/**
 * 主样式文件 - 密码管理器 v2
 * 现代化设计，支持动画和主题切换
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
@import './variables.css';

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition-base), color var(--transition-base);
}

/* 背景图片 - 使用现代叠加方式 */
.app-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  /* 使用图片作为背景，叠加半透明遮罩 */
  background-image: url('https://imges.zxiaolin.com/normpstw.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.15;
}

/* 使用伪元素作为深色/浅色遮罩 */
.app-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  opacity: 0.85;
}

/* 主内容区域带背景 */
.main-content {
  position: relative;
  z-index: 1;
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ========== 动画关键帧 ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50% { box-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow); }
}

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

@keyframes bounceIn {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* 动画类 */
.animate-fade-in { animation: fadeIn var(--transition-base) forwards; }
.animate-fade-in-up { animation: fadeInUp var(--transition-base) forwards; }
.animate-fade-in-down { animation: fadeInDown var(--transition-base) forwards; }
.animate-slide-in-left { animation: slideInLeft var(--transition-base) forwards; }
.animate-slide-in-right { animation: slideInRight var(--transition-base) forwards; }
.animate-scale-in { animation: scaleIn var(--transition-base) forwards; }
.animate-bounce-in { animation: bounceIn var(--transition-bounce) forwards; }

/* 交错动画 */
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }

/* ========== 认证页面 ========== */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(129, 140, 248, 0.1) 0%, transparent 50%),
    var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.auth-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 0%, transparent 50%);
  animation: rotate 60s linear infinite;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
  animation: fadeInUp var(--transition-slow) forwards;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.auth-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  animation: float 3s ease-in-out infinite;
  position: relative;
}

/* ========== 发光旋转 Logo ========== */
.auth-logo-ring {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 外圈发光旋转环 */
.auth-logo-ring::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    var(--accent-primary),
    var(--accent-secondary),
    #ec4899,
    var(--accent-primary)
  );
  animation: logoSpin 3s linear infinite;
  filter: blur(1px);
}

/* 内圈底色 */
.auth-logo-ring::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--bg-card);
  z-index: 0;
}

.auth-logo-rotate {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  z-index: 1;
  border: 2px solid transparent;
  background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
              conic-gradient(from 0deg, var(--accent-primary), var(--accent-secondary), #ec4899, var(--accent-primary)) border-box;
  animation: logoSpin 3s linear infinite;
}

.auth-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

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

/* ========== 验证码输入 ========== */
.code-send-row {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.code-inputs {
  display: flex;
  gap: 6px;
  flex: 1;
}

.code-input {
  width: 40px;
  height: 48px;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.code-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-card);
}

.code-input.filled {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
}

.code-send-row .btn-secondary {
  flex-shrink: 0;
  white-space: nowrap;
  margin-top: 0;
}

.code-timer {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.code-timer span {
  color: var(--accent-primary);
  font-weight: 600;
}


.auth-logo::after {
  content: '';
  position: absolute;
  inset: -4px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-lg);
  z-index: -1;
  filter: blur(15px);
  opacity: 0.5;
}

.auth-logo svg {
  width: 40px;
  height: 40px;
  color: white;
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ========== 表单元素 - 紧凑设计 ========== */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  transition: color var(--transition-fast);
}

.form-label:focus-within {
  color: var(--accent-primary);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: var(--font-family);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:hover:not(:focus) {
  border-color: var(--text-muted);
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b6b80' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 36px;
}

.input-group {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.input-group .form-input {
  padding-left: 40px;
}

.input-group:focus-within .input-icon {
  color: var(--accent-primary);
}

.input-action {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.input-action:hover {
  color: var(--accent-primary);
  background: var(--accent-glow);
}

.input-action svg {
  width: 16px;
  height: 16px;
}

/* ========== 按钮 - 紧凑设计 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-family);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn:active::before {
  width: 200px;
  height: 200px;
}

/* ========== 按钮动态动画 ========== */
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3); }
  50% { box-shadow: 0 4px 20px rgba(99, 102, 241, 0.6), 0 0 40px rgba(99, 102, 241, 0.2); }
}

