/* CopySync 网页客户端样式：蓝色毛玻璃视觉基准（见设计 §4 参考图） */
:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  --blue: #2e7ce6;
  --blue-dark: #1f63c9;
  --blue-soft: rgba(46, 124, 230, .1);
  --navy: #1b3a6e;
  --text: #22355c;
  --muted: #5b7299;
  --glass: rgba(255, 255, 255, .58);
  --glass-strong: rgba(255, 255, 255, .72);
  --line: rgba(255, 255, 255, .8);
  --hairline: rgba(30, 60, 120, .09);
  --shadow: 0 12px 40px rgba(46, 93, 178, .1);
  --green: #34c9a3;
  --red: #e5484d;
  --amber: #d9930d;
  --radius: 18px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body { margin: 0; color: var(--text); background: #eaf1fc; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { opacity: .55; cursor: not-allowed; }
[hidden] { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
button:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible, .pill:focus-visible {
  outline: 2px solid rgba(46, 124, 230, .5); outline-offset: 2px;
}

/* 背景：浅蓝环境渐变 + 柔和光斑 */
.bg-decor {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(60vw 50vh at 12% -8%, rgba(118, 165, 255, .35), transparent 60%),
    radial-gradient(55vw 55vh at 95% 15%, rgba(140, 190, 255, .28), transparent 60%),
    radial-gradient(70vw 60vh at 50% 110%, rgba(176, 205, 250, .32), transparent 60%),
    linear-gradient(160deg, #e6eefa 0%, #f3f7fd 55%, #eaf1fb 100%);
}

.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(28px) saturate(1.5);
  -webkit-backdrop-filter: blur(28px) saturate(1.5);
}

/* 登录 */
.login-view { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card {
  width: min(400px, 100%); padding: 36px 32px; text-align: center;
  background: var(--glass-strong); border: 1px solid var(--line); border-radius: 22px;
  box-shadow: var(--shadow); backdrop-filter: blur(28px) saturate(1.5); -webkit-backdrop-filter: blur(28px) saturate(1.5);
}
.login-card .brand-badge { margin: 0 auto 10px; }
.login-card h1 { margin: 0; font-size: 26px; color: var(--navy); letter-spacing: -.5px; }
.login-card .muted { margin: 4px 0 22px; }
.login-card input {
  width: 100%; border: 1px solid var(--hairline); border-radius: 12px; padding: 13px 14px;
  background: rgba(255, 255, 255, .85); margin-bottom: 12px;
}
.login-card button {
  width: 100%; border: 0; border-radius: 12px; padding: 13px; font-weight: 650;
  background: var(--blue); color: #fff; transition: all .15s ease; min-height: 48px;
}
.login-card button:hover:not(:disabled) { background: var(--blue-dark); box-shadow: 0 6px 16px rgba(46, 124, 230, .3); }
.login-card button:active:not(:disabled) { transform: translateY(1px); }
.form-msg { min-height: 18px; margin: 0 0 10px; font-size: 13px; color: var(--red); }

/* 布局 */
.shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 18px; height: 100vh; padding: 18px; }
.sidebar { border-radius: var(--radius); padding: 22px 14px; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 11px; padding: 2px 8px 22px; }
.brand-badge { width: 44px; height: 44px; flex: 0 0 auto; display: grid; place-items: center; }
.brand-badge img, .brand-badge svg { width: 100%; height: 100%; object-fit: contain; border-radius: 10px; display: block; }
.brand strong { display: block; font-size: 17px; color: var(--navy); letter-spacing: -.3px; }
.brand .muted { font-size: 12px; }
.nav { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 11px; border: 0; background: transparent;
  padding: 12px 14px; border-radius: 12px; font-size: 15px; color: var(--text);
  min-height: 44px; text-align: left; transition: all .15s ease; text-decoration: none;
}
.nav-item:hover { background: rgba(255, 255, 255, .6); }
.nav-item.active { background: var(--blue-soft); color: var(--blue); font-weight: 650; }
.nav-icon { width: 20px; height: 20px; flex: 0 0 auto; display: inline-grid; place-items: center; }
.nav-icon svg { width: 20px; height: 20px; }
.badge {
  margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px;
  background: var(--blue); color: #fff; font-size: 12px; font-weight: 700;
  display: inline-grid; place-items: center;
}
.settings-link { margin-top: auto; }

.main { border-radius: var(--radius); padding: 26px 28px 30px; overflow-y: auto; min-width: 0; }
.view-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.view-head h1 { margin: 0 0 6px; font-size: 24px; color: var(--navy); letter-spacing: -.6px; }
.head-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.online-line { display: flex; align-items: center; gap: 8px; margin: 0; color: var(--muted); font-size: 13px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(52, 201, 163, .18); }
.dot.off { background: var(--amber); box-shadow: 0 0 0 3px rgba(217, 147, 13, .15); }

