/* 令牌取件 · 叫号屏（书页纸张） */
:root {
  --ground: #f1e9d2;
  --surface: #f8f3e4;
  --sunk: #e8dec3;
  --line: #ddd0b0;
  --line-strong: #8a7b5c;
  --ink: #2b261d;
  --ink-2: #554b3a;
  --ink-3: #685d49;
  --counter: #2e2720;
  --counter-hi: #40362c;
  --on-counter: #f6eed9;
  --on-counter-2: #cdbf9f;
  --sel: #3a2f25;
  --on-sel: #f8f0dc;
  --on-sel-2: #d3c4a3;
  --board: #17140f;
  --board-ink: #efe6cf;
  --board-dim: #a59a82;
  --led: #ff3d2e;
  --led-ghost: #2c1a13;
  --red: #a3311f;
  --red-soft: #f2dccd;
  --green: #3f6a2c;
  --green-soft: #e1e6c8;
  --focus: #8a5a1f;
  --paper-grain: .07;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  --shadow: 0 1px 2px rgba(60, 44, 20, .08), 0 8px 24px rgba(60, 44, 20, .08);
  color-scheme: light;
}

/* 深色：夜里看书的暖黑，跟随系统或手动切换 */
:root[data-theme="dark"] {
  --ground: #1c1914;
  --surface: #23201a;
  --sunk: #171410;
  --line: #342e25;
  --line-strong: #7a6f5c;
  --ink: #ece3cd;
  --ink-2: #b7ab92;
  --ink-3: #9a8f78;
  --counter: #120f0b;
  --counter-hi: #2a241c;
  --on-counter-2: #b9ab8c;
  --sel: #6b5434;
  --on-sel-2: #efe2c4;
  --board: #0b0907;
  --led-ghost: #26140e;
  --red: #f0806b;
  --red-soft: #3a2018;
  --green: #a9c98a;
  --green-soft: #26301b;
  --focus: #d9a55a;
  --paper-grain: .05;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--ground);
  color: var(--ink);
  font: 14px/1.5 var(--sans);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
/* 纸张质感：细颗粒 + 大块的纤维明暗，叠在整页最上层，不挡点击 */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 90;
  pointer-events: none;
  opacity: var(--paper-grain);
  mix-blend-mode: multiply;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .32 0 0 0 0 .24 0 0 0 0 .12 0 0 0 1.4 -.45'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='900'%3E%3Cfilter id='m'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.006 .02' numOctaves='4' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .34 0 0 0 0 .16 0 0 0 1.2 -.35'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23m)'/%3E%3C/svg%3E");
}
:root[data-theme="dark"] body::after { mix-blend-mode: soft-light; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: var(--counter); color: var(--on-counter); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
.mono { font-family: var(--mono); }
.spacer { flex: 1; }
[hidden] { display: none !important; }
svg.i { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* 顶部柜台栏 */
.top {
  height: 60px; flex: none;
  display: flex; align-items: center; gap: 14px;
  padding: 0 24px;
  background: var(--counter); color: var(--on-counter);
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; letter-spacing: .02em; }
.brand-mark {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 6px;
  background: var(--board); color: var(--led);
  font: 700 13px/1 var(--mono);
}
.top-meta { color: var(--on-counter-2); font-size: 13px; white-space: nowrap; }
.top-meta b { color: var(--on-counter); font-weight: 600; }
.preview-tag {
  font-size: 12px; padding: 2px 8px; border-radius: 4px;
  border: 1px solid rgba(255,255,255,.28); color: var(--on-counter-2);
}

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 14px; border-radius: 6px;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
  white-space: nowrap;
  transition: background-color .15s ease-out, border-color .15s ease-out, color .15s ease-out;
}
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-sm { height: 30px; padding: 0 10px; font-size: 13px; }
.btn-danger { color: var(--red); }
.btn-danger:hover:not(:disabled) { background: var(--red-soft); border-color: var(--red); }
.top .btn { background: transparent; color: var(--on-counter); border-color: rgba(246,238,217,.48); }
.top .btn:hover { background: var(--counter-hi); border-color: rgba(255,255,255,.55); }
.top .btn-primary { background: var(--on-counter); color: var(--counter); border-color: var(--on-counter); font-weight: 600; }
.top .btn-primary:hover { background: #fffaf0; border-color: #fffaf0; }
.icon-btn { width: 36px; padding: 0; }

