/* 新前端样式 - 基于AI智能体前端网站设计 */

:root {
    --font-size: 16px;
    --background: #ffffff;
    --foreground: #1f2937;
    --card: #ffffff;
    --border: rgba(0, 0, 0, 0.1);
    --input-bg: #f3f3f5;
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-400: #60a5fa;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --purple-50: #faf5ff;
    --purple-600: #9333ea;
    --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-900: #111827;
    --green-600: #16a34a;
    --orange-600: #ea580c;
    --red-500: #ef4444;
    --radius: 0.625rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    font-size: var(--font-size);
    line-height: 1.5;
    color: var(--foreground);
    background: linear-gradient(135deg, var(--blue-50) 0%, #ffffff 50%, var(--purple-50) 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header */
.app-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 32px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.usage-info {
    display: none !important; /* 隐藏右上角剩余次数显示 */
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: linear-gradient(135deg, var(--blue-50) 0%, #e0e7ff 100%);
    border-radius: 10px;
    font-size: 14px;
    border: 1px solid rgba(37, 99, 235, 0.1);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.08);
    transition: all 0.3s ease;
}

.usage-info:hover {
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.12);
    transform: translateY(-1px);
}

.usage-label {
    color: var(--gray-700);
    font-weight: 500;
}

.usage-count {
    font-weight: 700;
    font-size: 15px;
    color: var(--blue-600);
    min-width: 20px;
    text-align: center;
    padding: 2px 6px;
    background: white;
    border-radius: 6px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.verify-code-btn {
    display: none !important; /* 隐藏右上角输入验证码按钮 */
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.verify-code-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.verify-code-btn:hover::before {
    width: 300px;
    height: 300px;
}

.verify-code-btn:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6a3d91 100%);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

.verify-code-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.verify-code-btn svg {
    transition: transform 0.3s ease;
}

.verify-code-btn:hover svg {
    transform: scale(1.1) rotate(5deg);
}

.verify-code-btn span {
    position: relative;
    z-index: 1;
}

/* 隐藏右上角的剩余次数和输入验证码按钮 */
#usageCount,
#usage-info,
.usage-info,
.verify-code-btn {
    display: none !important;
}

.admin-link {
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.admin-link:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #5568d3 !important;
    transform: translateY(-1px);
}

/* 兑换码输入区域样式 */
.redeem-code-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Courier New', monospace;
    transition: border-color 0.3s;
}

.redeem-code-input:focus {
    outline: none;
    border-color: var(--blue-600);
}

.redeem-btn {
    padding: 12px 24px;
    background: var(--blue-600);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.redeem-btn:hover:not(:disabled) {
    background: var(--blue-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
}

.redeem-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.redeem-error {
    color: var(--red-500);
    font-size: 14px;
    margin-top: 8px;
}

/* 验证码模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0;
}

.modal-header h2 {
    font-size: 24px;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background 0.2s;
}

.modal-close:hover {
    background: var(--gray-100);
}

.modal-body {
    padding: 24px;
}

.modal-description {
    color: var(--gray-600);
    margin-bottom: 20px;
    font-size: 14px;
}

.verify-code-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
    transition: border-color 0.2s;
}

.verify-code-input:focus {
    outline: none;
    border-color: var(--blue-600);
}

.modal-error {
    color: var(--red-500);
    font-size: 14px;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: #fee;
    border-radius: 6px;
}

.modal-submit-btn {
    width: 100%;
    padding: 12px;
    background: var(--blue-600);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.modal-submit-btn:hover {
    background: var(--blue-700);
}

.modal-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.back-btn {
    padding: 8px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: var(--gray-600);
    transition: background 0.2s;
    margin-right: 12px;
}

.back-btn:hover {
    background: var(--gray-100);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    background: transparent !important;
    position: relative;
}

.logo-icon img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    border-radius: 8px;
    min-width: 40px !important;
    min-height: 40px !important;
    max-width: 40px !important;
    max-height: 40px !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 10 !important;
}

/* 隐藏logo-icon内的SVG，确保只显示img */
.logo-icon svg {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    width: 0 !important;
    height: 0 !important;
}

.logo-text h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.logo-text p {
    font-size: 14px;
    color: var(--gray-500);
    margin: 0;
}

/* Main Content */
.app-main {
    min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero-section {
    padding: 64px 16px;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
}

.hero-content {
    text-align: center;
    margin-bottom: 64px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--blue-100);
    color: var(--blue-700);
    padding: 8px 16px;
    border-radius: 9999px;
    margin-bottom: 24px;
    font-size: 14px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.hero-description {
    font-size: 20px;
    color: var(--gray-600);
    max-width: 768px;
    margin: 0 auto 32px;
}