@keyframes btnShine {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
  animation: btnPulse 2.5s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: btnShine 3s ease-in-out infinite;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
  animation-play-state: paused;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-ghost:hover {
  background: var(--bg-card-hover);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger);
  color: white;
  animation: btnPulse 2.5s ease-in-out infinite;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-2px);
  animation-play-state: paused;
}

.btn-block {
  width: 100%;
}

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

.btn-icon {
  padding: 8px;
  border-radius: var(--radius-sm);
}

/* ========== 密码强度指示器 ========== */
.password-strength {
  margin-top: var(--space-sm);
}

.strength-bar {
  height: 6px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-base), background var(--transition-base);
}

.strength-fill.weak { width: 25%; background: var(--danger); }
.strength-fill.fair { width: 50%; background: var(--warning); }
.strength-fill.good { width: 75%; background: #22c55e; }
.strength-fill.strong { width: 100%; background: var(--success); }

.strength-text {
  font-size: 0.75rem;
  margin-top: 6px;
  color: var(--text-muted);
}

/* ========== 主应用布局 ========== */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition-base);
}

.sidebar-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: transparent;
  transition: transform var(--transition-fast);
}

.sidebar-logo-icon:hover {
  transform: scale(1.05) rotate(-3deg);
}

.sidebar-logo-icon img {
  border-radius: 4px;
}

.sidebar-logo-icon svg {
  width: 18px;
  height: 18px;
  color: white;
}

.sidebar-logo-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* 主题切换按钮 */
.theme-toggle {
  position: fixed;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: rotate(15deg);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  color: var(--text-primary);
  transition: transform var(--transition-base);
}

.theme-toggle .sun,
.theme-toggle .moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon {
  display: block;
}

[data-theme="light"] .theme-toggle .sun {
  display: block;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-sm);
  overflow-y: auto;
}

.nav-section {
  margin-bottom: var(--space-md);
}

.nav-section-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: var(--space-xs) var(--space-sm);
  margin-bottom: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px var(--space-sm);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-primary);
  transform: scaleY(0);
  transition: transform var(--transition-fast);
}

.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  transform: translateX(2px);
}

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent-primary);
}

.nav-item.active::before {
  transform: scaleY(1);
}

.nav-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.nav-item:hover svg {
  transform: scale(1.1);
}

.nav-item-count {
  margin-left: auto;
  background: var(--bg-input);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.nav-item-edit {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-xs);
  margin-left: auto;
  transition: all var(--transition-fast);
}

.nav-item:hover .nav-item-count,
.nav-item.active .nav-item-count {
  background: var(--accent-primary);
  color: white;
}

.nav-item:hover .nav-item-edit {
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-item-edit:hover {
  background: var(--bg-input);
  color: var(--accent-primary);
}

/* 侧边栏底部 */
.sidebar-footer {
  padding: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: white;
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.user-avatar:hover {
  transform: scale(1.05);
}

.user-name {
  flex: 1;
}

.user-name-text {
  font-weight: 600;
  font-size: 0.85rem;
}

.user-status {
  font-size: 0.75rem;
  color: var(--success);
  display: flex;
  align-items: center;
  gap: 4px;
}

.user-status::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: 280px;
  padding: var(--space-lg);
  min-height: 100vh;
  transition: margin-left var(--transition-base);
}

/* 顶部栏 - 紧凑设计 */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  animation: fadeInDown var(--transition-base) forwards;
}

.topbar-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  width: 240px;
  transition: all var(--transition-fast);
}

.search-box:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box svg {
  color: var(--text-muted);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.search-box:focus-within svg {
  color: var(--accent-primary);
}

.search-box input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

/* ========== 密码卡片网格 - 4列紧凑布局 ========== */
.password-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

/* 紧凑型密码卡片 - shadcn 风格 */
.password-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  animation: fadeInUp var(--transition-base) forwards;
  opacity: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.password-card:nth-child(1) { animation-delay: 30ms; }
.password-card:nth-child(2) { animation-delay: 60ms; }
.password-card:nth-child(3) { animation-delay: 90ms; }
.password-card:nth-child(4) { animation-delay: 120ms; }
.password-card:nth-child(5) { animation-delay: 150ms; }
.password-card:nth-child(6) { animation-delay: 180ms; }

