/* Apple 风格 CSS - YangZhen 图床 */

/* 全局重置和基础样式 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -0.022em;
  color: #1d1d1f;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Apple 风格头部 */
.header {
  padding: 60px 0 80px 0;
  text-align: center;
  position: relative;
}

.brand-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.logo-icon {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(16, 185, 129, 0.3));
}

.logo-text h1 {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #1d1d1f;
  margin: 0;
  background: linear-gradient(135deg, #34D399 0%, #10B981 50%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-subtitle {
  font-size: 1.125rem;
  color: #10B981;
  font-weight: 500;
  margin-top: 4px;
}

.brand-tagline {
  font-size: 1.25rem;
  color: #86868b;
  font-weight: 400;
  letter-spacing: 0.007em;
  max-width: 600px;
  margin: 0 auto;
}

.auth-status {
  position: absolute;
  top: 20px;
  right: 0;
}

.logout-btn {
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.8);
  color: #1d1d1f;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all 0.2s ease;
  backdrop-filter: blur(20px);
}

.logout-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Apple 风格登录模态框 */
.login-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(20px);
}

.login-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(40px);
  padding: 48px 40px;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  width: 90%;
  max-width: 420px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  z-index: 1001;
}

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

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.login-icon {
  font-size: 3rem;
  opacity: 0.8;
}

.login-content h3 {
  font-size: 1.75rem;
  font-weight: 600;
  color: #1d1d1f;
  margin: 0;
}

.login-description {
  font-size: 1.0625rem;
  color: #86868b;
  margin: 0;
  font-weight: 400;
}

.input-group {
  margin-bottom: 24px;
}

.input-group input {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  font-size: 1.0625rem;
  background: rgba(255, 255, 255, 0.9);
  margin-bottom: 16px;
  transition: all 0.2s ease;
  font-family: inherit;
}

.input-group input:focus {
  outline: none;
  border-color: #10B981;
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.input-group button {
  width: 100%;
  padding: 16px 20px;
  background: #10B981;
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-size: 1.0625rem;
  font-weight: 500;
  transition: all 0.2s ease;
  font-family: inherit;
}

.input-group button:hover {
  background: #059669;
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.input-group button:disabled {
  background: #d1d1d6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.login-message {
  font-size: 0.9375rem;
  min-height: 20px;
  font-weight: 500;
}

.login-message.error {
  color: #ff3b30;
}

.login-message.success {
  color: #34c759;
}

/* Apple 风格主体区域 */
.main {
  background: rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  padding: 60px;
  margin-bottom: 60px;
  backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

/* 功能介绍区域 - 完全隐藏 */
.features-section {
  display: none;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  text-align: center;
  padding: 20px 16px;
  background: rgba(247, 247, 247, 0.3);
  border-radius: 12px;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.02);
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  background: rgba(255, 255, 255, 0.5);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
  opacity: 0.7;
}

.feature-item h4 {
  font-size: 1.125rem;
  font-weight: 500;
  color: #86868b;
  margin-bottom: 6px;
}

.feature-item p {
  font-size: 0.9375rem;
  color: #a1a1a6;
  margin: 0;
}

/* Apple 风格上传区域 */
.upload-section {
  margin-bottom: 60px;
}

.upload-area {
  border: 2px dashed rgba(0, 0, 0, 0.1);
  border-radius: 24px;
  padding: 80px 40px;
  text-align: center;
  background: rgba(247, 247, 247, 0.5);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.upload-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, rgba(52, 211, 153, 0.03) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.upload-area:hover::before,
.upload-area.dragover::before {
  opacity: 1;
}

.upload-area:hover {
  border-color: #10B981;
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
}

.upload-area.dragover {
  border-color: #10B981;
  transform: scale(1.02);
  box-shadow: 0 20px 60px rgba(16, 185, 129, 0.2);
}

.upload-content {
  position: relative;
  z-index: 2;
}

.upload-icon {
  font-size: 4rem;
  margin-bottom: 24px;
  opacity: 0.7;
}

.upload-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: #1d1d1f;
  margin-bottom: 12px;
}

.upload-description {
  font-size: 1.1875rem;
  color: #1d1d1f;
  margin-bottom: 20px;
}

.upload-btn {
  color: #10B981;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.upload-btn:hover {
  color: #059669;
}

.upload-specs {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
}

.upload-specs span {
  font-size: 0.9375rem;
  color: #86868b;
  background: rgba(255, 255, 255, 0.8);
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Apple 风格进度条 */
.upload-progress {
  margin-top: 40px;
}

