/* ============================================================
   CZR UI -- 超自然 - 清爽蓝白主题
   低饱和 - 克制配色 - 平滑动画
   ============================================================ */

/* ---------- 涓婚鍙橀噺 (CSS Custom Properties) 鈥?澶忓娓呯埥钃濈櫧 ---------- */
:root {
  color-scheme: light only;
  --czr-bg: #f5f8fa;
  --czr-bg-gradient: linear-gradient(160deg, #f5f8fa 0%, #e8eef3 100%);
  --czr-surface: rgba(255, 255, 255, 0.82);
  --czr-surface-border: rgba(160, 180, 191, 0.20);
  --czr-card-bg: rgba(255, 255, 255, 0.92);
  --czr-card-shadow: 0 2px 12px rgba(110, 139, 158, 0.08);
  --czr-card-shadow-hover: 0 8px 28px rgba(110, 139, 158, 0.15);

  --czr-primary: #6e8b9e;
  --czr-primary-hover: #5d7b8e;
  --czr-primary-subtle: rgba(110, 139, 158, 0.10);
  --czr-primary-light: #cad8e0;

  --czr-secondary: #a0b4bf;
  --czr-accent: #7d96a8;
  --czr-neutral: #7a8e98;
  --czr-text: #34454f;
  --czr-text-secondary: #6a7e88;

  --czr-nav-bg: rgba(255, 255, 255, 0.88);
  --czr-nav-border: rgba(160, 180, 191, 0.20);
  --czr-nav-active: #6e8b9e;
  --czr-nav-inactive: #8ea3ae;

  --czr-danger: #c48b7a;
  --czr-warning: #c4a97a;
  --czr-success: #6e8b9e;

  --czr-border: rgba(160, 180, 191, 0.20);
  --czr-input-bg: rgba(255, 255, 255, 0.85);
  --czr-input-border: rgba(160, 180, 191, 0.35);
  --czr-input-focus: rgba(110, 139, 158, 0.25);

  --czr-radius: 16px;
  --czr-radius-sm: 10px;
  --czr-radius-lg: 24px;

  --czr-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --czr-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --czr-shadow-sm: 0 1px 4px rgba(140, 150, 120, 0.06);

  /* 绮掑瓙棰滆壊 */
  --czr-particle: rgba(160, 195, 215, 0.40);
  --czr-particle-secondary: rgba(200, 215, 225, 0.30);
}
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--czr-bg-gradient);
  color: var(--czr-text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--czr-transition), color var(--czr-transition);
}

/* ---------- 婊氬姩鏉?---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--czr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--czr-neutral); }

/* ---------- 绮掑瓙鐢诲竷 ---------- */
#czr-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
  transition: opacity 0.8s ease;
}

/* ---------- 椤甸潰鍐呭 (缃簬绮掑瓙涔嬩笂) ---------- */
.czr-content {
  position: relative;
  z-index: 1;
}

/* ---------- 椤堕儴鐢ㄦ埛鍗＄墖 ---------- */
.czr-header-wrap {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 16px 16px;
}
.czr-header-card {
  background: var(--czr-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--czr-radius);
  border: 1px solid var(--czr-surface-border);
  box-shadow: 0 2px 16px rgba(110, 139, 158, 0.08);
  animation: fadeInUp 0.4s ease both;
  transition: box-shadow var(--czr-transition), border-color var(--czr-transition);
  overflow: hidden;
}
.czr-header-card:hover {
  box-shadow: 0 4px 24px rgba(110, 139, 158, 0.12);
}

.czr-header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
}

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

.czr-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}
.czr-avatar-img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--czr-card-bg);
  box-shadow: 0 0 0 2px var(--czr-primary-subtle);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.czr-avatar-img:hover {
  transform: scale(1.05);
  box-shadow: 0 0 0 2px var(--czr-primary), 0 4px 12px rgba(0,0,0,0.08);
}
.czr-avatar-dot {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--czr-success);
  border: 2px solid var(--czr-card-bg);
}

.czr-user-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--czr-text);
  margin: 0 0 5px;
  letter-spacing: 0.2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.czr-header-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.czr-header-badges .czr-badge {
  font-size: 0.68rem;
  padding: 2px 9px;
  border-radius: 20px;
  font-weight: 500;
  background: var(--czr-primary-subtle);
  color: var(--czr-primary);
}
.czr-header-badges .czr-badge i {
  font-size: 0.55rem;
  opacity: 0.7;
}

.czr-user-expire {
  font-size: 0.72rem;
  color: var(--czr-text-secondary);
  margin: 5px 0 0;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.75;
}
.czr-user-expire i {
  font-size: 0.65rem;
}
.czr-user-expire a,
.czr-header-info a {
  color: inherit;
  text-decoration: none;
  pointer-events: none;
}

.czr-logout-btn {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: var(--czr-primary-subtle);
  color: var(--czr-primary);
  font-size: 0.95rem;
}
.czr-logout-btn:hover {
  background: var(--czr-primary);
  color: #fff;
}

