/* ============================================
   c10小站 - 主样式表
   风格：温馨二次元 · 加藤惠主题
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --color-primary: #9B59B6;
  --color-primary-light: #D5A6E6;
  --color-primary-dark: #7D3C98;
  --color-accent: #FF7EB3;
  --color-accent-light: #FFB3D0;
  --color-warm: #FFF0F5;
  --color-card-bg: rgba(255, 255, 255, 0.88);
  --color-card-border: rgba(155, 89, 182, 0.18);
  --color-shadow: rgba(155, 89, 182, 0.12);
  --color-text: #2D2D2D;
  --color-text-secondary: #888;
  --color-text-light: #B0A0B0;
  --color-success: #6FCF97;
  --color-danger: #EB5757;
  --color-gold: #F2C94C;

  --font-display: 'Microsoft YaHei', '微软雅黑', sans-serif;
  --font-body: 'Microsoft YaHei', '微软雅黑', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

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

  --shadow-card: 0 8px 32px var(--color-shadow);
  --shadow-card-hover: 0 12px 48px rgba(155, 89, 182, 0.2);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 背景图片 (最底层) ---------- */
#bg-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
}

#bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: opacity 0.8s ease;
}

/* 未加载图片时显示渐变背景 */
#bg-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #FFF0F5 0%, #F3E5F5 30%, #E8D5F5 60%, #FCE4EC 100%);
  z-index: 0;
}

#bg-image[src]:not([src=""]) {
  position: relative;
  z-index: 1;
}

/* 渐变半透明遮罩 - 保证可读性 */
#bg-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse at center, rgba(255, 240, 245, 0.3) 0%, rgba(248, 240, 255, 0.6) 100%);
}

/* ---------- 页面标题 ---------- */
.site-header {
  text-align: center;
  padding: 28px 16px 0;
  position: relative;
  z-index: 1;
}

.site-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--color-primary-dark);
  text-shadow: 0 2px 12px rgba(155, 89, 182, 0.15);
  letter-spacing: 4px;
  position: relative;
  display: inline-block;
}

.site-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
  border-radius: 2px;
}

/* ---------- 主网格 (四角布局) ---------- */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "tl .  tr"
    ".  .  ."
    "bl .  br";
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 24px 30px;
  min-height: calc(100vh - 90px);
  align-content: stretch;
}

#card-inspiration { grid-area: tl; }
#card-goals      { grid-area: tr; }
#card-resources  { grid-area: bl; }
#card-tools      { grid-area: br; }

/* ---------- 卡片通用样式 ---------- */
.card {
  background: var(--color-card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent-light), var(--color-primary-light));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover, .card:focus-within {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
  border-color: rgba(155, 89, 182, 0.3);
}

.card:hover::before, .card:focus-within::before {
  opacity: 1;
}

/* 可点击卡片的样式 */
.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

.card-link:hover {
  color: inherit;
}

/* 卡片图标 */
.card-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

/* 卡片标题 */
.card-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 300;
  display: none;
}

/* ---------- 灵感记录卡片 (左上角) ---------- */
#card-inspiration {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

#card-inspiration .card-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

/* ---------- 当日目标卡片 ---------- */
#card-goals {
  display: flex;
  flex-direction: column;
}

#card-goals .card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

#card-goals .card-header .card-icon {
  margin-bottom: 0;
}

.date-display {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  font-weight: 300;
  letter-spacing: 1px;
}

/* 目标列表 */
.goals-list {
  flex: 1;
  margin-bottom: 12px;
  min-height: 60px;
}

.goal-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  animation: slideIn 0.3s ease;
}

.goal-item:hover {
  background: rgba(155, 89, 182, 0.05);
}

.goal-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-primary-light);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition);
}

.goal-checkbox:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.goal-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.goal-text {
  flex: 1;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.goal-item.completed .goal-text {
  text-decoration: line-through;
  color: var(--color-text-secondary);
}

.goal-delete {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px 6px;
  border-radius: 6px;
  opacity: 0;
  transition: all var(--transition);
}

.goal-item:hover .goal-delete {
  opacity: 1;
}

.goal-delete:hover {
  background: rgba(235, 87, 87, 0.1);
  color: var(--color-danger);
}

/* 添加目标输入 */
.goals-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.goals-input-row input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  background: rgba(255, 255, 255, 0.6);
}

.goals-input-row input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(155, 89, 182, 0.1);
}

.btn-add {
  width: 42px;
  height: 42px;
  border: none;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-add:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

/* 目标底部按钮 */
.goals-footer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.goals-footer button {
  flex: 1;
  min-width: 80px;
  padding: 8px 12px;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.5);
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.goals-footer button:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* 日期类型标签 */
.date-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.date-tab {
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid var(--color-card-border);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-text-secondary);
}

.date-tab.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.date-tab:hover:not(.active) {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* 空状态 */
.empty-state {
  color: var(--color-text-light);
  font-size: 0.85rem;
  text-align: center;
  padding: 20px 0;
  font-weight: 300;
}

/* ---------- 学习资料卡片 (左下角) ---------- */
#card-resources {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

#card-resources .card-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

/* ---------- 公司小工具卡片 ---------- */
#card-tools {
  display: flex;
  flex-direction: column;
}

