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

:root {
  --bg-dark: #0a0a1a;
  --bg-card: rgba(255,255,255,0.05);
  --glass: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.12);
  --text: #e8e8f0;
  --text-dim: rgba(255,255,255,0.5);
  --accent: #7c6af7;
  --accent2: #f06292;
  --shadow: 0 20px 60px rgba(0,0,0,0.5);
  --modal-bg: #12122a;
}

/* ===== 黑客帝国主题 ===== */
body.theme-matrix {
  --bg-dark: #000000;
  --bg-card: rgba(0,255,0,0.05);
  --glass: rgba(0,255,0,0.08);
  --border: rgba(0,255,0,0.3);
  --text: #00ff00;
  --text-dim: rgba(0,255,0,0.6);
  --accent: #00ff00;
  --accent2: #00cc00;
  --shadow: 0 20px 60px rgba(0,255,0,0.4);
  --modal-bg: #000a00;
}

body.theme-matrix .logo {
  background: linear-gradient(135deg, #00ff00, #00cc00, #009900);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 10px rgba(0,255,0,0.5);
}

body.theme-matrix .btn-primary {
  background: linear-gradient(135deg, #009900, #00ff00);
  box-shadow: 0 4px 20px rgba(0,255,0,0.4);
  border: 1px solid #00ff00;
}
body.theme-matrix .btn-primary:hover {
  box-shadow: 0 8px 30px rgba(0,255,0,0.7);
  text-shadow: 0 0 10px #00ff00;
}

body.theme-matrix .btn-ghost {
  border-color: rgba(0,255,0,0.3);
  color: #00ff00;
}
body.theme-matrix .btn-ghost:hover {
  background: rgba(0,255,0,0.15);
  border-color: #00ff00;
}

body.theme-matrix .stat-num {
  background: linear-gradient(135deg, #00ff00, #00cc00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(0,255,0,0.3);
}

body.theme-matrix .modal-title {
  background: linear-gradient(135deg, #00ff00, #00cc00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 10px rgba(0,255,0,0.5);
}

body.theme-matrix .modal {
  background: var(--modal-bg);
  border-color: rgba(0,255,0,0.4);
  box-shadow: 0 40px 100px rgba(0,255,0,0.3), 0 0 0 1px rgba(0,255,0,0.1), 0 0 60px rgba(0,255,0,0.1) inset;
}

body.theme-matrix .modal-close {
  border-color: rgba(0,255,0,0.3);
  color: #00ff00;
}
body.theme-matrix .modal-close:hover {
  background: rgba(0,255,0,0.2);
  border-color: #00ff00;
}

body.theme-matrix .navbar {
  background: rgba(0,0,0,0.95);
  border-bottom-color: rgba(0,255,0,0.3);
  box-shadow: 0 0 20px rgba(0,255,0,0.2);
}

body.theme-matrix .search-box {
  background: rgba(0,255,0,0.05);
  border-color: rgba(0,255,0,0.3);
  color: #00ff00;
}
body.theme-matrix .search-box:focus {
  border-color: #00ff00;
  box-shadow: 0 0 0 3px rgba(0,255,0,0.3);
}

body.theme-matrix .form-input,
body.theme-matrix .form-textarea {
  background: rgba(0,255,0,0.05);
  border-color: rgba(0,255,0,0.3);
  color: #00ff00;
}
body.theme-matrix .form-input:focus,
body.theme-matrix .form-textarea:focus {
  border-color: #00ff00;
  box-shadow: 0 0 0 3px rgba(0,255,0,0.3);
  background: rgba(0,255,0,0.1);
}

body.theme-matrix .card-front::before {
  background: var(--card-color, linear-gradient(90deg, #00ff00, #00cc00));
}

body.theme-matrix .card-back {
  background: linear-gradient(135deg, rgba(0,255,0,0.15), rgba(0,204,0,0.1));
}

