/* ============================================================
   老客户推荐信息管理系统 - NUS 风格样式表
   配色灵感：NUS 深蓝 + 金色点缀
   ============================================================ */

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

:root {
    --nus-navy: #003D7C;
    --nus-navy-light: #1a4a8a;
    --nus-gold: #FDB813;
    --nus-gold-light: #ffe066;
    --nus-bg: #f4f6f9;
    --nus-white: #ffffff;
    --nus-text: #1a1a2e;
    --nus-text-secondary: #555;
    --nus-border: #e2e8f0;
    --nus-accent-blue: #e8f0fa;
    --nus-green: #1a7f37;
    --nus-red: #cc2936;
    --nus-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    --nus-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.1);
    --radius: 10px;
    --radius-sm: 6px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--nus-bg);
    color: var(--nus-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 32px 28px 60px;
}

/* ---------- Header ---------- */
header {
    text-align: center;
    margin-bottom: 36px;
    padding: 40px 32px 36px;
    background: var(--nus-navy);
    border-radius: var(--radius);
    color: white;
    box-shadow: 0 2px 12px rgba(0, 61, 124, 0.25);
    position: relative;
    overflow: hidden;
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--nus-gold);
}

header h1 {
    font-size: 1.7em;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

header p {
    opacity: 0.85;
    font-size: 0.95em;
    font-weight: 400;
}

/* ---------- Card / Section ---------- */
.form-container,
.data-section {
    background: var(--nus-white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--nus-shadow);
    margin-bottom: 28px;
    border: 1px solid var(--nus-border);
}

.section {
    margin-bottom: 28px;
    padding: 24px;
    border: 1px solid var(--nus-border);
    border-radius: var(--radius);
    background: var(--nus-white);
    border-left: 3px solid var(--nus-navy);
}

.section h2 {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--nus-navy);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--nus-accent-blue);
}

/* ---------- Form Rows & Groups ---------- */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    min-width: 240px;
}

.form-group.full-width {
    flex: 100%;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.88em;
    color: var(--nus-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ---------- Inputs ---------- */
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--nus-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--nus-text);
    background: var(--nus-white);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--nus-navy);
    box-shadow: 0 0 0 3px rgba(0, 61, 124, 0.1);
    outline: none;
}

.form-group textarea {
    resize: vertical;
}

/* ---------- Checkbox ---------- */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--nus-navy);
    cursor: pointer;
}

.checkbox-label {
    font-weight: 400 !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    font-size: 14px !important;
    cursor: pointer;
    color: var(--nus-text) !important;
}

/* ---------- File Upload ---------- */
.upload-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.file-input {
    font-size: 13px;
}

.upload-btn {
    padding: 8px 18px;
    background: var(--nus-navy);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s, transform 0.15s;
}

.upload-btn:hover:not(:disabled) {
    background: var(--nus-navy-light);
    transform: translateY(-1px);
}

.upload-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.image-preview {
    margin-top: 10px;
}

.image-preview img {
    max-width: 200px;
    max-height: 150px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--nus-border);
}

/* ---------- Amount Input Group ---------- */
.amount-input-group {
    display: flex;
    gap: 8px;
}

.amount-input-group input {
    flex: 1;
}

.currency-select {
    width: 120px !important;
    min-width: 120px;
}

/* ---------- Custom Country Input ---------- */
.custom-input-container {
    margin-top: 8px;
}

.custom-input {
    width: 100%;
    padding: 8px 12px;
    border: 1.5px solid var(--nus-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

/* ---------- Form Actions (Buttons) ---------- */
.form-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--nus-border);
}

.form-actions button {
    padding: 11px 30px;
    font-size: 14px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s;
}

/* Submit */
.form-actions button[type="submit"] {
    background: var(--nus-navy);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 61, 124, 0.25);
}

.form-actions button[type="submit"]:hover {
    background: var(--nus-navy-light);
    box-shadow: 0 4px 14px rgba(0, 61, 124, 0.35);
    transform: translateY(-1px);
}

/* Reset */
.form-actions button[type="reset"] {
    background: var(--nus-bg);
    color: var(--nus-text-secondary);
    border: 1.5px solid var(--nus-border);
}

.form-actions button[type="reset"]:hover {
    background: #eee;
}

/* Export / Action buttons */
.form-actions button[type="button"] {
    background: var(--nus-green);
    color: white;
    box-shadow: 0 2px 8px rgba(26, 127, 55, 0.25);
}

.form-actions button[type="button"]:hover {
    background: #156b2e;
    transform: translateY(-1px);
}

/* ---------- Data Section Header ---------- */
.data-section {
    margin-top: 0;
}

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

.data-header h2 {
    font-size: 1.15em;
    color: var(--nus-navy);
    font-weight: 700;
}

.data-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.data-controls button {
    padding: 7px 14px;
    font-size: 12.5px;
    border: 1.5px solid var(--nus-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--nus-white);
    color: var(--nus-text-secondary);
    font-weight: 500;
    transition: all 0.15s;
}