/* 主体：左列表 右叫号屏 */
.main {
  flex: 1; min-height: 0;
  display: grid; grid-template-columns: minmax(420px, 560px) minmax(0, 1fr);
}
.queue { display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--line); }
.queue-head { padding: 16px 16px 0; display: flex; flex-direction: column; gap: 10px; }
.search-wrap { position: relative; }
.search-wrap svg { position: absolute; left: 12px; top: 12px; color: var(--ink-3); }
.search {
  width: 100%; height: 40px; padding: 0 12px 0 36px;
  border: 1px solid var(--line-strong); border-radius: 6px;
  background: var(--surface); outline: none;
}
.search::placeholder { color: var(--ink-3); }
.search:focus { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
.select-bar { display: flex; align-items: center; gap: 8px; padding-bottom: 10px; font-size: 13px; color: var(--ink-2); }
.check { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.check input { width: 16px; height: 16px; margin: 0; accent-color: var(--counter); cursor: pointer; }

/* 分组下拉 */
.group-bar { display: flex; align-items: center; gap: 8px; }
.select {
  height: 36px; min-width: 0; padding: 0 30px 0 10px;
  border: 1px solid var(--line-strong); border-radius: 6px;
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23685d49' stroke-width='2'%3E%3Cpath d='m3 4.5 3 3 3-3'/%3E%3C/svg%3E") no-repeat right 10px center;
  appearance: none; cursor: pointer;
}
.group-bar .select { flex: 1; }
:root[data-theme="dark"] .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23b7ab92' stroke-width='2'%3E%3Cpath d='m3 4.5 3 3 3-3'/%3E%3C/svg%3E");
}
.select-sm { height: 30px; font-size: 13px; }
.select:disabled { opacity: .45; cursor: not-allowed; }
.select:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }

/* 账号行：单一字号，靠粗细与反白分层级 */
.list { flex: 1; overflow: auto; border-top: 1px solid var(--line); }
.row {
  display: grid; grid-template-columns: 18px 52px minmax(0, 1fr) auto;
  align-items: center; gap: 12px;
  height: 48px; padding: 0 16px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}
.row:hover { background: var(--sunk); }
.row .qno { font-family: var(--mono); color: var(--ink-3); }
.row .email { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .who { display: flex; align-items: center; gap: 4px; min-width: 0; }
.row .note {
  flex: 0 1 auto; min-width: 0; margin-left: 6px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--ink-3);
}
.row .note::before { content: "· "; }
.copy-mail {
  display: grid; place-items: center; flex: none;
  width: 26px; height: 26px; padding: 0;
  border: 0; border-radius: 5px; background: transparent; color: var(--ink-3);
  opacity: .55; transition: opacity .15s ease-out, background-color .15s ease-out;
}
.copy-mail svg.i { width: 14px; height: 14px; }
.row:hover .copy-mail, .row.active .copy-mail, .copy-mail:focus-visible { opacity: 1; }
.copy-mail:hover { background: var(--sunk); color: var(--ink); }
.row.active .copy-mail { color: var(--on-sel-2); }
.row.active .copy-mail:hover { background: rgba(255,255,255,.14); color: var(--on-sel); }
.row.active .note { color: var(--on-sel-2); }
@media (hover: none) { .copy-mail { opacity: 1; } }
.row .end { display: flex; align-items: center; gap: 10px; }
.row .code { font-family: var(--mono); font-weight: 700; color: var(--red); letter-spacing: .06em; }
.row .when { color: var(--ink-3); font-size: 14px; }
.row .act {
  height: 28px; padding: 0 10px; border-radius: 5px;
  border: 1px solid var(--line-strong); background: transparent; color: var(--ink);
}
.row .act:hover { border-color: var(--ink-2); }
.row.active { background: var(--sel); color: var(--on-sel); border-bottom-color: var(--sel); }
.row.active .qno, .row.active .when { color: var(--on-sel-2); }
.row.active .code { color: #ff8a7e; }
.row.active .act { color: var(--on-sel); border-color: rgba(255,255,255,.45); }
.row input { width: 16px; height: 16px; margin: 0; accent-color: var(--counter); cursor: pointer; }
.stamp {
  display: inline-block; padding: 0 6px;
  border: 1.5px solid var(--red); border-radius: 3px;
  color: var(--red); font-weight: 700; font-size: 12px; letter-spacing: .1em;
  transform: rotate(-6deg);
}
.row.active .stamp { color: #ff8a7e; border-color: #ff8a7e; }
.spin {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 空状态：教用户怎么开始 */
.empty { padding: 48px 28px; color: var(--ink-2); }
.empty h2 { margin: 0 0 8px; font-size: 18px; color: var(--ink); }
.empty p { margin: 0 0 16px; max-width: 42ch; }
.empty .fmt {
  display: block; margin: 0 0 20px; padding: 10px 12px;
  border: 1px dashed var(--line-strong); border-radius: 6px;
  font: 13px/1.6 var(--mono); color: var(--ink-2); word-break: break-all;
}
.empty .acts { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-solid { background: var(--counter); color: var(--on-counter); border-color: var(--counter); font-weight: 600; }
.btn-solid:hover { background: var(--counter-hi); border-color: var(--counter-hi); }
.no-match { padding: 32px 16px; color: var(--ink-2); }