body.theme-matrix .option-btn {
  border-color: rgba(0,255,0,0.3);
  color: #00ff00;
}
body.theme-matrix .option-btn:hover,
body.theme-matrix .option-btn.active {
  border-color: #00ff00;
  background: rgba(0,255,0,0.2);
  color: #00ff00;
  text-shadow: 0 0 5px #00ff00;
}

body.theme-matrix .user-avatar {
  background: linear-gradient(135deg, #00ff00, #00cc00);
  box-shadow: 0 0 15px rgba(0,255,0,0.4);
}

body.theme-matrix .user-dropdown {
  border-color: rgba(0,255,0,0.4);
  box-shadow: 0 15px 40px rgba(0,255,0,0.4);
}

body.theme-matrix .user-dropdown-item.logout {
  color: #00ff00;
}

body.theme-matrix .toast {
  background: #000a00;
  border-color: rgba(0,255,0,0.4);
}
body.theme-matrix .toast.success { border-color: rgba(0,255,0,0.5); }
body.theme-matrix .toast.error { border-color: rgba(255,0,0,0.5); }

/* Matrix 数字雨效果 */
body.theme-matrix #stars-canvas {
  opacity: 0.8;
}

body.theme-matrix::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,0,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
}

/* Matrix 扫描线效果 */
body.theme-matrix .card-front::after {
  content: '';
  position: absolute;
  top: -100%;
  left: -60%;
  width: 40%;
  height: 300%;
  background: linear-gradient(105deg, transparent 40%, rgba(0,255,0,0.1) 50%, transparent 60%);
  animation: matrixScan 3s linear infinite;
  pointer-events: none;
}
@keyframes matrixScan {
  0%   { left: -60%; }
  100% { left: 160%; }
}

/* Matrix 闪烁效果 */
@keyframes matrixBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

body.theme-matrix .card-title {
  animation: matrixBlink 4s ease-in-out infinite;
}

/* ===== 蓝色科技风主题 ===== */
body.theme-tech {
  --bg-dark: #020c1b;
  --bg-card: rgba(0,200,255,0.04);
  --glass: rgba(0,200,255,0.07);
  --border: rgba(0,200,255,0.18);
  --text: #cde8ff;
  --text-dim: rgba(100,200,255,0.55);
  --accent: #00c8ff;
  --accent2: #0066ff;
  --shadow: 0 20px 60px rgba(0,100,255,0.3);
  --modal-bg: #030f20;
}

body.theme-tech .logo {
  background: linear-gradient(135deg, #00c8ff, #0066ff, #00ffcc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body.theme-tech .btn-primary {
  background: linear-gradient(135deg, #0066ff, #00c8ff);
  box-shadow: 0 4px 20px rgba(0,150,255,0.45);
}
body.theme-tech .btn-primary:hover {
  box-shadow: 0 8px 30px rgba(0,200,255,0.65);
}

body.theme-tech .stat-num {
  background: linear-gradient(135deg, #00c8ff, #00ffcc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body.theme-tech .modal-title {
  background: linear-gradient(135deg, #00c8ff, #0066ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body.theme-tech .modal {
  background: var(--modal-bg);
  border-color: rgba(0,200,255,0.25);
  box-shadow: 0 40px 100px rgba(0,80,200,0.4), 0 0 0 1px rgba(0,200,255,0.08), 0 0 60px rgba(0,150,255,0.08) inset;
}

body.theme-tech .navbar {
  background: rgba(2,12,27,0.9);
  border-bottom-color: rgba(0,200,255,0.15);
}

body.theme-tech .card-front::before {
  background: var(--card-color, linear-gradient(90deg, #0066ff, #00c8ff));
}

body.theme-tech .card-back {
  background: linear-gradient(135deg, rgba(0,100,255,0.18), rgba(0,200,255,0.12));
}

body.theme-tech .form-input:focus,
body.theme-tech .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.18);
}

body.theme-tech .search-box:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.18);
}

