/**
 * STP模具几何分析中心 - 统一设计系统
 * 优化版本：现代化UI设计，响应式布局
 */

/* 设计系统变量 */
:root {
  /* 颜色系统 */
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #3b82f6;
  
  /* 中性色 */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* 间距系统 */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* 字体系统 */
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* 阴影系统 */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  
  /* 圆角系统 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
}

/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  min-height: 100vh;
  padding: var(--space-md);
  color: var(--gray-800);
  line-height: 1.6;
}

/* 应用外壳 */
.app-shell {
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - 2 * var(--space-md));
  display: flex;
  flex-direction: column;
}

/* 通知系统 */
.notification-container {
  position: fixed;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 1000;
  max-width: 400px;
}

.notification {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--info-color);
  animation: slideIn 0.3s ease-out;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notification-success {
  border-left-color: var(--success-color);
}

.notification-error {
  border-left-color: var(--error-color);
}

.notification-warning {
  border-left-color: var(--warning-color);
}

.notification-message {
  flex: 1;
  color: var(--gray-700);
}

.notification-close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--gray-400);
  cursor: pointer;
  padding: var(--space-xs);
  margin-left: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.notification-close:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

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

/* 应用头部 */
.app-header {
  background: white;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
}

.app-title {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.logo {
  font-size: var(--font-size-3xl);
  background: linear-gradient(135deg, var(--primary-color), var(--info-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-title h1 {
  font-size: var(--font-size-3xl);
  color: var(--gray-900);
  margin-bottom: var(--space-xs);
}

.app-subtitle {
  color: var(--gray-600);
  font-size: var(--font-size-base);
}

.app-nav {
  display: flex;
  gap: var(--space-md);
  border-top: 1px solid var(--gray-200);
  padding-top: var(--space-lg);
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  color: var(--gray-600);
  border-radius: var(--radius-md);
  transition: all 0.2s;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary-color);
  background: var(--gray-50);
}

.nav-link.active {
  color: var(--primary-color);
  background: var(--gray-50);
  box-shadow: var(--shadow-sm);
}

/* 主要内容区域 */
.app-main {
  flex: 1;
  background: white;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

/* 应用底部 */
.app-footer {
  background: var(--gray-800);
  color: white;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
}

.footer-left, .footer-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.status-success {
  color: var(--success-color);
}

.status-error {
  color: var(--error-color);
}

.results-section {
    padding: 0 40px 40px;
}

.result-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 25px;
    margin: 15px 0;
    border-left: 5px solid #3498db;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.result-card h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3em;
}

.task-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.geometry-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.bounding-box-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.topology-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.features-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.recommendations-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 15px;
}

.metrics-data {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.analysis-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.data-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
}

.data-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.data-label {
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.data-value {
    color: #34495e;
    font-family: 'Courier New', monospace;
    font-size: 1.1em;
    font-weight: 600;
}

.data-unit {
    color: #7f8c8d;
    font-size: 0.9em;
    margin-left: 4px;
}

.coordinate-item {
    background: linear-gradient(135deg, #e8f4fc, #d1edff);
    padding: 15px;
    border-radius: 6px;
}

.coordinate-label {
    font-weight: bold;
    color: #2980b9;
    margin-bottom: 5px;
}

.coordinate-value {
    font-family: 'Courier New', monospace;
    color: #2c3e50;
}

.status-badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: bold;
    display: inline-block;
}

.status-processing {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.status-completed {
    background: #d1edff;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.status-failed {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.loading {
    display: none;
    text-align: center;
    padding: 30px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    display: none;
    border-left: 5px solid #e74c3c;
}

.system-info {
    background: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
    margin-top: 20px;
    border-radius: 0 0 15px 15px;
}

/* 特征和建议的特殊样式 */
.feature-item {
    background: linear-gradient(135deg, #e8f4fc, #d1edff);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.recommendation-item {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #f39c12;
}

.recommendation-high {
    border-left-color: #e74c3c;
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
}

.recommendation-medium {
    border-left-color: #f39c12;
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
}

.recommendation-low {
    border-left-color: #27ae60;
    background: linear-gradient(135deg, #d1edff, #bee5eb);
}

.feature-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.feature-type {
    font-weight: bold;
    color: #2c3e50;
    font-size: 1.1em;
}

.confidence-badge {
    background: #3498db;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.9em;
}

.recommendation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.priority-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.9em;
    font-weight: bold;
}