/* 右侧：叫号屏 + 邮件 */
.desk { min-height: 0; overflow: auto; padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.sheet-head { display: none; }
.board {
  flex: none;
  background: var(--board); color: var(--board-ink);
  border-radius: 10px; padding: 24px 28px 22px;
  box-shadow: var(--shadow);
}
.board-meta { display: flex; gap: 10px; align-items: baseline; color: var(--board-dim); font-size: 13px; min-width: 0; }
.board-meta .q { font-family: var(--mono); color: var(--led); font-weight: 700; }
.board-meta .e { color: var(--board-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-meta .t { white-space: nowrap; }
/* LED 数码：DSEG7 七段字体（OFL 授权，见 fonts/DSEG-LICENSE.txt），暗的 8 打底，亮的验证码叠在上面 */
@font-face {
  font-family: "DSEG7";
  src: url("fonts/DSEG7Classic-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
.digits {
  position: relative; display: inline-block;
  margin: 18px 0 14px; padding: 0;
  border: 0; background: none; text-align: left;
  font: 700 clamp(48px, 6.4vw, 96px)/1 "DSEG7", var(--mono);
  letter-spacing: .06em;
  cursor: pointer;
}
.digits:disabled { cursor: default; }
.digits .ghost { color: var(--led-ghost); }
.digits .lit { position: absolute; left: 0; top: 0; color: var(--led); }
.digits.calling .lit { animation: call .5s steps(1, end); }
@keyframes call {
  0% { opacity: 0; } 25% { opacity: 1; } 45% { opacity: .15; } 65% { opacity: 1; }
}
.digits.waiting .lit { animation: wait 1.2s ease-in-out infinite; }
@keyframes wait { 50% { opacity: .25; } }
.board-msg { color: var(--board-dim); font-size: 14px; min-height: 21px; }
.board-msg.err { color: #ff8a7e; }
.board-msg.ok { color: #c9d98f; }
.board-acts { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.board .btn { background: transparent; color: var(--board-ink); border-color: #4a4236; }
.board .btn:hover { border-color: #85796a; }
.board .btn-led { background: var(--led); border-color: var(--led); color: #1a0705; font-weight: 700; }
.board .btn-led:hover { background: #ff5a4d; border-color: #ff5a4d; }
/* 当前账号：分组 + 备注 */
.acc-bar {
  flex: none;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
}
.acc-bar[hidden] { display: none; }
.field { display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 13px; white-space: nowrap; }
.field-note { flex: 1; min-width: 220px; }
.note-input {
  flex: 1; min-width: 0; height: 30px; padding: 0 10px;
  border: 1px solid var(--line-strong); border-radius: 6px;
  background: var(--ground); color: var(--ink); outline: none; font-size: 14px;
}
.note-input::placeholder { color: var(--ink-3); }
.note-input:focus { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
.import-to { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.modal-foot { flex-wrap: wrap; }