/* ---------- 广告条 ---------- */
.czr-ad-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 18px;
  border-radius: var(--czr-radius);
  background: #ffffff;
  color: #6e8b9e;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.4;
  box-shadow: 0 2px 12px rgba(110, 139, 158, 0.28);
  animation: fadeInUp 0.4s ease 0.1s both;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.czr-ad-bar:hover {
  box-shadow: 0 4px 18px rgba(110, 139, 158, 0.38);
  transform: translateY(-1px);
}
.czr-ad-bar-icon {
  font-size: 0.85rem;
  flex-shrink: 0;
}
.czr-ad-bar-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.czr-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--czr-primary-subtle);
  transition: border-color var(--czr-transition), transform 0.3s ease;
}
.czr-avatar:hover {
  transform: scale(1.04);
}

.czr-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--czr-primary-subtle);
  color: var(--czr-primary);
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 500;
  transition: background var(--czr-transition), color var(--czr-transition);
}

.czr-btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.03);
  color: var(--czr-text-secondary);
  border: none;
  cursor: pointer;
  transition: background var(--czr-transition-fast), color var(--czr-transition-fast), transform 0.2s ease;
  font-size: 1.1rem;
}
.czr-btn-icon:hover {
  background: rgba(0,0,0,0.06);
  color: var(--czr-primary);
  transform: scale(1.08);
}
.czr-btn-icon:active {
  transform: scale(0.94);
}

/* ---------- 鍗＄墖閫氱敤 ---------- */
.czr-card {
  background: var(--czr-card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--czr-radius);
  box-shadow: var(--czr-card-shadow);
  border: 1px solid var(--czr-surface-border);
  transition: background var(--czr-transition), box-shadow var(--czr-transition),
              border-color var(--czr-transition), transform 0.3s ease;
  animation: fadeInUp 0.45s ease both;
}

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

.czr-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--czr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--czr-primary-subtle);
  color: var(--czr-primary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: background var(--czr-transition), color var(--czr-transition),
              border-color var(--czr-transition);
}

.czr-card-body {
  padding: 12px 0;
}

/* ---------- 鍒楄〃椤?---------- */
.czr-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  cursor: pointer;
  border-bottom: 1px solid var(--czr-border);
  transition: background var(--czr-transition-fast), padding-left 0.25s ease;
  color: var(--czr-text);
  text-decoration: none;
}
.czr-list-item:last-child {
  border-bottom: none;
}
.czr-list-item:hover {
  background: var(--czr-primary-subtle);
  padding-left: 24px;
}
.czr-list-item:active {
  background: rgba(0,0,0,0.03);
}

/* ---------- 搴曢儴瀵艰埅 ---------- */
.czr-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--czr-nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--czr-nav-border);
  padding: 8px 0;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  z-index: 100;
  transition: background var(--czr-transition), border-color var(--czr-transition);
}

.czr-nav-inner {
  display: flex;
  justify-content: space-around;
  max-width: 480px;
  margin: 0 auto;
}

.czr-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  color: var(--czr-nav-inactive);
  font-size: 0.65rem;
  padding: 4px 16px;
  border-radius: 8px;
  transition: color var(--czr-transition-fast), transform 0.2s ease;
  position: relative;
}
.czr-nav-item i {
  font-size: 1.25rem;
  transition: transform 0.25s ease;
}
.czr-nav-item:hover {
  color: var(--czr-nav-active);
}
.czr-nav-item:hover i {
  transform: translateY(-2px);
}
.czr-nav-item.active {
  color: var(--czr-nav-active);
}
.czr-nav-item.active::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 2px;
  background: var(--czr-nav-active);
  animation: navDotIn 0.3s ease;
}

/* ---------- 鎸夐挳 ---------- */
.czr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--czr-radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--czr-transition-fast);
  text-decoration: none;
}

.czr-btn-primary {
  background: var(--czr-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.czr-btn-primary:hover {
  background: var(--czr-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}
.czr-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.czr-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.czr-btn-ghost {
  background: transparent;
  color: var(--czr-text-secondary);
  border: 1px solid var(--czr-border);
}
.czr-btn-ghost:hover {
  background: var(--czr-primary-subtle);
  border-color: var(--czr-primary);
  color: var(--czr-primary);
}

/* ---------- 琛ㄥ崟 ---------- */
.czr-input {
  width: 100%;
  padding: 12px 16px 12px 40px;
  border-radius: var(--czr-radius-sm);
  border: 1px solid var(--czr-input-border);
  background: var(--czr-input-bg);
  color: var(--czr-text);
  font-size: 0.95rem;
  transition: border-color var(--czr-transition-fast), box-shadow var(--czr-transition-fast),
              background var(--czr-transition);
  outline: none;
}
.czr-input:focus {
  border-color: var(--czr-primary);
  box-shadow: 0 0 0 3px var(--czr-input-focus);
}

.czr-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--czr-neutral);
  font-size: 0.95rem;
  transition: color var(--czr-transition-fast);
}
.czr-input-wrapper:focus-within .czr-input-icon {
  color: var(--czr-primary);
}

