/* ============================================================
 * 词汇笔记 —— 报纸风格
 * 灰白新闻纸 + 黑白印刷感，点缀极少量红（警示用）
 * ============================================================ */

:root {
  --bg: #f1f0eb;                /* 灰白新闻纸 */
  --card: #faf9f4;              /* 卡片纸色 */
  --card-bright: #ffffff;       /* 更亮的纸（输入框/条目） */
  --text: #1a1a1a;              /* 墨黑 */
  --muted: #78746a;
  --border: rgba(26, 26, 26, 0.14);   /* 细黑线 */
  --grid-line: rgba(26, 26, 26, 0.04);/* 纸面纹理 */
  --primary: #1a1a1a;           /* 主色 = 墨黑 */
  --on-primary: #ffffff;
  --primary-soft: #ecebe5;
  --danger: #b03a2e;            /* 保留一点红：警示/删除 */
  --blue-bg: #e8ecf0;
  --blue-fg: #2c4a6e;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.14);
  --radius: 8px;                /* 印刷感：小圆角 */
}

[data-theme="dark"] {
  --bg: #17171a;                /* 深色报纸 */
  --card: #1f1f24;
  --card-bright: #26262c;
  --text: #d8d4cc;
  --muted: #8b877d;
  --border: rgba(216, 212, 204, 0.22);
  --grid-line: rgba(216, 212, 204, 0.04);
  --primary: #d8d4cc;
  --on-primary: #17171a;
  --primary-soft: #2e2e35;
  --danger: #e0604f;
  --blue-bg: #2b3545;
  --blue-fg: #9db4d8;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  /* 中文：霞鹜文楷；英文：Lora（字体栈自动按字符回退） */
  font-family: "LXGW WenKai Screen", "LXGW WenKai", "Lora", "PingFang SC",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg);
  /* 极淡的横线纹理，模拟新闻纸行距 */
  background-image: linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 100% 28px;
  color: var(--text);
  line-height: 1.6;
  transition: background-color 0.2s, color 0.2s;
}

/* ---- 报头：双线分隔（报纸经典） ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--text);
}

.brand {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand-sub { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 4px; }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.total-count { color: var(--muted); font-size: 14px; }

.icon-btn {
  background: var(--card-bright);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.15s;
}
.icon-btn:hover { transform: scale(1.08); }

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 16px 60px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

/* 卡片标题：黑色方块标记，像报纸栏目标题 */
.card-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 14px;
  padding-left: 12px;
  border-left: 4px solid var(--text);
  line-height: 1.4;
}

/* ---- 表单 ---- */
.form-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.field { flex: 1; min-width: 140px; display: flex; flex-direction: column; gap: 5px; }
.field.grow { flex: 2; }
.field label { font-size: 13px; color: var(--muted); }
.required { color: var(--danger); }

input, select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bright);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--text);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.08);
}

.form-actions { display: flex; gap: 10px; margin-top: 4px; }

/* ---- 类型按钮组 ---- */
.type-row { align-items: center; }
.type-label { font-size: 13px; color: var(--muted); }
.type-group { display: inline-flex; gap: 10px; }
.type-btn {
  border: 1px solid var(--text);
  background: var(--card-bright);
  color: var(--text);
  border-radius: 6px;
  padding: 10px 24px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.type-btn:hover { background: var(--primary-soft); }
.type-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}
.type-btn.active:hover { color: var(--on-primary); }

/* ---- 输入 + 保存 ---- */
.add-row { align-items: flex-end; }
.add-side {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.add-side .btn { padding: 9px 22px; }

.btn {
  border: none;
  border-radius: 6px;
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s, opacity 0.12s;
  font-family: inherit;
}
.btn:active { transform: scale(0.97); }
.btn.primary { background: var(--primary); color: var(--on-primary); }
.btn.primary:hover { opacity: 0.85; }
/* 按钮内嵌键帽：提示 Enter 可保存 */
.btn .kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 18px;
  padding: 0 3px;
  margin-left: 7px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--on-primary) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--on-primary) 45%, transparent);
  border-bottom-width: 2px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  vertical-align: middle;
  transform: translateY(-1px);
}
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); }
.btn.ghost:hover { color: var(--text); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.small { padding: 4px 10px; font-size: 13px; border-radius: 6px; }

/* ---- 列表工具栏 ---- */
.list-toolbar { display: flex; flex-direction: column; gap: 12px; }
.toolbar-controls { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.search { flex: 1; min-width: 180px; }

.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.filter-btn:hover { color: var(--text); border-color: var(--text); }
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}

.sort-select { width: auto; padding: 6px 10px; font-size: 13px; }

/* ---- 条目：报纸文章列表，细黑框 ---- */
.entry-list { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }

.entry {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bright);
  box-shadow: var(--shadow);
  animation: fadeIn 0.25s ease;
  align-items: flex-start;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* 空心黑框标签（英文/中文），报纸感 */
.entry-badge {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border: 1px solid var(--text);
  color: var(--text);
  background: transparent;
  border-radius: 3px;
  margin-top: 4px;
  white-space: nowrap;
}

.entry-body { flex: 1; min-width: 0; }
.entry-text {
  font-size: 19px;
  font-weight: 400;
  word-break: break-word;
  /* 英文内容优先用 Lora，中文自动回退到霞鹜文楷 */
  font-family: "Lora", "LXGW WenKai Screen", "LXGW WenKai", serif;
  letter-spacing: 0.01em;
}
.entry-text[lang="en"] { font-weight: 500; }

.entry-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.entry-date { margin-left: auto; }

.entry-actions { display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; }
.icon-action {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  opacity: 0.45;
  padding: 4px;
  border-radius: 6px;
  transition: opacity 0.15s, background 0.15s;
}
.icon-action:hover { opacity: 1; background: var(--primary-soft); }

/* ---- 空状态 ---- */
.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 40px 0 20px;
}
.empty-state p { font-size: 15px; }
.hidden { display: none !important; }

/* ---- 弹窗 ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  max-width: 360px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}
.modal p { margin-bottom: 16px; font-size: 15px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ---- 响应式 ---- */
@media (max-width: 560px) {
  .container { padding: 14px 10px 50px; }
  .card { padding: 16px; }
  .form-row { flex-direction: column; }
  .field { min-width: 0; }
  .entry { flex-wrap: wrap; }
  .entry-actions { flex-direction: row; margin-left: auto; }
  .entry-date { margin-left: 0; }
  .type-row { align-items: flex-start; }
  .type-group { width: 100%; }
  .type-btn { flex: 1; padding: 12px 0; text-align: center; }
  /* 移动端：输入框独占一行，保存按钮 + 提示另起一行 */
  .add-row { flex-direction: column; align-items: stretch; }
  .add-side { width: 100%; }
  .add-side .btn { flex: 1; padding: 12px 0; }
}