/* 邮件 */
.mailbox {
  flex: 1; min-height: 240px;
  display: grid; grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
.mail-list { border-right: 1px solid var(--line); overflow: auto; }
.mail-item {
  display: block; width: 100%; text-align: left;
  padding: 12px 14px; border: 0; border-bottom: 1px solid var(--line); background: transparent;
}
.mail-item:hover { background: var(--sunk); }
.mail-item.active { background: var(--sel); color: var(--on-sel); }
.mail-item.active .from { color: var(--on-sel-2); }
.mail-item.active .subj .s { font-weight: 700; }
.mail-item.active .subj .c { color: #ff8a7e; }
.mail-item.active .folder { background: rgba(255, 255, 255, .16); color: var(--on-sel); }
:root[data-theme="dark"] .row.active .code,
:root[data-theme="dark"] .mail-item.active .subj .c { color: #ffe4e0; }
.mail-item .from { display: flex; justify-content: space-between; gap: 8px; color: var(--ink-3); font-size: 12px; }
.mail-item .from span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-item .from span:last-child { flex: none; white-space: nowrap; }
.mail-item .subj { display: flex; align-items: center; gap: 6px; margin-top: 2px; }
.mail-item .subj .s { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
.mail-item .subj .c { margin-left: auto; font: 700 13px var(--mono); color: var(--red); }
.folder { flex: none; font-size: 11px; padding: 0 5px; border-radius: 3px; background: var(--green-soft); color: var(--green); }
.folder.junk { background: var(--red-soft); color: var(--red); }
.mail-read { overflow: auto; padding: 20px 24px; }
.mail-read h3 { margin: 0 0 4px; font-size: 16px; }
.mail-read .meta { color: var(--ink-3); font-size: 12px; margin-bottom: 16px; word-break: break-all; }
.mail-read .body { white-space: pre-wrap; word-break: break-word; max-width: 68ch; }
.mail-empty { grid-column: 1 / -1; padding: 28px; color: var(--ink-2); }
/* 导入 / 导出弹窗 */
.mask {
  position: fixed; inset: 0; z-index: 50;
  display: none; align-items: center; justify-content: center; padding: 20px;
  background: rgba(30, 22, 12, .5);
}
.mask.show { display: flex; }
.modal {
  width: 100%; max-width: 640px; max-height: 90vh;
  display: flex; flex-direction: column;
  background: var(--surface); color: var(--ink);
  border-radius: 10px; box-shadow: 0 24px 64px rgba(0,0,0,.28); overflow: hidden;
}
.modal-head { display: flex; align-items: center; gap: 12px; padding: 14px 20px; background: var(--counter); color: var(--on-counter); }
.modal-head h3 { margin: 0; flex: 1; font-size: 16px; }
.modal-head .x { width: 32px; height: 32px; border: 0; border-radius: 6px; background: transparent; color: var(--on-counter); font-size: 20px; line-height: 1; }
.modal-head .x:hover { background: var(--counter-hi); }
.modal-body { padding: 18px 20px; overflow: auto; }
.modal-foot { display: flex; align-items: center; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--line); }
.hint { margin: 0 0 10px; color: var(--ink-2); font-size: 13px; }
.hint code { font-family: var(--mono); background: var(--sunk); padding: 1px 6px; border-radius: 4px; color: var(--ink); }
textarea.area {
  width: 100%; min-height: 240px; resize: vertical;
  padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 6px;
  background: var(--ground); outline: none;
  font: 12.5px/1.65 var(--mono);
}
textarea.area::placeholder { color: var(--ink-3); }
textarea.area:focus { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 22%, transparent); }
.import-stat { font-size: 13px; color: var(--ink-2); }
.import-stat b { color: var(--green); }
.import-stat .bad { color: var(--red); }
.seg { display: inline-flex; margin-bottom: 12px; border: 1px solid var(--line-strong); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; background: transparent; padding: 7px 14px; font-size: 13px; }
.seg button + button { border-left: 1px solid var(--line-strong); }
.seg button.on { background: var(--counter); color: var(--on-counter); }
/* 提示条 */
.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 100;
  transform: translate(-50%, 12px); opacity: 0; pointer-events: none;
  padding: 9px 16px; border-radius: 6px;
  background: var(--board); color: var(--board-ink); font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  transition: opacity .18s ease-out, transform .18s ease-out;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.keys { color: var(--ink-3); font-size: 12px; padding: 8px 16px; border-top: 1px solid var(--line); }
kbd { font: 11px var(--mono); padding: 0 4px; border: 1px solid var(--line-strong); border-radius: 3px; box-shadow: 0 1px 0 var(--line-strong); color: var(--ink-2); }

/* 手机：列表全屏，叫号屏从底部升起 */
@media (max-width: 900px) {
  .top { padding: 0 14px; gap: 8px; }
  .top-meta, .preview-tag, .top .btn .lbl { display: none; }
  .main { grid-template-columns: 1fr; }
  .queue { border-right: 0; }
  .keys { display: none; }
  .row { height: 52px; grid-template-columns: 18px 46px minmax(0, 1fr) auto; gap: 10px; }
  .row .note, .row .when { display: none; }
  .select-bar { flex-wrap: wrap; row-gap: 8px; }
  .check, #listInfo { white-space: nowrap; }
  .desk {
    position: fixed; inset: 56px 0 0; z-index: 40;
    background: var(--ground); padding: 0 14px 20px;
    border-radius: 14px 14px 0 0; box-shadow: 0 -8px 32px rgba(0,0,0,.2);
    transform: translateY(105%); transition: transform .25s cubic-bezier(.2, .8, .2, 1);
  }
  .desk.open { transform: none; }
  .sheet-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; position: sticky; top: 0; background: var(--ground); z-index: 1; }
  .board { padding: 20px; }
  .mailbox { grid-template-columns: 1fr; }
  .mail-list { border-right: 0; border-bottom: 1px solid var(--line); max-height: 220px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}