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

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-dark: #1e40af;
    --success: #059669;
    --success-light: #ecfdf5;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.07), 0 10px 15px rgba(0, 0, 0, 0.1);
}

html {
    font-size: 14px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
    min-height: 100vh;
}

/* === Layout === */
.app-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.app-header .subtitle {
    color: var(--gray-500);
    font-size: 13px;
    margin-left: auto;
}

.app-header .api-badge {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 12px;
}

.api-badge.configured {
    background: var(--success-light);
    color: var(--success);
}

.api-badge.unconfigured {
    background: var(--warning-light);
    color: var(--warning);
}

.app-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px 40px;
}

/* === Filter Panel === */
.filter-panel {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}

.filter-panel h2 {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px 16px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
}

.filter-group input,
.filter-group select {
    padding: 7px 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--gray-800);
    background: #fff;
    transition: border-color 0.15s;
    outline: none;
}

.filter-group input:focus,
.filter-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-group .range-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-group .range-group input {
    flex: 1;
    min-width: 0;
}

.filter-group .range-group span {
    color: var(--gray-400);
    font-size: 12px;
}

.filter-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

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

.btn-success:hover:not(:disabled) {
    background: #047857;
}

.btn-outline {
    background: #fff;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-danger-outline {
    background: #fff;
    color: var(--danger);
    border-color: var(--danger);
}

.btn-danger-outline:hover:not(:disabled) {
    background: var(--danger-light);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 10px 24px;
    font-size: 14px;
}

/* === Results Area === */
.results-panel {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.results-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.results-header .info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-600);
    font-size: 13px;
}

.results-header .info strong {
    color: var(--gray-800);
}

.results-header .actions {
    display: flex;
    gap: 6px;
}

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

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

thead {
    background: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
}

th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-600);
    font-size: 12px;
    white-space: nowrap;
    user-select: none;
}

td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

tr:hover td {
    background: var(--gray-50);
}

tr:last-child td {
    border-bottom: none;
}

/* === Pagination === */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 12px 20px;
    border-top: 1px solid var(--gray-200);
}

.pagination .page-btn {
    min-width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    background: #fff;
    color: var(--gray-700);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.pagination .page-btn:hover:not(:disabled):not(.active) {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

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

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

.pagination .page-info {
    padding: 0 8px;
    color: var(--gray-500);
    font-size: 13px;
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 14px;
}

/* === Progress Bar === */
.progress-bar-container {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
}

.progress-bar-container.hidden {
    display: none;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--gray-600);
}

.progress-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar .fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover));
    border-radius: 4px;
    transition: width 0.3s;
}

.progress-bar .fill.complete {
    background: linear-gradient(90deg, var(--success), #047857);
}

/* === Config Modal === */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

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

.modal {
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 24px;
}

.modal h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.modal p {
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.6;
}

.modal .form-group {
    margin-bottom: 12px;
}

.modal .form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.modal .form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 13px;
}

.modal .modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* === Spinner === */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* === Toast === */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 18px;
    border-radius: var(--radius);
    font-size: 13px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 380px;
}

.toast.success {
    background: var(--success);
    color: #fff;
}

.toast.error {
    background: var(--danger);
    color: #fff;
}

.toast.info {
    background: var(--primary);
    color: #fff;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* === Responsive === */
@media (max-width: 768px) {
    .app-content {
        padding: 12px;
    }

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

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

    .filter-actions .btn {
        width: 100%;
        justify-content: center;
    }

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

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

/* === Config modal extra spacing === */
.modal .form-group + .form-group {
    margin-top: 16px;
    border-top: 1px solid var(--gray-100);
    padding-top: 16px;
}

/* === H5 移动端适配 === */
@media (max-width: 640px) {
    /* Header */
    .app-header { padding: 8px 12px; flex-wrap: wrap; gap: 4px; }
    .app-header h1 { font-size: 16px; width: 100%; }
    .app-header .subtitle { font-size: 11px; color: var(--gray-400); width: 100%; }
    #apiBadge { font-size: 11px; padding: 3px 8px; }