.hero-cta-btn {
    background: linear-gradient(135deg, var(--blue-600), var(--purple-600));
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
}

.hero-cta-btn:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s;
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon-blue {
    color: var(--blue-600);
    background: var(--blue-50);
}

.feature-icon-purple {
    color: var(--purple-600);
    background: var(--purple-50);
}

.feature-icon-indigo {
    color: #4f46e5;
    background: #eef2ff;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 14px;
}

/* Process Card */
.process-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.process-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 24px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--blue-600), var(--purple-600));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.process-step h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.process-step p {
    font-size: 14px;
    color: var(--gray-600);
}

/* Form Section */
.form-section {
    padding: 48px 16px;
}

.form-container {
    max-width: 896px;
    margin: 0 auto;
}

.form-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.form-header {
    margin-bottom: 32px;
}

.form-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.form-header p {
    color: var(--gray-600);
}

.project-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.form-field-full {
    grid-column: 1 / -1;
    width: 100%;
}

.form-field-standalone {
    width: 100% !important;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    grid-column: none !important;
}

.form-field label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.required {
    color: var(--red-500);
}

.optional {
    color: var(--gray-500);
    font-size: 12px;
    margin-left: 4px;
}

.field-hint {
    font-size: 12px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: var(--input-bg);
    color: var(--foreground);
    transition: all 0.2s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--blue-600);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-field textarea {
    resize: vertical;
    min-height: 100px;
}

/* File Upload */
.file-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: 8px;
    padding: 24px;
    transition: border-color 0.2s;
}

.file-upload-area:hover {
    border-color: var(--blue-400);
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    color: var(--gray-700);
}

.file-upload-label svg {
    color: var(--gray-400);
    margin-bottom: 12px;
}

.file-upload-hint {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.uploaded-files-list {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.uploaded-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--blue-50);
    border: 1px solid var(--blue-200);
    border-radius: 8px;
    padding: 12px;
}

.uploaded-file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.uploaded-file-name {
    font-size: 14px;
    color: var(--gray-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.uploaded-file-size {
    font-size: 12px;
    color: var(--gray-500);
}

.remove-file-btn {
    padding: 4px;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: var(--gray-600);
    transition: background 0.2s;
}

.remove-file-btn:hover {
    background: var(--blue-200);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 16px;
}

.submit-btn {
    background: linear-gradient(135deg, var(--blue-600), var(--purple-600));
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
}

.submit-btn:hover:not(:disabled) {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Report Section */
.report-section {
    padding: 48px 16px;
}

.report-container {
    max-width: 1152px;
    margin: 0 auto;
}

/* Report Display Styles (from report-display.js) */
.report-display {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.report-header {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.report-header-content {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.report-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--blue-600), var(--purple-600));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.report-title-section h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.report-title-section p {
    color: var(--gray-600);
}

.report-actions {
    display: flex;
    gap: 12px;
}

.report-btn-primary,
.report-btn-secondary {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
}

.report-btn-primary {
    background: var(--blue-600);
    color: white;
}

.report-btn-primary:hover {
    background: var(--blue-700);
}

.report-btn-secondary {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.report-btn-secondary:hover {
    background: var(--gray-50);
}

.report-score-section {
    background: linear-gradient(135deg, var(--blue-50), var(--purple-50));
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--blue-200);
}

.report-score-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.report-score-info {
    flex: 1;
}

.report-score-label {
    color: var(--gray-600);
    font-size: 14px;
    margin-bottom: 8px;
}

.report-score-value-wrapper {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.report-score-value {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
}

.report-score-high {
    color: var(--green-600);
}

.report-score-medium {
    color: var(--blue-600);
}

.report-score-low {
    color: var(--orange-600);
}

.report-score-max {
    font-size: 24px;
    color: var(--gray-400);
}

.report-score-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.report-summary {
    padding-top: 16px;
    border-top: 1px solid var(--blue-200);
}

.report-summary p {
    color: var(--gray-700);
    line-height: 1.6;
}

.report-sections {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.report-section-item {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.report-section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.report-section-number {
    width: 32px;
    height: 32px;
    background: var(--blue-100);
    color: var(--blue-600);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.report-section-content {
    color: var(--gray-700);
    line-height: 1.8;
    white-space: pre-line;
}

.report-recommendations {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.report-recommendations-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.report-recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.report-recommendation-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.report-recommendation-item svg {
    color: var(--green-600);
    flex-shrink: 0;
    margin-top: 2px;
}

.report-actions-footer {
    display: flex;
    justify-content: center;
    margin-top: 32px;
}

.report-btn-new {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--blue-600), var(--purple-600));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.report-btn-new:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-description {
        font-size: 18px;
    }

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

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .header-container {
        padding: 16px;
    }

    .form-card {
        padding: 24px 16px;
    }
}