/**
 * Actuators.cn RFQ Module - Stylesheet
 *
 * 集成说明：
 * - 如果现有网站使用 Bootstrap 或其他 CSS 框架，可精简此文件
 * - 主要提供询价表单、后台管理的样式
 * - 颜色方案：蓝色主色调（适合 B2B 工业风格）
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    --rfq-primary: #1a56db;
    --rfq-primary-hover: #1e40af;
    --rfq-success: #059669;
    --rfq-success-bg: #d1fae5;
    --rfq-danger: #dc2626;
    --rfq-danger-bg: #fee2e2;
    --rfq-warning: #d97706;
    --rfq-warning-bg: #fef3c7;
    --rfq-gray-50: #f9fafb;
    --rfq-gray-100: #f3f4f6;
    --rfq-gray-200: #e5e7eb;
    --rfq-gray-300: #d1d5db;
    --rfq-gray-500: #6b7280;
    --rfq-gray-700: #374151;
    --rfq-gray-900: #111827;
    --rfq-radius: 8px;
    --rfq-shadow: 0 1px 3px rgba(0,0,0,0.1);
    --rfq-shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

/* ============================================
   Reset & Base
   ============================================ */
.rfq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--rfq-gray-900);
    line-height: 1.6;
}

.rfq-container *,
.rfq-admin * {
    box-sizing: border-box;
}

/* ============================================
   Header
   ============================================ */
.rfq-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--rfq-gray-200);
}

.rfq-header h1 {
    font-size: 2rem;
    color: var(--rfq-gray-900);
    margin-bottom: 0.5rem;
}

.rfq-subtitle {
    color: var(--rfq-gray-500);
    font-size: 1.1rem;
}

/* ============================================
   Form Sections
   ============================================ */
.rfq-form {
    background: #fff;
}

.rfq-section {
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: #fff;
}

.rfq-section legend {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--rfq-gray-900);
    padding: 0 0.5rem;
}

.rfq-section-icon {
    margin-right: 0.5rem;
}

/* ============================================
   Form Fields
   ============================================ */
.rfq-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.rfq-col { flex: 1; }
.rfq-col-2 { flex: 1 1 calc(50% - 0.5rem); min-width: 250px; }
.rfq-col-3 { flex: 1 1 calc(33.33% - 0.67rem); min-width: 200px; }

.rfq-col label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.rfq-required::after {
    content: " *";
    color: var(--rfq-danger);
}

.rfq-col input[type="text"],
.rfq-col input[type="email"],
.rfq-col input[type="number"],
.rfq-col select,
.rfq-col textarea,
.rfq-input-full {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--rfq-gray-300);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s;
    background: #fff;
}

.rfq-col input:focus,
.rfq-col select:focus,
.rfq-col textarea:focus,
.rfq-input-full:focus {
    outline: none;
    border-color: var(--rfq-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.rfq-col textarea {
    resize: vertical;
}

.rfq-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--rfq-gray-500);
    margin-top: 0.25rem;
}

.rfq-error {
    display: block;
    color: var(--rfq-danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    min-height: 1.2rem;
}

/* ============================================
   Specs Groups
   ============================================ */
.rfq-specs-group {
    background: var(--rfq-gray-50);
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.rfq-specs-group h4 {
    font-size: 0.95rem;
    color: var(--rfq-gray-700);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--rfq-gray-200);
}

/* ============================================
   File Upload
   ============================================ */
.rfq-upload-zone {
    border: 2px dashed var(--rfq-gray-300);
    border-radius: var(--rfq-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.rfq-upload-zone:hover,
.rfq-upload-zone.drag-over {
    border-color: var(--rfq-primary);
    background: rgba(26, 86, 219, 0.03);
}

.rfq-upload-zone p {
    margin: 0.5rem 0;
}

.rfq-upload-hint {
    font-size: 0.85rem;
    color: var(--rfq-gray-500);
}

.rfq-file-list {
    margin-top: 1rem;
}

.rfq-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    background: var(--rfq-gray-50);
    border: 1px solid var(--rfq-gray-200);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.rfq-file-item .rfq-file-remove {
    cursor: pointer;
    color: var(--rfq-danger);
    font-weight: bold;
    padding: 0 0.25rem;
}

/* ============================================
   Buttons
   ============================================ */
.rfq-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
}

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

.rfq-btn-primary:hover { background: var(--rfq-primary-hover); }

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

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

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

.rfq-btn-outline:hover { background: var(--rfq-gray-50); }

.rfq-btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
}

/* ============================================
   Form Actions
   ============================================ */
.rfq-form-actions {
    text-align: center;
    padding: 2rem 0 1rem;
}

.rfq-alt-contact {
    color: var(--rfq-gray-500);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.rfq-alt-contact a {
    color: var(--rfq-primary);
}

/* ============================================
   Alerts
   ============================================ */
.rfq-alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.rfq-alert-success {
    background: var(--rfq-success-bg);
    color: var(--rfq-success);
    border: 1px solid var(--rfq-success);
}

.rfq-alert-error {
    background: var(--rfq-danger-bg);
    color: var(--rfq-danger);
    border: 1px solid var(--rfq-danger);
}

.rfq-alert-warning {
    background: var(--rfq-warning-bg);
    color: var(--rfq-warning);
}

/* ============================================
   Admin Layout
   ============================================ */
.rfq-admin {
    min-height: 100vh;
    background: var(--rfq-gray-50);
}

.rfq-admin-header {
    background: var(--rfq-gray-900);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
}

.rfq-admin-nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0 1rem;
    overflow-x: auto;
}

.rfq-admin-nav a {
    color: var(--rfq-gray-300);
    text-decoration: none;
    padding: 0.9rem 1rem;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: all 0.2s;
}

