/* ============================================================
   Paste · 企业级剪切板
   设计系统：深墨蓝底 + 海青强调。技术感、精准、克制。
   ============================================================ */

:root {
  --bg: #0b0e15;
  --surface: #121826;
  --surface-2: #1a2132;
  --surface-3: #212b40;
  --border: #253043;
  --border-strong: #35435f;
  --text: #e8ecf4;
  --text-2: #97a2b6;
  --text-3: #5d6679;
  --accent: #2fb8a0;
  --accent-strong: #41d6ba;
  --accent-ink: #04231d;
  --danger: #e5484d;
  --danger-ink: #3a0d0f;
  --warn: #e2a93b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 12px 32px rgba(0, 0, 0, .3);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono",
    Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.container { max-width: 880px; margin: 0 auto; padding: 0 20px; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

/* ---------- 顶栏 ---------- */
.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 14, 21, .8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 650;
  font-size: 16px;
  letter-spacing: .2px;
}
.brand:hover { color: var(--text); }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), #1f8f7c);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
}
.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-user { color: var(--text-2); font-size: 13px; display: inline-flex; align-items: center; gap: 8px; }
.nav-user .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 184, 160, .18);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; color: var(--text-2); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }
.btn-danger { background: rgba(229, 72, 77, .12); color: #ff8a8e; border-color: rgba(229, 72, 77, .3); }
.btn-danger:hover { background: rgba(229, 72, 77, .2); color: #ff9da0; }
.btn-sm { padding: 6px 11px; font-size: 13px; border-radius: 7px; }
.btn-block { width: 100%; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- 表单 ---------- */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 7px;
}
.input {
  width: 100%;
  padding: 11px 13px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 184, 160, .18);
}
.input::placeholder { color: var(--text-3); }

/* ---------- 登录页 ---------- */
.login-wrap {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.login-card { width: 100%; max-width: 380px; padding: 34px 32px; }
.login-title { margin: 0 0 4px; font-size: 22px; font-weight: 700; letter-spacing: .2px; }
.login-sub { color: var(--text-2); font-size: 13.5px; margin: 0 0 26px; }
.login-error {
  background: rgba(229, 72, 77, .1);
  border: 1px solid rgba(229, 72, 77, .3);
  color: #ff8a8e;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13.5px;
  margin-bottom: 16px;
}

/* ---------- 主页：编辑器 ---------- */
.page-header { margin: 34px 0 18px; }
.page-title { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: .2px; }
.page-sub { color: var(--text-2); font-size: 14px; margin: 6px 0 0; }

.composer { padding: 16px; }
.composer textarea {
  width: 100%;
  min-height: 150px;
  resize: vertical;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.composer textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 184, 160, .16);
}
.composer textarea::placeholder { color: var(--text-3); }
.composer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  gap: 12px;
  flex-wrap: wrap;
}
.counter { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); }
.counter.over { color: var(--danger); }

/* ---------- 文件上传 ---------- */
.upload-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 26px 16px;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  text-align: center;
}
.upload-drop:hover { border-color: var(--accent); background: var(--surface-2); }
.upload-drop input[type="file"] { display: none; }
.upload-hint { color: var(--text-2); font-size: 14px; }
.upload-selected {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  word-break: break-all;
}
.upload-selected.over { color: var(--danger); }
.composer.dragover .upload-drop { border-color: var(--accent); background: var(--surface-2); }

.file-icon { flex-shrink: 0; font-size: 16px; }

/* ---------- 列表 ---------- */
.list-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 34px 0 12px;
}
.list-title { margin: 0; font-size: 16px; font-weight: 650; }
.list-count { color: var(--text-3); font-size: 13px; font-family: var(--font-mono); }

.paste-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  background: var(--surface);
  transition: border-color .15s, background .15s;
}
.paste-row:hover { border-color: var(--border-strong); background: var(--surface-2); }
.paste-id {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  min-width: 120px;
}
.paste-preview {
  flex: 1;
  min-width: 0;
  color: var(--text-2);
  font-size: 13.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.paste-meta {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
  color: var(--text-3);
  text-align: right;
  white-space: nowrap;
}
.paste-actions { display: inline-flex; gap: 6px; flex-shrink: 0; }
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 5px;
  letter-spacing: .2px;
}
.badge-exp { color: var(--warn); background: rgba(226, 169, 59, .12); }
.badge-expired { color: var(--danger); background: rgba(229, 72, 77, .12); }

.row-copy { gap: 6px; }

/* ---------- 空状态 ---------- */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-3);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}
.empty .empty-icon { font-size: 34px; margin-bottom: 10px; opacity: .7; }
.empty .empty-title { color: var(--text-2); font-size: 15px; font-weight: 600; margin: 0 0 4px; }
.empty p { margin: 0; font-size: 13.5px; }

/* ---------- 详情页 ---------- */
.view-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 26px 0 14px;
  gap: 12px;
  flex-wrap: wrap;
}
.view-id { font-family: var(--font-mono); font-size: 15px; color: var(--accent); }
.view-meta {
  display: flex;
  gap: 18px;
  color: var(--text-3);
  font-size: 13px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.view-meta span { display: inline-flex; gap: 6px; align-items: center; }
.view-meta .k { color: var(--text-2); }
.view-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.view-content pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}
.view-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 文件信息页 ---------- */
.file-title { font-family: var(--font-sans); color: var(--text); word-break: break-all; }
.file-empty { text-align: center; padding: 30px 20px; color: var(--text-2); }
.file-empty-ico { font-size: 40px; margin-bottom: 8px; }
.file-empty p { margin: 4px 0; }
.file-empty p.file-empty-sub { color: var(--text-3); font-size: 13px; }

/* ---------- 错误页 ---------- */
.error-wrap {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.error-card { text-align: center; max-width: 420px; }
.error-code {
  font-family: var(--font-mono);
  font-size: 56px;
  font-weight: 700;
  color: var(--text-3);
  margin: 0;
  line-height: 1;
}
.error-msg { color: var(--text-2); font-size: 16px; margin: 16px 0 24px; }

/* ---------- Toast ---------- */
.toasts {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  width: min(420px, calc(100vw - 40px));
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-in .2s ease-out;
}
.toast .t-ico { color: var(--accent); }
.toast.toast-error .t-ico { color: var(--danger); }
.toast.toast-leave { animation: toast-out .2s ease-in forwards; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(6px); }
}

/* ---------- 键盘焦点 ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .paste-row { flex-wrap: wrap; gap: 10px; }
  .paste-meta { text-align: left; }
  .paste-actions { width: 100%; }
  .paste-actions .btn { flex: 1; }
  .view-meta { gap: 12px; }
}

/* ---------- 减少动画 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}