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

#card-tools .card-title {
  margin-bottom: 0;
}

.tools-add-btn {
  width: 32px;
  height: 32px;
  border: 1px dashed var(--color-primary-light);
  border-radius: 50%;
  background: transparent;
  color: var(--color-primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tools-add-btn:hover {
  background: var(--color-primary);
  color: white;
  border-style: solid;
  border-color: var(--color-primary);
}

.tools-list {
  list-style: none;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tools-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  background: rgba(155, 89, 182, 0.04);
}

.tools-list li:hover {
  background: rgba(155, 89, 182, 0.08);
}

.tool-link {
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.9rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--transition);
}

.tool-link:hover {
  color: var(--color-primary);
}

.tool-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition);
}

.tools-list li:hover .tool-actions {
  opacity: 1;
}

.tool-actions button {
  background: none;
  border: none;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 6px;
  transition: all var(--transition);
  color: var(--color-text-light);
}

.tool-actions button:hover {
  background: rgba(155, 89, 182, 0.1);
}

.tool-del:hover {
  background: rgba(235, 87, 87, 0.1) !important;
  color: var(--color-danger);
}

/* 工具表单 */
.tools-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tools-form input {
  padding: 12px 16px;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition);
  background: var(--color-warm);
}

.tools-form input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(155, 89, 182, 0.08);
  background: white;
}

/* ---------- 弹窗 (Modal) ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.show {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 520px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  animation: slideUp 0.3s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-family: var(--font-display);
  color: var(--color-primary-dark);
  font-size: 1.3rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-light);
  padding: 4px 8px;
  border-radius: 8px;
  transition: all var(--transition);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-text);
}

/* 历史记录 */
.history-date {
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-card-border);
  padding-bottom: 12px;
}

.history-date:last-child {
  border-bottom: none;
}

.history-date-header {
  font-weight: 500;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.history-goal {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.9rem;
}

.history-goal .check {
  color: var(--color-success);
}

.history-goal .uncheck {
  color: var(--color-text-light);
}

.history-goal .pending {
  color: var(--color-gold);
}

/* 预设目标 */
.preplan-goal-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.preplan-goal-row input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}

.preplan-goal-row input:focus {
  border-color: var(--color-primary-light);
}

.preplan-remove {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all var(--transition);
}

.preplan-remove:hover {
  background: rgba(235, 87, 87, 0.1);
  color: var(--color-danger);
}

.btn-preplan-add {
  padding: 8px 16px;
  border: 1px dashed var(--color-primary-light);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  margin: 8px 0 16px;
}

.btn-preplan-add:hover {
  background: rgba(155, 89, 182, 0.05);
  border-style: solid;
}

.btn-save {
  width: 100%;
  padding: 12px;
  border: none;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-save:hover {
  background: var(--color-primary-dark);
}

/* ---------- 字体切换器 ---------- */
.font-switcher {
  display: inline-flex;
  gap: 6px;
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.5);
  padding: 4px 6px;
  border-radius: 20px;
  border: 1px solid var(--color-card-border);
}

.font-btn {
  width: 32px;
  height: 32px;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
}

.font-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

.font-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* 字体选项 */
.font-default {
  --font-display: 'Microsoft YaHei', '微软雅黑', sans-serif;
  --font-body: 'Microsoft YaHei', '微软雅黑', sans-serif;
}
.font-handwrite {
  --font-display: 'Ma Shan Zheng', cursive, sans-serif;
  --font-body: 'Ma Shan Zheng', cursive, sans-serif;
}
.font-serif {
  --font-display: 'Noto Serif SC', serif;
  --font-body: 'Noto Sans SC', sans-serif;
}
.font-round {
  --font-display: 'ZCOOL XiaoWei', serif;
  --font-body: 'Noto Sans SC', sans-serif;
}

body.font-handwrite { font-family: 'Ma Shan Zheng', cursive, sans-serif; }
body.font-serif { font-family: 'Noto Sans SC', sans-serif; }
body.font-round { font-family: 'Noto Sans SC', sans-serif; }
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ---------- 响应式 - 移动端 ---------- */
@media (max-width: 768px) {
  .site-title {
    font-size: 1.6rem;
  }

  .main-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "tl"
      "tr"
      "bl"
      "br";
    gap: 14px;
    padding: 14px 14px 24px;
    max-width: 400px;
  }

  .card {
    padding: 18px;
  }

  #card-inspiration,
  #card-resources {
    min-height: 70px;
    flex-direction: row;
    justify-content: flex-start;
    gap: 14px;
  }

  #card-inspiration .card-icon,
  #card-resources .card-icon {
    font-size: 1.5rem;
    margin-bottom: 0;
  }

  .goal-item {
    padding: 6px 8px;
  }

  .goals-footer button {
    font-size: 0.75rem;
    padding: 6px 10px;
  }

  .tool-actions {
    opacity: 1;
  }

  .tools-list li {
    padding: 6px 10px;
  }

  .modal-content {
    padding: 20px;
    max-height: 90vh;
  }
}

/* ---------- 小屏手机 ---------- */
@media (max-width: 380px) {
  .site-title {
    font-size: 1.3rem;
  }

  .card-title {
    font-size: 1.1rem;
  }

  .goals-footer {
    flex-direction: column;
  }
}

/* ---------- 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* 焦点样式 */
:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 3px;
}