.rfq-admin-nav a:hover,
.rfq-admin-nav a.active {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.rfq-admin-user {
    margin-left: auto;
    color: var(--rfq-gray-500);
    font-size: 0.85rem;
    white-space: nowrap;
}

.rfq-admin-user a {
    padding: 0.5rem;
}

.rfq-badge {
    display: inline-block;
    background: var(--rfq-danger);
    color: #fff;
    font-size: 0.75rem;
    padding: 0.15rem 0.45rem;
    border-radius: 10px;
    margin-left: 0.25rem;
    vertical-align: top;
}

.rfq-admin-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.rfq-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.rfq-page-header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.rfq-page-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.rfq-text-muted {
    color: var(--rfq-gray-500);
    font-size: 0.85rem;
}

/* ============================================
   Filter Bar
   ============================================ */
.rfq-filter-bar {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: #fff;
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.rfq-filter-tab {
    padding: 0.4rem 0.75rem;
    font-size: 0.9rem;
    color: var(--rfq-gray-700);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
}

.rfq-filter-tab:hover { background: var(--rfq-gray-100); }

.rfq-filter-tab.active {
    background: var(--rfq-primary);
    color: #fff;
}

.rfq-filter-select {
    margin-left: auto;
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--rfq-gray-300);
    border-radius: 6px;
    font-size: 0.9rem;
}

/* ============================================
   Draft Cards
   ============================================ */
.rfq-draft-card {
    background: #fff;
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--rfq-shadow);
}

.rfq-draft-pending {
    border-left: 4px solid var(--rfq-danger);
}

.rfq-draft-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.rfq-draft-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.rfq-draft-badge {
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.rfq-status-draft { background: var(--rfq-danger-bg); color: var(--rfq-danger); }
.rfq-status-sent { background: var(--rfq-success-bg); color: var(--rfq-success); }
.rfq-status-rejected { background: var(--rfq-gray-100); color: var(--rfq-gray-500); }

.rfq-draft-time {
    color: var(--rfq-gray-500);
    font-size: 0.85rem;
}

.rfq-draft-email {
    background: var(--rfq-gray-50);
    border: 1px solid var(--rfq-gray-200);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
}

.rfq-draft-field {
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.rfq-draft-body-preview {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--rfq-gray-200);
    font-size: 0.9rem;
    color: var(--rfq-gray-700);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.rfq-draft-reasoning {
    background: var(--rfq-warning-bg);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.rfq-draft-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.rfq-draft-language {
    margin-left: auto;
    font-size: 0.85rem;
    color: var(--rfq-gray-500);
}

/* ============================================
   Modal
   ============================================ */
.rfq-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1000;
}

.rfq-modal-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
}

.rfq-modal-content {
    position: relative;
    max-width: 800px;
    max-height: 90vh;
    margin: 3vh auto;
    background: #fff;
    border-radius: var(--rfq-radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow-y: auto;
}

.rfq-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--rfq-gray-200);
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 1;
}

.rfq-modal-header h2 { margin: 0; font-size: 1.2rem; }

.rfq-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--rfq-gray-500);
}

.rfq-modal-content form { padding: 1.5rem; }

.rfq-form-group { margin-bottom: 1rem; }

.rfq-form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.rfq-modal-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 1px solid var(--rfq-gray-200);
}

/* ============================================
   Pagination
   ============================================ */
.rfq-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 0;
}

.rfq-pagination a {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--rfq-gray-300);
    border-radius: 6px;
    text-decoration: none;
    color: var(--rfq-gray-700);
}

/* ============================================
   Dashboard Cards
   ============================================ */
.rfq-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.rfq-stat-card {
    background: #fff;
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--rfq-shadow);
}

.rfq-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--rfq-primary);
}

.rfq-stat-label {
    font-size: 0.9rem;
    color: var(--rfq-gray-500);
    margin-top: 0.25rem;
}

/* ============================================
   Tables
   ============================================ */
.rfq-table {
    width: 100%;
    background: #fff;
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    overflow: hidden;
}

.rfq-table th,
.rfq-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--rfq-gray-200);
    font-size: 0.9rem;
}

.rfq-table th {
    background: var(--rfq-gray-50);
    font-weight: 600;
    color: var(--rfq-gray-700);
}

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

.rfq-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--rfq-gray-500);
}

/* ============================================
   Success Page
   ============================================ */
.rfq-success {
    text-align: center;
    padding: 3rem 1rem;
}

.rfq-success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.rfq-success h1 {
    color: var(--rfq-success);
    margin-bottom: 1rem;
}

.rfq-success-details {
    background: var(--rfq-gray-50);
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    padding: 1.5rem;
    max-width: 500px;
    margin: 2rem auto;
    text-align: left;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .rfq-col-2,
    .rfq-col-3 { flex: 1 1 100%; }

    .rfq-container { padding: 1rem 0.5rem; }

    .rfq-section { padding: 1rem; }

    .rfq-admin-nav { flex-wrap: wrap; }

    .rfq-admin-nav a { font-size: 0.85rem; padding: 0.6rem 0.75rem; }

    .rfq-personal-nav { flex-direction: column; }
}

/* ============================================
   User Account Pages
   ============================================ */
.rfq-personal {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.rfq-personal-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--rfq-gray-200);
    margin-bottom: 1.5rem;
}

.rfq-personal-nav a {
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    color: var(--rfq-gray-700);
    font-size: 0.95rem;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.rfq-personal-nav a.active,
.rfq-personal-nav a:hover {
    color: var(--rfq-primary);
    border-bottom-color: var(--rfq-primary);
}

.rfq-personal-content {
    background: #fff;
    border: 1px solid var(--rfq-gray-200);
    border-radius: var(--rfq-radius);
    padding: 1.5rem;
}