.priority-high {
    background: #e74c3c;
    color: white;
}

.priority-medium {
    background: #f39c12;
    color: white;
}

.priority-low {
    background: #27ae60;
    color: white;
}

.recommendation-list {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.recommendation-list li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.recommendation-list li:before {
    content: "💡";
    font-size: 1.1em;
}

.recommendation-list li:last-child {
    border-bottom: none;
}

.metric-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.metric-value {
    font-size: 1.8em;
    font-weight: bold;
    color: #2c3e50;
    margin: 10px 0;
}

.metric-label {
    color: #7f8c8d;
    font-size: 0.9em;
}

.metric-good {
    color: #27ae60;
}

.metric-warning {
    color: #f39c12;
}

.metric-poor {
    color: #e74c3c;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        border-radius: 10px;
    }

    .header {
        padding: 20px;
    }

    .header h1 {
        font-size: 2em;
    }

    .upload-section {
        padding: 20px;
    }

    .upload-area {
        padding: 30px 20px;
    }

    .results-section {
        padding: 0 20px 20px;
    }

    .geometry-data,
    .bounding-box-data,
    .topology-data,
    .features-data,
    .recommendations-data,
    .metrics-data,
    .analysis-info {
        grid-template-columns: 1fr;
    }
}

/* ===== 新版 Vue SPA 布局样式 ===== */

.app-shell {
    max-width: 1280px;
    margin: 0 auto;
    min-height: calc(100vh - 32px);
    background: #0b1120;
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.app-header {
    padding: 18px 24px;
    background: radial-gradient(circle at top left, #1d4ed8, #020617 60%);
    border-bottom: 1px solid rgba(148, 163, 184, 0.4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.app-title {
    display: flex;
    align-items: center;
    gap: 14px;
    color: #e5e7eb;
}

.app-title h1 {
    font-size: 1.5rem;
    margin-bottom: 2px;
}

.app-title p {
    font-size: 0.9rem;
    color: #9ca3af;
}

.logo {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 30% 20%, #f59e0b, #ef4444 60%);
    font-size: 1.4rem;
}

.app-nav {
    display: flex;
    gap: 10px;
    align-items: center;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 999px;
    text-decoration: none;
    color: #e5e7eb;
    font-size: 0.9rem;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.nav-link:hover {
    border-color: rgba(148, 163, 184, 0.7);
    background: rgba(15, 23, 42, 0.7);
}

.nav-link.active {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: white;
    border-color: transparent;
}

.app-main {
    flex: 1;
    padding: 20px 24px 18px;
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.25), transparent 55%),
        radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.18), transparent 55%),
        #020617;
    color: #e5e7eb;
    overflow-y: auto;
}

.app-footer {
    padding: 10px 18px;
    font-size: 0.8rem;
    color: #9ca3af;
    background: #020617;
    border-top: 1px solid rgba(148, 163, 184, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left span + span {
    margin-left: 6px;
}

.dashboard,
.history-view,
.result-view {
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 1040px;
    margin: 0 auto;
}

.dashboard h2,
.history-view h2,
.result-view h2 {
    font-size: 1.3rem;
    margin-bottom: 4px;
}

.card-subtitle {
    color: #9ca3af;
    font-size: 0.9rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 12px;
}

.card {
    background:
        radial-gradient(circle at top left, rgba(30, 64, 175, 0.22), transparent 60%),
        radial-gradient(circle at bottom right, rgba(8, 47, 73, 0.36), transparent 55%),
        #020617;
    border-radius: 16px;
    padding: 16px 18px;
    border: 1px solid rgba(148, 163, 184, 0.32);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.85);
}

.card h2,
.card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: #e5e7eb;
}

.upload-panel {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.upload-dropzone {
    border-radius: 14px;
    border: 1px dashed rgba(148, 163, 184, 0.6);
    padding: 26px 18px;
    text-align: center;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 64, 175, 0.4));
    cursor: pointer;
    transition: all 0.2s ease;
    color: #e5e7eb;
}

.upload-dropzone:hover,
.upload-dropzone.drag-over {
    border-color: #60a5fa;
    background: linear-gradient(135deg, rgba(15, 23, 42, 1), rgba(37, 99, 235, 0.6));
}

.upload-icon {
    font-size: 2.3rem;
    margin-bottom: 6px;
}

.clear-file-btn {
    margin-top: 8px;
    padding: 4px 12px;
    font-size: 0.8rem;
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.4);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clear-file-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.6);
}