/* 按钮 */
.btn {
  border: 0; border-radius: 11px; padding: 11px 18px; min-height: 44px; font-weight: 650;
  background: var(--blue); color: #fff; display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; transition: all .15s ease; text-decoration: none;
}
.btn:hover:not(:disabled) { background: var(--blue-dark); box-shadow: 0 6px 16px rgba(46, 124, 230, .28); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn.soft { background: var(--blue-soft); color: var(--blue); }
.btn.soft:hover:not(:disabled) { background: rgba(46, 124, 230, .18); box-shadow: none; }
.btn.danger-soft { background: rgba(229, 83, 75, .1); color: var(--red); }
.btn.danger-soft:hover:not(:disabled) { background: rgba(229, 83, 75, .18); box-shadow: none; }
.btn.small { min-height: 34px; padding: 6px 14px; font-size: 13px; }
.btn-icon { width: 17px; height: 17px; display: inline-grid; place-items: center; flex: 0 0 auto; }
.btn-icon svg { width: 17px; height: 17px; }

.net-banner {
  display: flex; align-items: center; gap: 12px; margin-bottom: 14px; padding: 10px 16px;
  border-radius: 12px; background: rgba(217, 147, 13, .12); border: 1px solid rgba(217, 147, 13, .3);
  color: #8a5d07; font-size: 13px;
}

/* 拖拽上传区 */
.drop-zone {
  border: 1.5px dashed rgba(46, 124, 230, .35); border-radius: 16px; background: rgba(46, 124, 230, .045);
  padding: 30px 16px; display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--text); margin-bottom: 16px; transition: all .15s ease; cursor: pointer;
}
.drop-zone strong { font-size: 15px; color: var(--navy); }
.drop-zone.active { border-color: var(--blue); background: rgba(46, 124, 230, .12); }
.drop-icon { width: 34px; height: 34px; color: var(--blue); display: inline-grid; place-items: center; }
.drop-icon svg { width: 34px; height: 34px; }

/* 发送条 */
.send-bar { display: grid; grid-template-columns: minmax(200px, 1.3fr) repeat(3, minmax(120px, 1fr)); gap: 10px; margin-bottom: 16px; }
.pill, .send-target {
  display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
  border: 1px solid var(--hairline); border-radius: 12px; background: rgba(255, 255, 255, .8);
  color: var(--text); font-weight: 600; font-size: 14px; cursor: pointer; transition: all .15s ease;
  box-shadow: 0 2px 8px rgba(46, 93, 178, .05); padding: 0 12px; min-width: 0;
}
.pill:hover, .send-target:hover { background: #fff; box-shadow: 0 4px 14px rgba(46, 93, 178, .1); }
.pill .btn-icon, .send-target .btn-icon { color: var(--blue); }
.send-target { justify-content: flex-start; }
.send-target select {
  border: 0; background: transparent; min-height: 44px; flex: 1; min-width: 0; font-weight: 600;
  text-overflow: ellipsis; cursor: pointer;
}

/* 文本/文件发送区 */
.composer { border: 1px solid var(--hairline); border-radius: 14px; background: rgba(255, 255, 255, .7); padding: 12px; margin-bottom: 16px; }
.composer textarea {
  width: 100%; border: 0; background: transparent; resize: vertical; min-height: 72px;
  padding: 6px; outline: none; font-size: 14px;
}
.composer-foot { display: flex; align-items: center; gap: 12px; }
.composer-foot .form-msg { flex: 1; margin: 0; }
.composer-foot .muted { flex: 1; }

.section-title { font-size: 16px; color: var(--navy); margin: 6px 0 12px; }

/* 列表 */
.list { display: flex; flex-direction: column; gap: 10px; }
.empty { color: var(--muted); text-align: center; padding: 34px 0; font-size: 14px; }
.row {
  display: flex; align-items: center; gap: 12px; min-height: 68px; padding: 10px 14px;
  border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, .55);
  transition: background .15s ease;
}
.row.clickable { cursor: pointer; }
.row.clickable:hover { background: rgba(255, 255, 255, .85); }
.row.expired { opacity: .62; }
.row-icon {
  width: 44px; height: 44px; border-radius: 12px; flex: 0 0 auto; display: grid; place-items: center;
  overflow: hidden; color: var(--blue); background: var(--blue-soft);
}
.row-icon svg { width: 22px; height: 22px; }
.row-icon img { width: 100%; height: 100%; object-fit: cover; }
.row-icon.k-text { color: #7a5af8; background: rgba(122, 90, 248, .12); }
.row-icon.k-image { color: #0d9fd8; background: rgba(13, 159, 216, .12); }
.row-icon.k-file { color: #2f6bff; background: rgba(46, 124, 230, .12); }
.row-main { flex: 1; min-width: 0; }
.row-title {
  font-size: 14px; font-weight: 600; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.row-sub { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 3px; }
.row-sub .pin-flag { color: var(--amber); font-weight: 600; }
.row-meta { flex: 0 0 auto; text-align: right; font-size: 12px; color: var(--muted); line-height: 1.5; }
.row-actions { flex: 0 0 auto; display: flex; gap: 4px; }
.icon-btn {
  width: 44px; height: 44px; border: 0; border-radius: 10px; background: transparent;
  color: var(--muted); display: grid; place-items: center; transition: all .15s ease; text-decoration: none;
}
.icon-btn:hover:not(:disabled) { background: var(--blue-soft); color: var(--blue); }
.icon-btn svg { width: 19px; height: 19px; }
.status { font-size: 12px; font-weight: 650; color: var(--green); }
.status.waiting { color: var(--amber); }
.status.failed { color: var(--red); }
.status.expired { color: var(--muted); font-weight: 400; }