/* 科技风扫光动画 */
body.theme-tech .card-front::after {
  content: '';
  position: absolute;
  top: -100%;
  left: -60%;
  width: 40%;
  height: 300%;
  background: linear-gradient(105deg, transparent 40%, rgba(0,200,255,0.08) 50%, transparent 60%);
  animation: techScan 4s linear infinite;
  pointer-events: none;
}
@keyframes techScan {
  0%   { left: -60%; }
  100% { left: 160%; }
}

/* 科技风网格背景叠加 */
body.theme-tech #stars-canvas {
  opacity: 0.5;
}
body.theme-tech::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* 科技风 toast */
body.theme-tech .toast {
  background: #030f20;
  border-color: rgba(0,200,255,0.3);
}
body.theme-tech .toast.success { border-color: rgba(0,255,200,0.4); }
body.theme-tech .toast.error   { border-color: rgba(0,100,255,0.4); }

body {
  background: var(--bg-dark);
  color: var(--text);
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== 3D 星空背景 ===== */
#stars-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===== 顶部导航 ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,26,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #7c6af7, #f06292, #42d4f4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-img {
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
  box-shadow: 0 2px 8px rgba(124,106,247,0.3);
}

body.theme-tech .logo-img {
  box-shadow: 0 2px 8px rgba(0,200,255,0.3);
}

.modal-logo {
  height: 20px;
  vertical-align: middle;
  margin-right: 6px;
  border-radius: 4px;
  object-fit: cover;
}

/* 登录注册模态框专用 logo 样式 */
#authModal .modal-logo {
  display: block;
  width: 150px;
  height: 150px;
  margin: 0 auto 1.5rem auto;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

#authModal .modal-title {
  display: block;
  text-align: center;
  margin-bottom: 1rem;
}

#authModal .modal-title img {
  display: block;
  width: 150px;
  height: 150px;
  margin: 0 auto 1rem auto;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

#authModal .modal-header {
  flex-direction: column;
  align-items: center;
  margin-bottom: 1rem;
}

.logo img {
  height: 36px;
  width: 36px;
  object-fit: contain;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-box {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 0.4rem 1rem;
  color: var(--text);
  font-size: 0.9rem;
  width: 220px;
  outline: none;
  transition: all 0.3s;
}
.search-box:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,106,247,0.2);
  width: 280px;
}
.search-box::placeholder { color: var(--text-dim); }

.btn {
  padding: 0.5rem 1.2rem;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn span {
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #7c6af7, #f06292);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,106,247,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,106,247,0.6);
}
.btn-ghost {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); }
.btn-danger {
  background: rgba(240,98,146,0.15);
  color: #f06292;
  border: 1px solid rgba(240,98,146,0.3);
}
.btn-danger:hover { background: rgba(240,98,146,0.3); }

/* ===== 主内容区 ===== */
.main {
  position: relative;
  z-index: 1;
  max-width: 1600px;
  margin: 0 auto;
  padding: 2rem;
}

/* ===== 统计栏 ===== */
.stats-bar {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: nowrap;
  width: 100%;
}
.stat-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.75rem 1rem;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  width: calc(25% - 0.75rem);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
.stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, #7c6af7, #42d4f4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.1rem;
  line-height: 1.2;
}

/* ===== 日记网格 ===== */
.diary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  perspective: 1200px;
}

/* ===== 3D 日记卡片 ===== */
.card-wrapper {
  perspective: 800px;
  height: 260px;
}

.card-3d {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.card-wrapper:hover .card-3d {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
}

/* 正面 */
.card-front {
  background: var(--glass);
  backdrop-filter: blur(20px);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.card-thumbnail {
  width: 100%;
  height: 120px;
  margin-bottom: 1rem;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.card-front::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--card-color, linear-gradient(90deg, #7c6af7, #f06292));
}

.card-date {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-preview {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.mood-badge {
  font-size: 1.2rem;
}

.card-hint {
  font-size: 0.7rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* 背面 */
.card-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, rgba(124,106,247,0.2), rgba(240,98,146,0.2));
  backdrop-filter: blur(20px);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-back-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-back-meta {
  display: flex;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
}

.card-back-content {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.7;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
}