.progress-container {
  max-width: 400px;
  margin: 0 auto;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #10B981, #34D399);
  border-radius: 3px;
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 1rem;
  color: #86868b;
  text-align: center;
  font-weight: 500;
}

/* Apple 风格结果区域 */
.results-section {
  margin-bottom: 60px;
  padding: 40px;
  background: rgba(52, 199, 89, 0.05);
  border-radius: 20px;
  border: 1px solid rgba(52, 199, 89, 0.1);
}

.results-header {
  text-align: center;
  margin-bottom: 32px;
}

.results-header h3 {
  font-size: 1.75rem;
  font-weight: 600;
  color: #1d1d1f;
  margin-bottom: 8px;
}

.results-header p {
  font-size: 1.0625rem;
  color: #86868b;
  margin: 0;
}

.result-item {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.image-preview {
  flex-shrink: 0;
}

.image-preview img {
  max-width: 240px;
  max-height: 240px;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  object-fit: cover;
}

.image-info {
  margin-top: 12px;
  font-size: 0.875rem;
  color: #86868b;
  text-align: center;
}

.link-section {
  flex: 1;
}

.link-group {
  margin-bottom: 24px;
}

.link-group label {
  display: block;
  font-weight: 600;
  color: #1d1d1f;
  margin-bottom: 8px;
  font-size: 1rem;
}

.input-copy {
  display: flex;
  gap: 8px;
}

.input-copy input {
  flex: 1;
  padding: 14px 16px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  font-size: 0.9375rem;
  background: rgba(255, 255, 255, 0.9);
  color: #1d1d1f;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
}

.input-copy input:focus {
  outline: none;
  border-color: #10B981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.copy-btn {
  padding: 14px 20px;
  background: #10B981;
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
  font-size: 0.9375rem;
  white-space: nowrap;
}

.copy-btn:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.copy-btn.copied {
  background: #34c759;
}

/* 历史记录区域 */
.history-section {
  margin-bottom: 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 32px;
}

.section-header h3 {
  font-size: 1.75rem;
  font-weight: 600;
  color: #1d1d1f;
  margin-bottom: 8px;
}

.section-header p {
  font-size: 1.0625rem;
  color: #86868b;
  margin: 0;
}

.history-list {
  max-height: 500px;
  overflow-y: auto;
}

.empty-history {
  text-align: center;
  padding: 60px 20px;
  color: #86868b;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-history p {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: #1d1d1f;
}

.empty-history span {
  font-size: 1rem;
  color: #86868b;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  margin-bottom: 12px;
  transition: all 0.2s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.history-item:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.history-thumbnail {
  width: 70px;
  height: 70px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
}

.history-info {
  flex: 1;
}

.history-info h4 {
  font-size: 1.0625rem;
  font-weight: 500;
  color: #1d1d1f;
  margin-bottom: 4px;
}

.history-info p {
  font-size: 0.9375rem;
  color: #86868b;
  margin: 0;
}

.history-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.copy-options {
  display: flex;
  gap: 6px;
}

.history-actions button {
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.copy-link-btn {
  background: #10B981;
  color: white;
  padding: 6px 10px;
  font-size: 0.6875rem;
}

.copy-link-btn.markdown {
  background: #34c759;
}

.copy-link-btn.html {
  background: #ff9500;
}

.copy-link-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.copy-link-btn.direct:hover {
  background: #059669;
}

.copy-link-btn.markdown:hover {
  background: #248a3d;
}

.copy-link-btn.html:hover {
  background: #cc7700;
}

.delete-btn {
  background: #ff3b30;
  color: white;
  padding: 6px 12px;
  font-size: 0.75rem;
}

.delete-btn:hover {
  background: #d70015;
  transform: translateY(-1px);
}

/* Apple 风格页脚 */
.footer {
  text-align: center;
  padding: 40px 0 60px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  font-size: 1.5rem;
}

.footer-info {
  text-align: left;
}

.copyright {
  font-size: 0.9375rem;
  color: #1d1d1f;
  font-weight: 500;
  margin-bottom: 2px;
}

.tech-info {
  font-size: 0.875rem;
  color: #86868b;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-link {
  color: #86868b;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #10B981;
}

/* Apple 风格提示消息 */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.88);
  color: white;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  backdrop-filter: blur(40px);
  font-size: 0.9375rem;
  font-weight: 500;
  animation: slideIn 0.3s ease;
}