.password-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
}

/* 卡片头部区域 */
.password-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: 0;
}

.password-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.password-icon:hover {
  transform: scale(1.08);
}

.password-icon .edit-icon {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
  color: white;
  font-size: 0.75rem;
}

.password-icon:hover .edit-icon {
  opacity: 1;
}

.password-info {
  flex: 1;
  min-width: 0;
}

.password-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

.password-card:hover .password-title {
  color: var(--accent-primary);
}

.password-username {
  color: var(--text-secondary);
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 4px;
}

.password-username svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  opacity: 0.6;
}

/* 分类标签 */
.password-category {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: var(--bg-input);
  border-radius: var(--radius-xs);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 3px;
  font-weight: 500;
}

/* URL 链接 */
.password-url {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.password-url svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  opacity: 0.6;
}

/* 备注显示区域 */
.password-notes {
  margin-top: var(--space-xs);
  padding: var(--space-xs);
  background: var(--bg-input);
  border-radius: var(--radius-xs);
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
}

.password-notes::before {
  content: '备注';
  display: block;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.password-notes:empty {
  display: none;
}

/* 操作按钮区域 - 紧凑横排 */
.password-card-actions {
  display: flex;
  gap: 4px;
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
  border-top: 1px solid var(--border-color);
}

.password-card-actions .btn {
  flex: 1;
  padding: 6px 4px;
  font-size: 0.7rem;
  gap: 2px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
}

.password-card-actions .btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.password-card-actions .btn svg {
  width: 12px;
  height: 12px;
}

.password-card-actions .btn-copy-user {
  color: var(--accent-primary);
}

.password-card-actions .btn-copy-pass {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border-color: transparent;
}

.password-card-actions .btn-copy-pass:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ========== 模态框 - 紧凑设计 ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: var(--space-md);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.modal-title svg {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--danger-bg);
  color: var(--danger);
  transform: rotate(90deg);
}

.modal-close svg {
  width: 18px;
  height: 18px;
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
}

/* 头像选择器 */
.icon-picker {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.icon-option {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-option:hover {
  border-color: var(--accent-primary);
  transform: scale(1.1);
}

.icon-option.selected {
  border-color: var(--accent-primary);
  background: var(--accent-glow);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.color-picker {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  flex-wrap: wrap;
}

.color-option {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.color-option:hover {
  transform: scale(1.15);
}

.color-option.selected {
  border-color: white;
  box-shadow: 0 0 0 2px var(--accent-primary);
}

/* ========== 统计卡片 - 超紧凑设计 ========== */
.stats-grid {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
  animation: fadeInUp var(--transition-base) forwards;
  opacity: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-card:nth-child(1) { animation-delay: 0ms; }
.stat-card:nth-child(2) { animation-delay: 40ms; }
.stat-card:nth-child(3) { animation-delay: 80ms; }

.stat-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

.stat-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.stat-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-icon {
  width: 18px;
  height: 18px;
  background: var(--accent-glow);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.stat-icon svg {
  width: 10px;
  height: 10px;
}

/* ========== 空状态 ========== */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) * 2;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}

.empty-state-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-lg);
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 3s ease-in-out infinite;
}

.empty-state-icon svg {
  width: 60px;
  height: 60px;
  color: var(--accent-primary);
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

/* ========== Toast 通知 ========== */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 280px;
  animation: slideInRight var(--transition-base) forwards;
  border-left: 4px solid var(--accent-primary);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

.toast svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast.success svg { color: var(--success); }
.toast.error svg { color: var(--danger); }
.toast.warning svg { color: var(--warning); }

/* ========== 加载状态 ========== */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: rotate 0.8s linear infinite;
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-input) 0%, var(--bg-card-hover) 50%, var(--bg-input) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .password-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .auth-card {
    padding: var(--space-lg);
  }
  
  .topbar {
    flex-direction: column;
    gap: var(--space-md);
    align-items: stretch;
  }
  
  .search-box {
    width: 100%;
  }
  
  .modal {
    margin: var(--space-md);
    max-height: calc(100vh - var(--space-xl));
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
  
  .toast {
    min-width: auto;
  }
}

/* ========== 辅助类 ========== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }