-export-btn {
    padding: 10px 28px;
    font-size: 14px;
}

/* ===== Detail Page ===== */
.admin-detail-nav {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
}
.admin-detail-nav a {
    color: #1565c0;
}
.admin-detail-nav span {
    color: #888;
}
.admin-detail-nav span::before {
    content: "|";
    margin-right: 12px;
    color: #ddd;
}
.admin-detail-section {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    padding: 24px 28px;
    margin-bottom: 20px;
}
.admin-detail-section h3 {
    font-size: 16px;
    color: #1a237e;
    border-bottom: 2px solid #c5cae9;
    padding-bottom: 10px;
    margin-bottom: 16px;
}
.admin-detail-table {
    width: 100%;
    border-collapse: collapse;
}
.admin-detail-table th {
    width: 180px;
    text-align: left;
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    color: #555;
    background: #f8f9fa;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}
.admin-detail-table td {
    padding: 10px 14px;
    font-size: 14px;
    color: #333;
    border-bottom: 1px solid #eee;
}
.admin-detail-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 10px;
}

/* ===== Badges ===== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.badge-yes {
    background: #e8f5e9;
    color: #2e7d32;
}
.badge-no {
    background: #f5f5f5;
    color: #999;
}