.data-controls button:hover {
    border-color: var(--nus-navy);
    color: var(--nus-navy);
    background: var(--nus-accent-blue);
}

#clearAllBtn {
    color: var(--nus-red) !important;
    border-color: #fdd !important;
}

#clearAllBtn:hover {
    background: #fff5f5 !important;
    border-color: var(--nus-red) !important;
}

/* ---------- Empty Data ---------- */
.empty-data {
    text-align: center;
    padding: 48px 20px;
    color: #aaa;
    font-size: 1em;
}

/* ---------- Table ---------- */
.data-table {
    margin-top: 20px;
}

.table-title {
    font-size: 1em;
    font-weight: 700;
    color: var(--nus-navy);
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 3px solid var(--nus-gold);
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--nus-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead {
    background: var(--nus-navy);
    color: white;
}

th {
    padding: 12px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 3px solid var(--nus-gold);
    white-space: nowrap;
}

td {
    padding: 11px 12px;
    border-bottom: 1px solid #f0f2f5;
    vertical-align: middle;
    font-size: 13px;
}

tbody tr {
    transition: background 0.15s;
}

tbody tr:hover {
    background: var(--nus-accent-blue);
}

.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
}

.sort-indicator {
    font-size: 11px;
    opacity: 0.5;
    margin-left: 2px;
}

/* ---------- Action Buttons in Table ---------- */
.action-buttons-cell {
    white-space: nowrap;
}

.view-btn,
.edit-btn,
.delete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    margin-right: 4px;
    transition: background 0.15s, transform 0.1s;
}

.view-btn {
    background: #e8f0fa;
    color: var(--nus-navy);
}

.edit-btn {
    background: #fff8e1;
    color: #b8860b;
}

.delete-btn {
    background: #fff0f0;
    color: var(--nus-red);
}

.view-btn:hover,
.edit-btn:hover,
.delete-btn:hover {
    transform: scale(1.1);
}

/* ---------- Status Badges ---------- */
.commission-paid {
    display: inline-block;
    width: 22px;
    height: 22px;
    background: var(--nus-green);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 22px;
    font-size: 12px;
}

.commission-unpaid {
    display: inline-block;
    width: 22px;
    height: 22px;
    background: #ddd;
    color: #999;
    border-radius: 50%;
    text-align: center;
    line-height: 22px;
    font-size: 12px;
}

/* ---------- Screenshot Link ---------- */
.screenshot-link {
    background: none;
    border: none;
    color: var(--nus-navy);
    cursor: pointer;
    font-size: 12px;
    text-decoration: underline;
    text-decoration-style: dotted;
}

.screenshot-link:hover {
    color: var(--nus-navy-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .container {
        padding: 16px 12px 40px;
    }

    header {
        padding: 28px 16px 24px;
    }

    header h1 {
        font-size: 1.3em;
    }

    .form-container,
    .data-section {
        padding: 18px;
    }

    .section {
        padding: 16px;
    }

    .form-row {
        flex-direction: column;
        gap: 14px;
    }

    .form-group {
        min-width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions button {
        width: 100%;
    }

    .data-header {
        flex-direction: column;
        align-items: flex-start;
    }

    th, td {
        padding: 8px 6px;
        font-size: 12px;
    }
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.modal {
    background: var(--nus-white);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 680px;
    width: 90%;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    border-top: 3px solid var(--nus-gold);
}

.modal h3 {
    margin-bottom: 20px;
    color: var(--nus-navy);
    font-weight: 700;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 24px;
}

.modal-actions button {
    padding: 8px 22px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--nus-border);
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s;
}

.modal-actions .confirm-btn {
    background: var(--nus-navy);
    color: white;
    border-color: var(--nus-navy);
}

.modal-actions .confirm-btn:hover {
    background: var(--nus-navy-light);
}

.modal-actions .cancel-btn {
    background: var(--nus-white);
    color: var(--nus-text-secondary);
}

.modal-actions .cancel-btn:hover {
    background: var(--nus-bg);
}

/* ---------- Duplicate Customer Highlight ---------- */
.duplicate-customer {
    background-color: #fff9e6 !important;
}

.duplicate-count {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 9px;
    background: var(--nus-red);
    color: white;
    border-radius: 10px;
    font-size: 10.5px;
    font-weight: 700;
    vertical-align: middle;
    animation: pulseHighlight 2s ease-in-out infinite;
}

@keyframes pulseHighlight {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.65; }
}

/* ---------- Autocomplete Dropdown ---------- */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--nus-white);
    border: 1.5px solid var(--nus-border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    max-height: 240px;
    overflow-y: auto;
}

.autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #f2f4f7;
    transition: background 0.12s;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: var(--nus-accent-blue);
}

.autocomplete-name {
    font-weight: 600;
    color: var(--nus-text);
    font-size: 13.5px;
}