.upload-btn {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: white;
    border: none;
    padding: 10px 18px;
    font-size: 0.95rem;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.upload-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.upload-btn:disabled {
    background: #4b5563;
    cursor: not-allowed;
    box-shadow: none;
}

.error-text {
    color: #fecaca;
    font-size: 0.85rem;
}

.current-task {
    margin-top: 10px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: radial-gradient(circle at top left, #020617, #020617 70%);
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: #e5e7eb;
}

.info-row + .info-row {
    margin-top: 4px;
}

.small-hint {
    margin-top: 6px;
    font-size: 0.8rem;
    color: #9ca3af;
}

.summary-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 4px;
}

.summary-item {
    background: rgba(15, 23, 42, 0.92);
    border-radius: 12px;
    padding: 8px 10px;
    border: 1px solid rgba(148, 163, 184, 0.4);
}

.summary-label {
    font-size: 0.85rem;
    color: #9ca3af;
    margin-bottom: 2px;
}

.summary-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: #e5e7eb;
}

.summary-value.text-left {
    font-size: 0.9rem;
}

.summary-value .filename {
    font-weight: 600;
}

.summary-value .meta {
    color: #9ca3af;
    margin-top: 2px;
}

.summary-empty {
    grid-column: 1 / -1;
    font-size: 0.9rem;
    color: #9ca3af;
}

.link-btn {
    margin-top: 4px;
    font-size: 0.9rem;
    color: #93c5fd;
    text-decoration: none;
}

.link-btn:hover {
    text-decoration: underline;
}

.center-block {
    text-align: center;
    padding: 24px 8px;
    color: #9ca3af;
}

.spinner {
    border: 3px solid rgba(148, 163, 184, 0.3);
    border-top: 3px solid #60a5fa;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    animation: spin 0.9s linear infinite;
    margin: 0 auto 10px;
}

.spinner.small {
    width: 22px;
    height: 22px;
    margin-bottom: 6px;
}

.status-pill {
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: none;
}

.status-pending {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
}

.status-processing {
    background: rgba(250, 204, 21, 0.15);
    color: #facc15;
}

.status-completed {
    background: rgba(52, 211, 153, 0.18);
    color: #6ee7b7;
}

.status-failed {
    background: rgba(248, 113, 113, 0.18);
    color: #fb7185;
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.file-card {
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: rgba(15, 23, 42, 0.9);
    padding: 10px 12px;
}

.file-card.expanded {
    border-color: #60a5fa;
}

.file-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.file-name {
    font-size: 0.95rem;
    color: #e5e7eb;
}

.file-meta {
    font-size: 0.8rem;
    color: #9ca3af;
}

.expand-btn {
    border: none;
    background: transparent;
    color: #9ca3af;
    font-size: 0.8rem;
    cursor: pointer;
}

.record-list {
    margin-top: 8px;
    border-top: 1px dashed rgba(55, 65, 81, 0.8);
    padding-top: 6px;
}

.record-item {
    border-radius: 12px;
    border: 1px solid rgba(55, 65, 81, 0.9);
    background: rgba(15, 23, 42, 0.95);
    padding: 8px 10px;
    margin-top: 6px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
}

.record-item:hover {
    background: rgba(17, 24, 39, 1);
    transform: translateY(-1px);
}

.record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: #e5e7eb;
}

.record-meta {
    margin-top: 4px;
    font-size: 0.78rem;
    color: #9ca3af;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.result-layout {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.task-card .info-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    font-size: 0.88rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.info-label {
    font-size: 0.8rem;
    color: #9ca3af;
}

.info-value {
    font-size: 0.92rem;
    color: #e5e7eb;
}

.data-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.data-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.88rem;
    color: #e5e7eb;
}

.data-label {
    color: #9ca3af;
}

.data-value {
    font-weight: 500;
}

.placeholder {
    font-size: 0.85rem;
    color: #6b7280;
}

.error-box {
    margin-top: 8px;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid rgba(248, 113, 113, 0.5);
    background: rgba(127, 29, 29, 0.4);
    font-size: 0.85rem;
    color: #fecaca;
}

@media (max-width: 900px) {
    .app-shell {
        border-radius: 14px;
    }
    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .grid-2 {
        grid-template-columns: minmax(0, 1fr);
    }
    .grid-3 {
        grid-template-columns: minmax(0, 1fr);
    }
    .task-card .info-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}