.card-back-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}

.card-back-author {
  font-size: 0.8rem;
  color: var(--accent);
}

.card-back-view {
  font-size: 0.8rem;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  border-radius: 20px;
  background: var(--glass);
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.card-back-view:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.card-author {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.card-back-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.card-back-actions .btn {
  flex: 1;
  justify-content: center;
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
}

/* ===== 空状态 ===== */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 2rem;
}
.empty-icon {
  font-size: 5rem;
  margin-bottom: 1rem;
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}
.empty-text { font-size: 1.2rem; color: var(--text-dim); }

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--modal-bg, #12122a);
  border: 1px solid var(--border);
  border-radius: 24px;
  width: 90%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 40px 100px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
}
.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.modal-title {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, #7c6af7, #f06292);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.modal-close {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.modal-close:hover { background: rgba(240,98,146,0.2); border-color: #f06292; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
  font-weight: 500;
}
.form-input, .form-textarea {
  width: 100%;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 1rem;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.3s;
  font-family: inherit;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,106,247,0.2);
  background: rgba(255,255,255,0.08);
}
.form-textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.7;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.option-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.option-btn {
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
}
.option-btn:hover, .option-btn.active {
  border-color: var(--accent);
  background: rgba(124,106,247,0.2);
  color: #fff;
}

.color-picker-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.color-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.color-dot:hover, .color-dot.active {
  border-color: #fff;
  transform: scale(1.2);
}

.form-actions {
  display: flex;
  gap: 0.8rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

/* ===== 详情模态框 ===== */
.detail-header {
  padding: 1.5rem;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}
.detail-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--detail-color, linear-gradient(135deg, #7c6af7, #f06292));
  opacity: 0.15;
}
.detail-title {
  font-size: 1.5rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
}
.detail-meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  position: relative;
  z-index: 1;
}
.detail-content {
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.85);
  word-break: break-word;
}

.detail-author {
  font-size: 0.9rem;
  color: var(--accent);
}

.detail-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border);
}

.detail-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.detail-actions .btn {
  flex: 1;
}

.detail-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 10px 0;
}

.detail-content pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 15px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 10px 0;
  font-family: 'Courier New', monospace;
  font-size: 14px;
}

.detail-content code {
  background: rgba(255,255,255,0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}

.detail-content blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 15px;
  margin: 10px 0;
  color: var(--text-dim);
}

.detail-content ul, .detail-content ol {
  margin: 10px 0;
  padding-left: 20px;
}

.detail-content li {
  margin: 5px 0;
}

.detail-content h1, .detail-content h2, .detail-content h3 {
  margin: 15px 0 10px 0;
  color: var(--text);
}

.detail-content h1 { font-size: 1.5em; }
.detail-content h2 { font-size: 1.3em; }
.detail-content h3 { font-size: 1.1em; }

.detail-content p {
  margin: 10px 0;
}

/* ===== 加载动画 ===== */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  grid-column: 1 / -1;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Toast 通知 ===== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.toast {
  background: #1e1e3a;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem 1.2rem;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.3s ease;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.toast.success { border-color: rgba(66,212,244,0.4); }
.toast.error { border-color: rgba(240,98,146,0.4); }
@keyframes slideIn {
  from { transform: translateX(100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  /* 导航栏优化 - 三行布局 */
  .navbar { 
    padding: 0.8rem 1rem; 
    height: auto;
    flex-direction: column;
    gap: 0.8rem;
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  }
  
  /* 第 1 行：logo 和程序名称 */
  .logo { 
    width: 100%;
    justify-content: center;
    font-size: 1.3rem; 
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  }
  .logo-img { 
    height: 36px; 
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
  }
  
  /* 第 2 行：搜索和风格按钮 */
  .nav-search-row {
    width: 100%;
    display: flex;
    gap: 0.6rem;
    flex-wrap: nowrap;
  }
  