/* 备注内联编辑 */
.note-editor { display: flex; gap: 8px; padding: 2px 14px 10px 70px; }
.note-editor input {
  flex: 1; border: 1px solid var(--hairline); border-radius: 10px; padding: 9px 12px;
  background: rgba(255, 255, 255, .85); min-width: 0;
}

/* 搜索与筛选 */
.search {
  width: 100%; border: 1px solid var(--hairline); border-radius: 12px; padding: 12px 14px;
  background: rgba(255, 255, 255, .8); margin-bottom: 12px; outline: none;
}
.search:focus { border-color: rgba(46, 124, 230, .45); }
.filters { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--hairline); background: rgba(255, 255, 255, .7); color: var(--muted);
  border-radius: 999px; padding: 8px 16px; min-height: 36px; font-size: 13px; transition: all .15s ease;
}
.chip:hover { background: #fff; }
.chip.active { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 650; }

.drive-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }

/* 设置 */
.settings-card { border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, .55); }
.settings-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 18px; min-height: 56px;
}
.settings-row + .settings-row { border-top: 1px solid var(--hairline); }

/* 更多菜单 */
.menu {
  position: fixed; z-index: 900; min-width: 156px; padding: 6px; border-radius: 12px;
  background: rgba(255, 255, 255, .94); border: 1px solid var(--hairline);
  box-shadow: 0 14px 40px rgba(30, 60, 120, .18);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.menu button {
  display: flex; align-items: center; gap: 9px; width: 100%; border: 0; background: transparent;
  padding: 10px 12px; min-height: 40px; border-radius: 8px; font-size: 14px; text-align: left;
}
.menu button:hover:not(:disabled) { background: var(--blue-soft); color: var(--blue); }
.menu button.danger { color: var(--red); }
.menu button.danger:hover:not(:disabled) { background: rgba(229, 83, 75, .1); }
.menu .btn-icon { color: inherit; }

/* 图片预览 */
.preview-overlay {
  position: fixed; inset: 0; z-index: 950; display: grid; place-items: center;
  background: rgba(20, 34, 66, .55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 30px;
}
.preview-overlay img {
  max-width: 92vw; max-height: 88vh; border-radius: 14px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .35); background: #fff;
}
.preview-close {
  position: absolute; top: 18px; right: 20px; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .18); color: #fff;
  font-size: 17px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}

/* Toast */
.toast {
  position: fixed; z-index: 1000; left: 50%; bottom: 32px; transform: translate(-50%, 18px);
  max-width: min(86vw, 520px); padding: 11px 18px; border-radius: 13px; font-size: 14px;
  color: #fff; background: rgba(27, 42, 74, .82); border: 1px solid rgba(255, 255, 255, .22);
  box-shadow: 0 10px 34px rgba(10, 25, 60, .3); backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.error { background: rgba(150, 44, 38, .88); }

/* 窄窗口：侧栏折叠为顶部横向导航，按钮不重叠不裁剪 */
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; grid-template-rows: auto 1fr; height: auto; min-height: 100vh; padding: 12px; gap: 12px; }
  .sidebar { flex-direction: row; align-items: center; padding: 10px 12px; gap: 8px; }
  .brand { padding: 0 8px 0 0; }
  .brand .muted { display: none; }
  .brand-badge { width: 34px; height: 34px; }
  .nav { flex-direction: row; flex: 1; overflow-x: auto; }
  .nav-item { white-space: nowrap; }
  .settings-link { margin-top: 0; }
  .main { padding: 18px 16px 22px; }
  .send-bar { grid-template-columns: 1fr 1fr; }
  .row { flex-wrap: wrap; }
  .row-meta { text-align: left; }
  .note-editor { padding-left: 14px; }
}