.autocomplete-info {
    color: #999;
    font-size: 11.5px;
    max-width: 50%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.autofill-image-hint {
    color: var(--nus-navy);
    font-size: 12.5px;
    padding: 4px 0;
}

/* ---------- Search Bar ---------- */
.search-bar {
    margin-bottom: 18px;
}

.search-bar-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--nus-white);
    border: 2px solid var(--nus-border);
    border-radius: 50px;
    padding: 8px 18px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-bar-inner:focus-within {
    border-color: var(--nus-navy);
    box-shadow: 0 0 0 3px rgba(0, 61, 124, 0.1);
}

.search-icon {
    font-size: 15px;
    flex-shrink: 0;
}

#searchInput {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    color: var(--nus-text);
    background: transparent;
}

#searchInput::placeholder {
    color: #bbb;
}

#searchField {
    border: 1.5px solid var(--nus-border);
    border-radius: 50px;
    padding: 5px 12px;
    font-size: 12.5px;
    color: var(--nus-text-secondary);
    background: var(--nus-bg);
    cursor: pointer;
    outline: none;
}

#searchField:focus {
    border-color: var(--nus-navy);
}

.clear-search-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: #eee;
    color: #999;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s;
}

.clear-search-btn:hover {
    background: var(--nus-red);
    color: white;
}

.search-result-count {
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--nus-navy);
    padding-left: 4px;
    font-weight: 500;
}

/* ---------- Batch Bar ---------- */
.batch-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 18px;
    background: var(--nus-accent-blue);
    border-radius: var(--radius);
    margin-bottom: 14px;
    border: 1px solid #c8dcef;
}

.batch-select-all {
    font-size: 13px;
    color: var(--nus-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}

.batch-select-all input {
    cursor: pointer;
    accent-color: var(--nus-navy);
}

.selected-count {
    font-size: 13px;
    color: var(--nus-navy);
    font-weight: 700;
}

.batch-btn {
    padding: 6px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.15s;
}

.batch-yes {
    background: var(--nus-green);
    color: white;
}

.batch-yes:hover {
    background: #156b2e;
}

.batch-no {
    background: var(--nus-red);
    color: white;
}

.batch-no:hover {
    background: #a81e2a;
}

.batch-cancel {
    background: #e8e8e8;
    color: #666;
    margin-left: auto;
}

.batch-cancel:hover {
    background: #d8d8d8;
}

/* ---------- Checkbox Column ---------- */
.check-col {
    width: 38px;
    text-align: center;
}

.check-col input {
    cursor: pointer;
    accent-color: var(--nus-navy);
    width: 16px;
    height: 16px;
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 18px 0 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.page-info {
    font-size: 12.5px;
    color: #888;
}

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

.page-btn {
    min-width: 34px;
    height: 34px;
    border: 1.5px solid var(--nus-border);
    border-radius: var(--radius-sm);
    background: var(--nus-white);
    color: var(--nus-text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--nus-navy);
    color: var(--nus-navy);
    background: var(--nus-accent-blue);
}

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

.page-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.page-ellipsis {
    padding: 0 4px;
    color: #aaa;
    line-height: 34px;
    font-size: 13px;
}

.page-size-select {
    border: 1.5px solid var(--nus-border);
    border-radius: var(--radius-sm);
    padding: 5px 10px;
    font-size: 12.5px;
    color: var(--nus-text-secondary);
    outline: none;
    cursor: pointer;
    background: var(--nus-white);
}

.page-size-select:focus {
    border-color: var(--nus-navy);
}

/* ---------- Toast / Message ---------- */
.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    z-index: 2000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    animation: toastIn 0.3s ease;
}

.toast-success {
    background: var(--nus-green);
    color: white;
}

.toast-error {
    background: var(--nus-red);
    color: white;
}

.toast-info {
    background: var(--nus-navy);
    color: white;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-12px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}


/* ===== 创建日期筛选器 ===== */
.date-filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    margin: 12px 0 4px 0;
    background: #f0f5fa;
    border-radius: 8px;
    font-size: 14px;
    flex-wrap: wrap;
}

.filter-label {
    font-weight: 600;
    color: #005BAC;
    white-space: nowrap;
}

.filter-separator {
    color: #666;
    margin: 0 2px;
}

.date-filter-bar input[type="date"] {
    padding: 5px 8px;
    border: 1px solid #ccd9e6;
    border-radius: 6px;
    font-size: 13px;
    color: #333;
    background: #fff;
    cursor: pointer;
}

.date-filter-bar input[type="date"]:focus {
    outline: none;
    border-color: #005BAC;
    box-shadow: 0 0 0 2px rgba(0, 91, 172, 0.15);
}

.filter-btn {
    padding: 6px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:not(.clear-btn) {
    background: #005BAC;
    color: #fff;
}

.filter-btn:not(.clear-btn):hover {
    background: #003D73;
}

.clear-btn {
    background: #e0e7ef;
    color: #555;
}

.clear-btn:hover {
    background: #ccd9e6;
    color: #333;
}