.toast.error {
  background: rgba(255, 59, 48, 0.9);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .main {
    padding: 40px 24px;
  }
  
  .logo {
    flex-direction: column;
    gap: 8px;
  }
  
  .logo-text h1 {
    font-size: 2.5rem;
  }
  
  .brand-tagline {
    font-size: 1.125rem;
  }
  
  .result-item {
    flex-direction: column;
    gap: 24px;
  }
  
  .image-preview {
    text-align: center;
  }
  
  .input-copy {
    flex-direction: column;
  }
  
  .upload-area {
    padding: 60px 24px;
  }
  
  .upload-specs {
    flex-direction: column;
    gap: 12px;
  }
  
  .history-item {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  
  .history-actions {
    align-items: center;
    gap: 12px;
  }
  
  .copy-options {
    gap: 8px;
  }
  
  .login-content {
    padding: 40px 24px;
    margin: 0 16px;
  }
  
  .auth-status {
    position: static;
    margin-top: 20px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 20px;
  }
  
  .footer-brand {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-info {
    text-align: center;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

/* Apple 风格动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%) translateY(-50%);
    opacity: 0;
  }
  to {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
}

/* Apple 风格滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.3);
}

/* Apple 风格选中文本 */
::selection {
  background: rgba(16, 185, 129, 0.2);
  color: #1d1d1f;
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
  body {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #f5f5f7;
  }

  .main {
    background: rgba(28, 28, 30, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .login-content {
    background: rgba(28, 28, 30, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .feature-item {
    background: rgba(44, 44, 46, 0.6);
  }

  .upload-area {
    background: rgba(44, 44, 46, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .logout-btn {
    background: rgba(28, 28, 30, 0.8);
    color: #f5f5f7;
  }

  .history-item {
    background: rgba(44, 44, 46, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .history-item:hover {
    background: rgba(44, 44, 46, 0.95);
  }
}

/* 优化的Toast样式 */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(28, 28, 30, 0.95);
  color: white;
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  backdrop-filter: blur(20px);
  transform: translateX(400px);
  transition: all 0.3s ease-out;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 400px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  background: rgba(52, 199, 89, 0.95);
  border-color: rgba(52, 199, 89, 0.3);
}

.toast.error {
  background: rgba(255, 59, 48, 0.95);
  border-color: rgba(255, 59, 48, 0.3);
}

.toast.warning {
  background: rgba(255, 149, 0, 0.95);
  border-color: rgba(255, 149, 0, 0.3);
  color: white;
}

.toast.info {
  background: rgba(0, 122, 255, 0.95);
  border-color: rgba(0, 122, 255, 0.3);
}

.toast-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.toast-message {
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.4;
}

/* 历史记录头部样式 */
.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.history-stats {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  color: #86868b;
}

.clear-all-btn {
  background: rgba(255, 59, 48, 0.1);
  color: #ff3b30;
  border: 1px solid rgba(255, 59, 48, 0.2);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.clear-all-btn:hover {
  background: rgba(255, 59, 48, 0.2);
  transform: translateY(-1px);
}

/* 优化复制按钮样式 */
.copy-link-btn {
  background: #10B981;
  color: white;
  padding: 8px 12px;
  font-size: 0.8rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-weight: 500;
}

.copy-link-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.copy-link-btn.markdown {
  background: #34c759;
}

.copy-link-btn.markdown:hover {
  box-shadow: 0 4px 12px rgba(52, 199, 89, 0.3);
}

.copy-link-btn.html {
  background: #ff9500;
}

.copy-link-btn.html:hover {
  box-shadow: 0 4px 12px rgba(255, 149, 0, 0.3);
}

.delete-btn {
  background: rgba(255, 59, 48, 0.1);
  color: #ff3b30;
  border: 1px solid rgba(255, 59, 48, 0.2);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
}

.delete-btn:hover {
  background: rgba(255, 59, 48, 0.2);
  transform: translateY(-2px);
}

/* 移动端优化 */
@media (max-width: 768px) {
  .toast {
    right: 10px;
    left: 10px;
    max-width: none;
    transform: translateX(0) translateY(-100px);
  }

  .toast.show {
    transform: translateX(0) translateY(0);
  }

  .history-header {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .history-stats {
    justify-content: center;
  }

  .copy-options {
    flex-wrap: wrap;
    justify-content: center;
  }

  .history-actions {
    align-items: center;
  }
}