/* ==========================================================================
   QSL Station · 样式表
   浅色 / 深色自动适配，支持手动切换（右上角 ◐）
   ========================================================================== */

:root {
  --bg:        #f1f4f9;
  --surface:   #ffffff;
  --surface-2: #f7f9fc;
  --border:    #e2e7ef;
  --text:      #12161f;
  --muted:     #6b7688;
  --accent:    #2f6bff;
  --accent-2:  #12b3a4;
  --on-accent: #ffffff;
  --ok:        #0f9d58;
  --warn:      #c77700;
  --bad:       #dc2b2b;
  --ring:      rgba(47, 107, 255, .18);
  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 1px 2px rgba(16, 24, 40, .04), 0 10px 28px -18px rgba(16, 24, 40, .28);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html[data-theme="dark"] {
  --bg:        #0c0f15;
  --surface:   #141922;
  --surface-2: #1a212c;
  --border:    #262e3b;
  --text:      #e7ecf4;
  --muted:     #93a0b4;
  --accent:    #5b8cff;
  --accent-2:  #2fd4c4;
  --on-accent: #0b0f16;
  --ok:        #35c17a;
  --warn:      #e0a336;
  --bad:       #f0616a;
  --ring:      rgba(91, 140, 255, .25);
  --shadow:    0 1px 2px rgba(0, 0, 0, .4), 0 12px 30px -20px rgba(0, 0, 0, .8);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #0c0f15;
    --surface:   #141922;
    --surface-2: #1a212c;
    --border:    #262e3b;
    --text:      #e7ecf4;
    --muted:     #93a0b4;
    --accent:    #5b8cff;
    --accent-2:  #2fd4c4;
    --on-accent: #0b0f16;
    --ok:        #35c17a;
    --warn:      #e0a336;
    --bad:       #f0616a;
    --ring:      rgba(91, 140, 255, .25);
    --shadow:    0 1px 2px rgba(0, 0, 0, .4), 0 12px 30px -20px rgba(0, 0, 0, .8);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

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

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ------------------------------- 顶栏 ---------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.bar { display: flex; align-items: center; gap: 18px; height: 62px; }

.brand { display: flex; align-items: baseline; gap: 9px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-2) 22%, transparent);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.brand .call { font: 700 17px/1 var(--mono); letter-spacing: .06em; }
.brand .sub { font-size: 12px; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }

.nav { display: flex; gap: 2px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  padding: 7px 11px; border-radius: var(--radius-sm);
  color: var(--muted); font-size: 14px;
}
.nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav a.on { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); font-weight: 600; }

.bar-right { display: flex; align-items: center; gap: 8px; }

/* ------------------------------- 按钮 ---------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 15px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  font: 500 14px/1 var(--sans); cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .06s;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.sm { padding: 6px 11px; font-size: 13px; }
.btn.xs { padding: 4px 8px; font-size: 12px; }
.btn.danger { color: var(--bad); }
.btn.danger:hover { background: color-mix(in srgb, var(--bad) 12%, transparent); }
.btn.sent { border-color: var(--ok); color: var(--ok); }        /* QSL 已寄出：绿色描边 */
.btn.sent:hover { background: color-mix(in srgb, var(--ok) 12%, transparent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ------------------------------ 提示条 ---------------------------------- */
.flash {
  padding: 11px 15px; border-radius: var(--radius-sm); margin: 16px 0 0;
  border: 1px solid var(--border); background: var(--surface);
  border-left: 3px solid var(--accent); font-size: 14px;
}
.flash.ok   { border-left-color: var(--ok);   color: var(--ok); }
.flash.warn { border-left-color: var(--warn); color: var(--warn); }
.flash.bad  { border-left-color: var(--bad);  color: var(--bad); }
.alert {
  padding: 12px 15px; border-radius: var(--radius-sm); margin: 12px 0;
  background: var(--surface-2); border: 1px solid var(--border); font-size: 14px;
}
.alert.ok   { color: var(--ok);   border-color: color-mix(in srgb, var(--ok) 34%, var(--border)); }
.alert.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 34%, var(--border)); }
.alert.bad  { color: var(--bad);  border-color: color-mix(in srgb, var(--bad) 34%, var(--border)); }

/* ------------------------------- 卡片 ---------------------------------- */
main { padding: 22px 0 40px; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; margin-bottom: 20px;
}
.card.narrow { max-width: 520px; margin-left: auto; margin-right: auto; }
.card.center { text-align: center; }
.card h2 { font-size: 16px; margin: 0 0 14px; letter-spacing: .01em; }
.card h2:only-child { margin-bottom: 0; }
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-bottom: 14px;
}
.card-head h2 { margin: 0; }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 820px) { .cols { grid-template-columns: 1fr; } }

/* -------------------------------- 首屏 --------------------------------- */
.hero { display: flex; flex-direction: column; gap: 22px; }
.eyebrow {
  font: 600 11px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.station-call {
  margin: 0; font: 700 46px/1 var(--mono); letter-spacing: .03em;
  background: linear-gradient(96deg, var(--accent), var(--accent-2) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.callsign { font: 600 14px/1.4 var(--mono); letter-spacing: .02em; }
.callsign.big { font-size: 30px; display: block; margin: 0 0 14px; }
.lede { color: var(--muted); margin: 12px 0 0; }
.sm { font-size: 13px; }
.dim { color: var(--muted); }
.mono { font-family: var(--mono); }
.sm-input { font-size: 12px; }
.ta-r { text-align: right; }
.nowrap { white-space: nowrap; }
.req { color: var(--bad); }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat-row.wide { grid-template-columns: repeat(5, 1fr); }
.stat {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px; text-align: center;
}
.stat b { display: block; font: 700 24px/1.2 var(--mono); }
.stat span { font-size: 12px; color: var(--muted); }
@media (max-width: 700px) {
  .stat-row, .stat-row.wide { grid-template-columns: repeat(2, 1fr); }
  .station-call { font-size: 34px; }
}