  /* 搜索框优化 */
  .search-box {
    flex: 1;
    min-width: 0;
    border-radius: 25px;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    transition: all 0.3s ease;
  }
  .search-box:focus {
    background: rgba(255,255,255,0.12);
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(124,106,247,0.3);
  }
  
  /* 风格按钮优化 */
  #themeToggleBtn {
    white-space: nowrap;
    font-size: 0.8rem;
    padding: 0.5rem 0.8rem;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border: none;
    box-shadow: 0 3px 10px rgba(124,106,247,0.4);
    transition: all 0.3s ease;
  }
  #themeToggleBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(124,106,247,0.5);
  }
  
  /* 第 3 行：头像和昵称在最左侧，登录和写日记按钮在最右侧 */
  .nav-user-row {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: nowrap;
  }
  
  .user-area {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    padding: 0;
  }
  .user-area:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(124,106,247,0.4);
    background: transparent;
  }
  
  .user-nickname {
    display: none;
  }
  
  /* 登录和写日记按钮优化 */
  .loginBtn, .writeDiaryBtn {
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 3px 12px rgba(0,0,0,0.3);
  }
  .writeDiaryBtn {
    background: linear-gradient(135deg, #00ff88, #00cc6a);
    border: none;
    box-shadow: 0 3px 15px rgba(0,255,136,0.4);
  }
  .writeDiaryBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,255,136,0.5);
  }
  
  .user-info-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
  }
  
  .user-avatar-img {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    max-width: 100% !important;
    max-height: 100% !important;
  }
  
  .user-nickname-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
  }
  
  .user-dropdown {
    position: static;
    width: auto;
    max-width: none;
    margin-left: 0;
  }
  
  .user-dropdown-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .user-dropdown-info {
    display: flex;
    flex-direction: column;
  }
  
  .user-dropdown-name {
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  .user-dropdown-phone {
    font-size: 0.8rem;
  }
  
  .user-dropdown-item {
    display: none;
  }
  
  .user-dropdown-divider {
    display: none;
  }
  
  .writeDiaryBtn {
    width: auto;
    padding: 0.5rem 1rem;
  }
  
  .loginBtn {
    width: auto;
    padding: 0.5rem 1rem;
  }
  
  /* 搜索框优化 */
  .search-box { 
    width: 100%; 
    max-width: none;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
  }
  .search-box:focus { width: 100%; max-width: none; }
  
  /* 按钮优化 */
  .btn { 
    padding: 0.4rem 0.8rem; 
    font-size: 0.8rem;
  }
  
  /* 日记网格优化 - 手机端每行显示1个卡片 */
  .diary-grid { 
    grid-template-columns: 1fr; 
  }
}

/* ===== 电脑端样式 ===== */
@media (min-width: 769px) {
  /* 导航栏保持横向布局 */
  .navbar {
    flex-direction: row;
    height: 64px;
  }
  
  /* 第1行：logo */
  .logo {
    width: auto;
  }
  
  /* 第2行：搜索和风格按钮 */
  .nav-search-row {
    width: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  /* 第3行：用户区域 - 头像在写日记按钮左侧，水平居中对齐 */
  .nav-user-row {
    width: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .user-area {
    width: auto;
    display: flex;
    align-items: center;
  }
  
  .user-dropdown {
    display: block;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
  }
  
  /* 统计栏优化 - 保持 4 个卡片在一行 */
  .stat-card {
    width: calc(25% - 0.75rem);
  }
  
  /* 电脑端表单操作按钮样式 */
  .form-actions {
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 0.8rem;
  }
  .form-actions .btn {
    flex: none;
    min-width: auto;
  }
}

/* ===== 手机端样式 ===== */
@media (max-width: 768px) {
  /* 统计栏优化 */
  .user-avatar-img {width:28px!important;height:28px!important;}
  .stats-bar { 
    gap: 1rem; 
    flex-wrap: wrap;
    padding: 0.5rem;
  }
  .stat-card { 
    width: calc(50% - 0.5rem); 
    padding: 1rem 0.8rem;
    border-radius: 16px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
  }
  .stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    border-color: var(--accent);
  }
  .stat-num { 
    font-size: 1.8rem; 
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.3rem;
  }
  
