/* IdeaVault 前端样式：移动端优先，深浅色跟随系统，CSS 变量组织 */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #6b7280;
  --border: #e3e6ea;
  --accent: #4f6ef2;
  --accent-contrast: #ffffff;
  --danger: #e5484d;
  --success: #30a46c;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
  --radius: 12px;
  /* 分类色点 */
  --c-灵感: #9c6ade;
  --c-待办: #e5484d;
  --c-学习: #30a46c;
  --c-工具: #4f6ef2;
  --c-阅读: #f76b15;
  --c-生活: #12a594;
  --c-其他: #8b919a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131417;
    --surface: #1c1e22;
    --text: #e7e9ee;
    --muted: #9aa1ac;
    --border: #2b2e34;
    --accent: #6b86f7;
    --accent-contrast: #0f1013;
    --danger: #f2555a;
    --success: #3dd68c;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

/* ---------- 顶部固定区 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.logo {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.3px;
}
.stat-line { color: var(--muted); font-size: 12px; }
.settings-btn { margin-left: auto; border: none; color: var(--muted); padding: 2px 6px; font-size: 16px; }

.input-row { display: flex; gap: 8px; align-items: flex-end; }
#input {
  flex: 1;
  resize: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
  min-height: 44px;
}
#input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 14px;
  background: var(--surface);
  color: var(--text);
}
button.primary {
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
}
button.ghost { border-color: var(--border); color: var(--muted); }
button.link { background: none; border: none; color: var(--accent); padding: 0; }
button.close {
  background: none; border: none; font-size: 22px; color: var(--muted); line-height: 1;
}

.url-hint {
  font-size: 12px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 8px;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.url-hint span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.search {
  flex: 1;
  min-width: 140px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  padding: 8px 12px;
  font: inherit;
}
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips button {
  padding: 5px 10px;
  font-size: 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--surface);
}
.chips button.active {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: transparent;
}
.toggles { display: flex; gap: 8px; align-items: center; }
.toggle { font-size: 13px; color: var(--muted); display: flex; gap: 4px; align-items: center; }

/* ---------- 卡片列表 ---------- */
.list { padding: 12px 16px 80px; display: flex; flex-direction: column; gap: 10px; max-width: 760px; margin: 0 auto; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.08s ease;
}
.card:active { transform: scale(0.995); }
.card .card-head { display: flex; align-items: center; gap: 8px; }
.cat-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-其他);
  flex-shrink: 0;
}
.card h3 { margin: 0; font-size: 15px; }
.card .meta { font-size: 12px; color: var(--muted); margin-top: 4px; }
.card .summary { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.card .tags { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}
.card .status-badge { margin-left: auto; font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.status-pending { background: #f59f0022; color: #f59f00; }
.status-failed { background: var(--danger); color: #fff; }
.status-done { background: var(--success); color: #fff; }
.star { color: #f59f00; font-size: 14px; }
.skeleton { min-height: 60px; }
.skeleton .sk-line {
  height: 12px; border-radius: 6px; background: var(--border);
  animation: pulse 1.2s ease-in-out infinite;
}
.skeleton .sk-line.short { width: 60%; margin-bottom: 8px; }
.skeleton .sk-line.long { width: 90%; }
@keyframes pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }

.empty { text-align: center; color: var(--muted); padding: 48px 16px; }
.loadmore { text-align: center; padding-bottom: 24px; }
.loadmore button { color: var(--accent); border-color: var(--border); }

/* ---------- 弹窗 ---------- */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; }
.modal.hidden { display: none; }
.modal-mask { position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.modal-card {
  position: relative;
  margin: auto 12px;
  background: var(--surface);
  border-radius: 16px;
  max-width: 640px;
  width: 100%;
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.modal-head h2 { margin: 0; font-size: 16px; flex: 1; padding-right: 12px; }
.modal-body { padding: 16px 18px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--muted); }
.field textarea {
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
  color: var(--text); padding: 8px 10px; font: inherit; resize: vertical;
}
.field input[type="text"],
.field input[type="password"] {
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg);
  color: var(--text); padding: 8px 10px; font: inherit;
}
.settings-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.orig {
  white-space: pre-wrap; word-break: break-word;
  background: var(--bg); border-radius: 8px; padding: 10px; font-size: 13px;
}
.modal-actions { display: flex; gap: 8px; flex-wrap: wrap; padding-top: 4px; }
.modal-actions .spacer { flex: 1; }
.danger { border-color: var(--danger); color: var(--danger); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px;
  font-size: 13px; z-index: 60; box-shadow: var(--shadow); max-width: 80vw;
}
.toast.hidden { display: none; }

@media (min-width: 640px) {
  .list { padding-top: 20px; }
}