    /* Content */
    .app-content { padding: 10px; }

    /* Filter panel */
    .filter-panel { padding: 12px 14px; border-radius: 8px; }
    .filter-section h2 { font-size: 13px; }
    .filter-grid { grid-template-columns: 1fr; gap: 8px; }
    .filter-group input,
    .filter-group select { 
        padding: 10px 12px; font-size: 15px; /* 大触摸区域 */
        -webkit-appearance: none;
    }
    .filter-group .range-group { gap: 4px; }
    #filterKeywords { font-size: 14px !important; }

    /* Buttons - 全宽大按钮 */
    .filter-actions { flex-direction: column; gap: 6px; }
    .filter-actions .btn { width: 100%; justify-content: center; padding: 12px; }
    #filterMobileOnly { transform: scale(1.3); margin-right: 4px; }
    .filter-actions label { margin-left: 0 !important; justify-content: center; padding: 8px; }

    /* Results */
    .results-panel { border-radius: 6px; }
    .results-header { flex-direction: column; gap: 6px; padding: 10px 14px; }
    .results-header .info { font-size: 12px; }

    /* Table → 左右滑动 */
    .table-wrapper { margin: 0; }
    table { font-size: 12px; min-width: 600px; }
    th, td { padding: 8px 10px; white-space: nowrap; }

    /* Pagination */
    .pagination { flex-wrap: wrap; gap: 4px; padding: 10px; }
    .page-btn { min-width: 36px; height: 36px; font-size: 13px; }

    /* Batch progress */
    .progress-bar-container { padding: 10px 12px; }
    .progress-header { flex-direction: column; gap: 6px; }
    .progress-header #downloadActions { width: 100%; display: flex; flex-wrap: wrap; gap: 4px; }
    .progress-header #downloadActions .btn { flex: 1; min-width: 80px; font-size: 11px; }

    /* Modal - 全屏 */
    .modal-overlay { align-items: flex-start; padding-top: 20px; }
    .modal { width: 100%; max-width: 100%; border-radius: 12px 12px 0 0; 
             min-height: 80vh; margin: 0; padding: 20px; }
    .modal h2 { font-size: 15px; }
    .modal p { font-size: 12px; }
    .modal .form-group input { padding: 10px 12px; font-size: 15px; }
    .modal .btn { width: 100%; justify-content: center; }
    .modal .modal-actions { flex-direction: column; gap: 6px; }

    /* Provider tabs */
    .provider-tabs { overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
    .provider-tab { display: inline-block; float: none; padding: 8px 14px; font-size: 12px; }

    /* Empty state */
    .empty-state { padding: 40px 16px; }
    
    /* Actions area */
    #resultActions { width: 100%; gap: 4px !important; }
    #resultActions .btn { flex: 1; font-size: 12px; padding: 8px 10px; }
    
    /* Provider selector */
    #filterProvider { font-size: 14px !important; padding: 10px !important; }
}

/* 小屏手机 */
@media (max-width: 375px) {
    .app-header h1 { font-size: 14px; }
    table { font-size: 11px; min-width: 500px; }
    th, td { padding: 6px 6px; }
    .btn { padding: 6px 12px; font-size: 12px; }
}

/* 横屏提示 */
@media (orientation: landscape) and (max-height: 480px) {
    .filter-grid { grid-template-columns: 1fr 1fr; }
    .modal { min-height: auto; max-height: 90vh; }
}

/* === H5 结果卡片 === */
.result-card { padding: 12px; border-bottom: 1px solid var(--gray-100); }
.card-name { font-size: 14px; font-weight: 600; color: var(--gray-900); margin-bottom: 6px; line-height: 1.4; }
.card-row { font-size: 12px; color: var(--gray-600); margin: 3px 0; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.card-row .label { color: var(--gray-400); min-width: 50px; }
.card-row .phone { color: var(--success); font-weight: 600; font-size: 13px; }
.card-row .landline { color: var(--gray-600); }
.card-addr { font-size: 11px; color: var(--gray-400); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-empty { color: var(--gray-300); }

/* 移动端筛选折叠 */
.filter-toggle-mobile { display: none; }
@media (max-width: 640px) {
    .filter-toggle-mobile { display: flex; width: 100%; justify-content: center; padding: 8px; 
        background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius);
        font-size: 13px; color: var(--gray-600); cursor: pointer; margin-bottom: 8px; }
    .filter-section.collapsible { display: none; }
    .filter-section.collapsible.open { display: block; }
}