  /* 日记网格优化 */
  .diary-grid { 
    gap: 1rem; 
    grid-template-columns: 1fr;
    width: 100%;
    max-width: calc(100vw - 2rem);
    margin: 0 auto;
  }
  .card-wrapper { 
    height: 300px; 
    width: 100%;
    max-width: 100%;
  }
  .card-face { 
    width: 100%; 
    max-width: 100%;
    box-sizing: border-box;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    overflow: hidden;
    max-width: calc(100vw - 2.5rem);
  }
  .card-front { 
    padding: 0.8rem; 
    width: 100%; 
    max-width: calc(100vw - 2.5rem);
    box-sizing: border-box; 
    overflow: hidden;
    background: var(--glass);
    backdrop-filter: blur(10px);
  }
  .card-thumbnail { 
    height: 100px; 
    width: 100%; 
    max-width: 100%;
    flex-shrink: 0;
    border-radius: 12px;
    margin-bottom: 0.8rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    overflow: hidden;
  }
  .card-title { 
    font-size: 1rem; 
    font-weight: 700;
    word-wrap: break-word; 
    overflow-wrap: break-word; 
    max-width: 100%; 
    overflow: hidden;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    word-break: break-all;
  }
  .card-preview { 
    font-size: 0.85rem; 
    word-wrap: break-word; 
    overflow-wrap: break-word; 
    max-width: 100%; 
    overflow: hidden; 
    word-break: break-all;
    line-height: 1.5;
    opacity: 0.9;
  }
  .card-date {
    font-size: 0.75rem;
    margin-bottom: 0.6rem;
  }
  
  /* 日记详情页优化 */
  .detail-content { 
    font-size: 0.95rem; 
    padding: 0 0.5rem;
    word-break: break-word;
    overflow-wrap: break-word;
    overflow-x: hidden;
  }
  .detail-content p,
  .detail-content pre,
  .detail-content code {
    word-break: break-word;
    overflow-wrap: break-word;
    overflow-x: auto;
    max-width: 100%;
  }
  .detail-content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
  }
  
  /* 模态框优化 */
  .modal { 
    width: 92%; 
    max-height: 85vh;
    padding: 1.5rem;
    margin: 1rem auto;
    border-radius: 20px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  }
  .modal-title { 
    font-size: 1.3rem; 
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .modal-close { 
    width: 36px; 
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    transition: all 0.3s ease;
  }
  .modal-close:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
  }
  
  /* 登录注册模态框优化 */
  #authModal .modal-logo,
  #authModal .modal-title img {
    width: 120px;
    height: 120px;
    margin-bottom: 1rem;
  }
  
  /* 表单优化 */
  .form-input, .form-textarea { 
    font-size: 16px; 
    padding: 0.8rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.08);
    transition: all 0.3s ease;
  }
  .form-input:focus, .form-textarea:focus {
    border-color: var(--accent);
    background: rgba(255,255,255,0.12);
    box-shadow: 0 0 15px rgba(124,106,247,0.3);
  }
  .form-textarea { min-height: 150px; }
  .form-label { 
    font-size: 0.85rem; 
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  /* 选项按钮优化 */
  .option-btn { 
    padding: 0.5rem 1rem; 
    font-size: 0.85rem;
    border-radius: 20px;
    transition: all 0.3s ease;
  }
  .option-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  }
  
  /* 颜色选择器优化 */
  .color-dot { 
    width: 28px; 
    height: 28px; 
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.3s ease;
  }
  .color-dot:hover {
    transform: scale(1.2);
    border-color: #fff;
  }
  
  /* 用户下拉菜单优化 */
  .user-dropdown { 
    width: 220px; 
    right: 0;
    border-radius: 16px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    overflow: hidden;
  }
  .user-dropdown-item { 
    padding: 0.8rem 1rem; 
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 0.3rem;
  }
  .user-dropdown-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateX(5px);
  }
  .user-dropdown-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .user-dropdown-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  }
  
