:root {
  --bg: #0b0d12;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.075);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e9ecf3;
  --muted: #8b93a7;
  --accent: #7c6cff;
  --accent-2: #b39cff;
  --danger: #ff5f6d;
  --success: #35d07f;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(124, 108, 255, 0.22), transparent 60%),
    radial-gradient(800px 480px at 92% 4%, rgba(70, 190, 255, 0.14), transparent 62%),
    radial-gradient(700px 520px at 50% 110%, rgba(179, 156, 255, 0.10), transparent 65%);
  pointer-events: none;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.tiny { font-size: 12px; }
.error-text { color: var(--danger); font-size: 13px; min-height: 18px; margin: 10px 0 0; }

/* ---------------- 登录 ---------------- */

.login-wrap {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  padding: 36px 30px 30px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
  text-align: center;
}

.brand-mark {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  font-size: 28px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.35), rgba(179, 156, 255, 0.15));
  border: 1px solid var(--border-strong);
}

.brand-mark.small {
  width: 38px;
  height: 38px;
  font-size: 19px;
  border-radius: 12px;
  margin: 0;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.brand-mark { overflow: hidden; }

.login-card h1 {
  margin: 0 0 6px;
  font-size: 24px;
  letter-spacing: 0.4px;
}

.login-card form { margin-top: 22px; display: grid; gap: 12px; }

input[type="password"], input[type="date"], textarea {
  width: 100%;
  padding: 13px 15px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}

input:focus, textarea:focus {
  border-color: rgba(124, 108, 255, 0.65);
  background: rgba(0, 0, 0, 0.38);
}

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s, filter 0.15s, background 0.15s;
  user-select: none;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 24px rgba(124, 108, 255, 0.35);
}

.btn-primary:hover { filter: brightness(1.08); }

.btn-ghost {
  color: var(--text);
  background: var(--surface-strong);
  border-color: var(--border);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.11); }

.btn-danger {
  color: #fff;
  background: linear-gradient(135deg, #ff5f6d, #d93a4a);
  box-shadow: 0 8px 24px rgba(255, 95, 109, 0.28);
}

.btn[disabled] { opacity: 0.5; pointer-events: none; }

.icon-btn {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-size: 16px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 11px;
  cursor: pointer;
  transition: background 0.15s;
}

.icon-btn:hover { background: var(--surface-strong); }

/* ---------------- 主界面 ---------------- */

.app {
  max-width: 820px;
  margin: 0 auto;
  padding: calc(18px + env(safe-area-inset-top)) 16px calc(60px + env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.brand { display: flex; align-items: center; gap: 11px; }
.brand strong { display: block; font-size: 16px; letter-spacing: 0.3px; }
.brand .muted { display: block; font-size: 11.5px; margin-top: 2px; }

.topbar-actions { display: flex; gap: 8px; }

.composer {
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
}

.composer textarea {
  border: none;
  background: transparent;
  resize: vertical;
  min-height: 68px;
  padding: 4px 4px 8px;
  font-size: 15px;
  line-height: 1.55;
}

.composer textarea:focus { background: transparent; border: none; }
.composer textarea::placeholder { color: rgba(139, 147, 167, 0.75); }

.composer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.chips { display: flex; gap: 6px; }

.chip {
  padding: 6px 12px;
  font-size: 12.5px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.chip:hover { color: var(--text); }

.chip.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(124, 108, 255, 0.85), rgba(179, 156, 255, 0.65));
  border-color: transparent;
}

.composer-actions { display: flex; gap: 8px; margin-left: auto; }

/* ---------------- 标签页 ---------------- */

.tabs {
  display: flex;
  gap: 6px;
  margin: 18px 0 12px;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 13px;
  width: fit-content;
}

.tab {
  padding: 7px 16px;
  font-size: 13px;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.tab.active {
  color: var(--text);
  background: var(--surface-strong);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

/* ---------------- 列表 ---------------- */

.list { display: grid; gap: 10px; }

.card {
  position: relative;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  transition: border-color 0.15s, background 0.15s;
}

.card:hover { border-color: var(--border-strong); }

.card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.type-pill {
  font-size: 10.5px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(124, 108, 255, 0.16);
  color: #b8aaff;
  border: 1px solid rgba(124, 108, 255, 0.25);
}

.type-pill.file {
  background: rgba(53, 208, 127, 0.14);
  color: #6ee7a8;
  border-color: rgba(53, 208, 127, 0.25);
}

.meta { font-size: 11.5px; color: var(--muted); }

.card-menu-btn {
  margin-left: auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  transition: all 0.15s;
}

.card-menu-btn:hover {
  color: var(--text);
  background: var(--surface-strong);
  border-color: var(--border);
}

.text-body {
  font-size: 14.5px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 220px;
  overflow: hidden;
  mask-image: linear-gradient(180deg, #000 78%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 78%, transparent 100%);
}

.text-body.expanded {
  max-height: none;
  mask-image: none;
  -webkit-mask-image: none;
}

.file-body { display: flex; gap: 12px; align-items: center; }

.file-icon {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  font-size: 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.file-info { min-width: 0; flex: 1; }
.file-name {
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thumb {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-top: 10px;
  border: 1px solid var(--border);
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.card-actions .btn {
  padding: 7px 13px;
  font-size: 12.5px;
  font-weight: 500;
}

/* 卡片菜单 */
.menu {
  position: absolute;
  top: 46px;
  right: 12px;
  z-index: 30;
  min-width: 168px;
  padding: 6px;
  background: #161922;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.menu-item {
  display: block;
  width: 100%;
  padding: 9px 11px;
  text-align: left;
  font-size: 13px;
  color: var(--text);
  background: transparent;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-family: inherit;
}

.menu-item:hover { background: rgba(255, 255, 255, 0.07); }
.menu-item.danger { color: var(--danger); }
.menu-sep { height: 1px; margin: 5px 4px; background: var(--border); }
.menu-label {
  padding: 7px 11px 4px;
  font-size: 10.5px;
  letter-spacing: 0.6px;
  color: var(--muted);
  text-transform: uppercase;
}

.empty {
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
  padding: 40px 0;
}

/* ---------------- 上传进度 ---------------- */

.upload-bar {
  position: fixed;
  left: 50%;
  bottom: calc(18px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(92vw, 520px);
  padding: 12px 16px;
  background: #14171f;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow);
  z-index: 60;
}

.upload-name {
  font-size: 12.5px;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.2s;
}

.upload-pct {
  margin-top: 6px;
  font-size: 11.5px;
  color: var(--muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------------- 弹窗 ---------------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(5, 6, 10, 0.72);
  backdrop-filter: blur(6px);
}

.modal-card {
  width: 100%;
  max-width: 420px;
  padding: 24px;
  background: #12151d;
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.modal-card h2 { margin: 0 0 6px; font-size: 18px; }
.modal-card p { margin: 0 0 16px; }

.field-row { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.field-row label {
  flex: 1;
  min-width: 130px;
  font-size: 12px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.field-row label.check {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text);
}

input[type="date"] { color-scheme: dark; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
  flex-wrap: wrap;
}

/* ---------------- Toast ---------------- */

.toast {
  position: fixed;
  left: 50%;
  top: calc(20px + env(safe-area-inset-top));
  transform: translateX(-50%) translateY(-8px);
  padding: 10px 18px;
  font-size: 13px;
  color: var(--text);
  background: #1a1e28;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 100;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 520px) {
  .composer-row { gap: 8px; }
  .composer-actions { width: 100%; }
  .composer-actions .btn { flex: 1; }
  .topbar-actions .icon-btn { width: 34px; height: 34px; }
}