.czr-select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--czr-radius-sm);
  border: 1px solid var(--czr-input-border);
  background-color: var(--czr-input-bg);
  color: var(--czr-text);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color var(--czr-transition-fast), box-shadow var(--czr-transition-fast);
  outline: none;
}
.czr-select:focus {
  border-color: var(--czr-primary);
  box-shadow: 0 0 0 3px var(--czr-input-focus);
}


/* ---------- 鎻愮ず妗?---------- */
.czr-tip {
  background: var(--czr-primary-subtle);
  border: 1px solid var(--czr-border);
  border-radius: var(--czr-radius-sm);
  padding: 14px 16px;
  font-size: 0.85rem;
  color: var(--czr-text-secondary);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  transition: background var(--czr-transition), border-color var(--czr-transition),
              color var(--czr-transition);
}
.czr-tip i {
  color: var(--czr-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

/* ---------- 鍔ㄧ敾鍏抽敭甯?---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes navDotIn {
  from { width: 0; opacity: 0; }
  to   { width: 20px; opacity: 1; }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

/* ---------- 瀹炵敤宸ュ叿 ---------- */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.10s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.20s; }
.stagger-5 { animation-delay: 0.25s; }

/* 瀹夊叏鍖洪€傞厤 */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .czr-nav { padding-bottom: calc(8px + env(safe-area-inset-bottom)); }
}

/* ---------- 登录页专用 ---------- */
.czr-login-card {
  background: var(--czr-card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--czr-radius-lg);
  box-shadow: 0 8px 40px rgba(0,0,0,0.06);
  border: 1px solid var(--czr-surface-border);
  width: 100%;
  max-width: 420px;
  animation: fadeInUp 0.5s ease both;
  transition: background var(--czr-transition), border-color var(--czr-transition);
}
.czr-login-header {
  padding: 32px 28px 20px;
  text-align: center;
}
.czr-login-header h1 {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--czr-primary);
  margin: 0 0 4px;
  transition: color var(--czr-transition);
}
.czr-login-header p {
  color: var(--czr-text-secondary);
  font-size: 0.9rem;
  margin: 0;
}
.czr-login-body {
  padding: 0 28px 28px;
}

/* ---------- 寮€鍏崇粍浠?---------- */
.czr-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.czr-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.czr-switch .slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--czr-border);
  border-radius: 24px;
  transition: background var(--czr-transition-fast);
}
.czr-switch .slider::before {
  content: '';
  position: absolute;
  left: 3px;
  bottom: 3px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--czr-transition-fast);
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}
.czr-switch input:checked + .slider {
  background: var(--czr-primary);
}
.czr-switch input:checked + .slider::before {
  transform: translateX(20px);
}

/* ---------- 鏍囩椤?閫夐」鎸夐挳 ---------- */
.czr-tab-group {
  display: flex;
  background: var(--czr-surface);
  border-radius: var(--czr-radius-sm);
  padding: 3px;
  border: 1px solid var(--czr-border);
  transition: background var(--czr-transition), border-color var(--czr-transition);
}
.czr-tab {
  flex: 1;
  padding: 8px 12px;
  text-align: center;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--czr-text-secondary);
  cursor: pointer;
  transition: all var(--czr-transition-fast);
  border: none;
  background: transparent;
}
.czr-tab.active {
  background: var(--czr-card-bg);
  color: var(--czr-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.czr-tab:hover:not(.active) {
  color: var(--czr-text);
}

/* ---------- 鑷畾涔夊脊绐?---------- */
.czr-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.czr-modal {
  background: var(--czr-card-bg);
  backdrop-filter: blur(16px);
  border-radius: var(--czr-radius);
  box-shadow: 0 16px 48px rgba(0,0,0,0.15);
  max-width: 380px;
  width: 100%;
  padding: 28px 24px 20px;
  text-align: center;
  animation: modalIn 0.25s ease;
  border: 1px solid var(--czr-surface-border);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.czr-modal-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 1.3rem;
}
.czr-modal-icon.success { background: rgba(110,139,158,0.12); color: var(--czr-primary); }
.czr-modal-icon.error   { background: rgba(196,139,122,0.12); color: var(--czr-danger); }
.czr-modal-icon.warning { background: rgba(196,169,122,0.12); color: var(--czr-warning); }
.czr-modal-icon.info    { background: rgba(110,139,158,0.12); color: var(--czr-primary); }

.czr-modal-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--czr-text);
  margin: 0 0 8px;
}
.czr-modal-text {
  font-size: 0.88rem;
  color: var(--czr-text-secondary);
  margin: 0 0 20px;
  line-height: 1.5;
  white-space: pre-wrap;
}

.czr-modal-buttons {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.czr-modal-buttons .czr-btn { min-width: 90px; padding: 10px 20px; font-size: 0.88rem; }

.czr-modal-loading {
  padding: 12px;
}
.czr-modal-loading .czr-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--czr-border);
  border-top-color: var(--czr-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.czr-modal-loading-text {
  font-size: 0.9rem;
  color: var(--czr-text-secondary);
}