  /* 主内容区优化 */
  .main { 
    padding: 0.8rem 1rem; 
    overflow-x: hidden;
    max-width: 100%;
  }
  
  /* 表单行优化 */
  .form-row { grid-template-columns: 1fr; gap: 0.8rem; }
  
  /* 空状态优化 */
  .empty-state { 
    padding: 4rem 1.5rem; 
    border-radius: 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
  }
  .empty-icon { 
    font-size: 4rem; 
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
  }
  .empty-text { 
    font-size: 1.1rem; 
    word-wrap: break-word; 
    overflow-wrap: break-word;
    opacity: 0.8;
  }
  
  /* 表单输入优化 */
  .form-input, .form-textarea {
    max-width: 100%;
    box-sizing: border-box;
  }
  
  /* 模态框内容优化 */
  .modal-content-wrapper {
    overflow-x: hidden;
    max-width: 100%;
  }
  
  /* 表单操作按钮优化 */
  .form-actions {
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
    padding-top: 1rem;
  }
  .form-actions .btn {
    flex: 1;
    min-width: calc(50% - 0.5rem);
    justify-content: center;
  }
  
  /* Toast 通知优化 */
  .toast-container { 
    right: 1rem; 
    left: 1rem;
    bottom: 1rem;
    z-index: 10001;
  }
  .toast { 
    font-size: 0.9rem; 
    padding: 0.9rem 1.2rem;
    border-radius: 12px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    animation: slideIn 0.3s ease;
  }
  
  /* 按钮优化 */
  .btn {
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
  }
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  }
  .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border: none;
    box-shadow: 0 3px 12px rgba(124,106,247,0.4);
  }
  .btn-ghost {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
  }
  
  /* 日记详情优化 */
  .detail-header { 
    padding: 1rem; 
    overflow: hidden;
    max-width: 100%;
  }
  .detail-title { 
    font-size: 1.2rem; 
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .detail-meta { 
    font-size: 0.75rem; 
    flex-wrap: wrap; 
    gap: 0.5rem;
    overflow: hidden;
  }
  .detail-content { 
    font-size: 0.95rem; 
    padding: 0 0.5rem;
    word-break: break-word;
    overflow-wrap: break-word;
    overflow-x: hidden;
    line-height: 1.9;
  }
  .detail-content p,
  .detail-content pre,
  .detail-content code {
    word-break: break-word;
    overflow-wrap: break-word;
    overflow-x: auto;
    max-width: 100%;
  }
  .detail-content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
  }
  .detail-content img {
    max-width: 100%;
    height: auto;
  }
  
  /* 卡片背面操作按钮优化 */
  .card-back-actions { gap: 0.4rem; }
  .card-back-actions .btn { 
    padding: 0.35rem 0.7rem; 
    font-size: 0.75rem;
  }
  
  /* 导航按钮区域优化 */
  .nav-right { 
    gap: 0.5rem; 
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  
  /* 头像上传按钮优化 */
  .avatar-upload-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  .user-info-avatar {
    width: 70px;
    height: 70px;
  }
  
  /* Matrix 主题手机端优化 */
  body.theme-matrix .toast {
    background: #000800;
    border-color: rgba(0,255,0,0.5);
  }
  body.theme-matrix .modal {
    background: #000800;
    border-color: rgba(0,255,0,0.5);
  }
  
  /* 动画效果 */
  @keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }
  
  @keyframes slideIn {
    from {
      transform: translateY(20px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  /* 卡片微动画 */
  .card-wrapper {
    animation: fadeInUp 0.5s ease;
  }
  
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* ===== 页脚版权 ===== */
.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.8rem 0;
  z-index: 1000;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.copyright {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.version {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.75rem;
}

.footer-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-divider {
  color: rgba(255, 255, 255, 0.3);
  margin: 0 0.25rem;
}

.footer-icon {
  width: 14px;
  height: 14px;
  vertical-align: middle;
  margin-right: 4px;
}

/* 手机端页脚优化 */
@media (max-width: 768px) {
  .site-footer {
    position: relative;
    padding: 1rem 0;
    font-size: 0.7rem;
  }
  
  .footer-content {
    padding: 0 1rem;
  }
  
  .footer-info {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 0.3rem;
  }
  
  .footer-divider {
    display: none;
  }
}

/* Matrix 主题页脚优化 */
body.theme-matrix .site-footer {
  background: rgba(0, 8, 0, 0.8);
  border-top-color: rgba(0, 255, 0, 0.3);
}

body.theme-matrix .footer-link {
  color: rgba(0, 255, 0, 0.7);
}

body.theme-matrix .footer-link:hover {
  color: #00ff00;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

/* ===== 用户区域 ===== */
.user-area {
  position: relative;
  width: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.user-area:hover {
  background: rgba(255, 255, 255, 0.1);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.user-avatar img,
.user-avatar-img {
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  border-radius: 50% !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
  max-width: 100% !important;
  max-height: 100% !important;
}

.user-nickname {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: all 0.3s ease;
}
.user-avatar:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 15px rgba(124,106,247,0.4);
}
body.theme-tech .user-avatar {
  background: linear-gradient(135deg, #0066ff, #00c8ff);
}
body.theme-tech .user-avatar:hover {
  box-shadow: 0 4px 15px rgba(0,150,255,0.5);
}

.user-dropdown-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  overflow: hidden;
  flex-shrink: 0;
}

.user-dropdown-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
body.theme-tech .user-dropdown-avatar {
  background: linear-gradient(135deg, #0066ff, #00c8ff);
}
body.theme-matrix .user-dropdown-avatar {
  background: linear-gradient(135deg, #00ff00, #00cc00);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 240px;
  background: var(--modal-bg, #12122a);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.5rem;
  box-shadow: 0 15px 40px rgba(0,0,0,0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.25s ease;
  z-index: 1000;
}
.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.3rem;
}

.user-dropdown-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
}

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

.user-dropdown-name {
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-dropdown-phone {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
}
.user-dropdown-item:hover {
  background: var(--glass);
}
.user-dropdown-item.logout {
  color: #f06292;
}
body.theme-tech .user-dropdown-item.logout {
  color: #00c8ff;
}

.user-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0.3rem 0;
}

/* 用户资料样式 */
.user-info-content {
  text-align: center;
}
.user-info-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 2rem;
  color: #fff;
  margin: 0 auto 1.5rem;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
body.theme-tech .user-info-avatar {
  background: linear-gradient(135deg, #0066ff, #00c8ff);
}
body.theme-matrix .user-info-avatar {
  background: linear-gradient(135deg, #00ff00, #00cc00);
}
.avatar-upload-btn {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 1.5rem;
  transition: all 0.3s;
}
.avatar-upload-btn:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent);
}

/* ===== Quill 编辑器样式 ===== */
#editor-container {
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  min-height: 300px;
}

#editor-container .ql-toolbar {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 8px 8px 0 0;
}

#editor-container .ql-container {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  color: var(--text);
  font-size: 16px;
}

#editor-container .ql-editor {
  min-height: 300px;
  color: var(--text);
}

#editor-container .ql-editor.ql-blank::before {
  color: var(--text-dim);
}

#editor-container .ql-stroke {
  stroke: var(--text-dim);
}

#editor-container .ql-fill {
  fill: var(--text-dim);
}

#editor-container .ql-picker {
  color: var(--text-dim);
}

#editor-container .ql-picker-options {
  background: var(--modal-bg);
  border: 1px solid var(--border);
}

#editor-container .ql-picker-options .ql-selected {
  color: var(--accent);
}

#editor-container .ql-tooltip {
  background: var(--modal-bg);
  border: 1px solid var(--border);
  color: var(--text);
}

#editor-container pre.ql-syntax {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 10px;
  border-radius: 5px;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  overflow-x: auto;
}

#editor-container img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
  margin: 10px 0;
}