/* -------------------------------- 表格 --------------------------------- */
.table-wrap { overflow-x: auto; margin: 0 -4px; }
table.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
table.grid th {
  text-align: left; font: 600 12px/1 var(--sans); letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
  padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.grid td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.grid tbody tr:last-child td { border-bottom: 0; }
table.grid tbody tr:hover { background: var(--surface-2); }
table.grid td.empty,
table.grid td.empty:hover { text-align: center; color: var(--muted); padding: 34px 10px; }

.chip {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  background: var(--surface-2); border: 1px solid var(--border);
  font: 500 12px/1.6 var(--mono); color: var(--muted);
}
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font: 500 12px/1.6 var(--sans); white-space: nowrap;
}
.badge.ok   { background: color-mix(in srgb, var(--ok) 16%, transparent);   color: var(--ok); }
.badge.warn, .badge.wait { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge.bad  { background: color-mix(in srgb, var(--bad) 16%, transparent);  color: var(--bad); }
.badge.dim  { background: var(--surface-2); color: var(--muted); }

.code, .code-link {
  font: 600 13px/1.5 var(--mono); letter-spacing: .05em;
  padding: 3px 8px; border-radius: 6px;
  background: color-mix(in srgb, var(--accent) 9%, transparent);
  color: var(--accent);
}
.code-link:hover { background: color-mix(in srgb, var(--accent) 18%, transparent); text-decoration: none; }

/* ------------------------------- 表单 --------------------------------- */
input, select, textarea, button { font-family: inherit; font-size: 14px; }
input[type="text"], input[type="password"], input[type="email"], input[type="date"],
input[type="time"], input[type="number"], select, textarea {
  width: 100%; padding: 9px 11px; color: var(--text);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--ring);
}
textarea { resize: vertical; }
input[type="file"] { width: 100%; margin-top: 5px; font-size: 12px; color: var(--muted); }
input[type="file"]::file-selector-button,
input[type="file"]::-webkit-file-upload-button {
  font: inherit; font-size: 12px; margin-right: 10px; padding: 6px 11px; cursor: pointer;
  color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
label { display: block; font-size: 13px; color: var(--muted); }
label > input, label > select, label > textarea { margin-top: 5px; }
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; }
label.check input { width: auto; margin: 0; }

.stack { display: flex; flex-direction: column; gap: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-grid .span2 { grid-column: span 2; }
.form-actions { display: flex; gap: 8px; align-items: center; }
@media (max-width: 820px) {
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid .span2 { grid-column: span 2; }
}
@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span2 { grid-column: span 1; }
}

.filters {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  padding: 12px; margin-bottom: 14px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.filters input[type="text"] { width: 150px; }
.filters input[type="date"] { width: 148px; }
.filters select { width: auto; min-width: 108px; }

.inline { display: inline-flex; align-items: center; gap: 6px; }
.inline-label { display: inline-flex; align-items: center; gap: 8px; }
.inline-label input { width: 130px; }

.code-input {
  font: 700 22px/1.2 var(--mono) !important; letter-spacing: .16em;
  text-align: center; text-transform: uppercase;
}

/* ------------------------------ 分页 / 列表 ---------------------------- */
.pager { display: flex; gap: 5px; align-items: center; flex-wrap: wrap; margin-top: 16px; }
.pager a {
  min-width: 32px; text-align: center; padding: 5px 8px;
  border: 1px solid var(--border); border-radius: 6px;
  color: var(--muted); font: 500 13px/1.4 var(--mono);
}
.pager a:hover { background: var(--surface-2); text-decoration: none; }
.pager a.on { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
  padding: 9px 0; border-bottom: 1px dashed var(--border); font-size: 14px;
}
.list li:last-child { border-bottom: 0; }

/* ------------------------------ 条形图 --------------------------------- */
.bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 56px 1fr 44px; gap: 10px; align-items: center; }
.bar-label { font: 500 13px/1 var(--mono); color: var(--muted); }
.bar-track { height: 9px; border-radius: 20px; background: var(--surface-2); overflow: hidden; }
.bar-track i {
  display: block; height: 100%; border-radius: 20px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.bar-num { text-align: right; font-size: 13px; color: var(--muted); }

/* ------------------------------- 字段表 -------------------------------- */
.kv { display: grid; grid-template-columns: 92px 1fr; gap: 7px 14px; margin: 0 0 14px; font-size: 14px; }
.kv dt { color: var(--muted); font-size: 13px; }
.kv dd { margin: 0; }
.kv.compact { font-size: 13px; }
.kv .big2 { font: 700 18px/1.3 var(--mono); }

/* ----------------------------- QSL 确认卡 ------------------------------ */
.card-print {
  border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 22px; background: var(--surface-2); max-width: 640px;
}
.cp-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; }
.cp-eyebrow { font: 600 10px/1 var(--sans); letter-spacing: .2em; color: var(--accent); margin-bottom: 7px; }
.cp-station { font: 700 30px/1 var(--mono); letter-spacing: .05em; }
.cp-sub { font-size: 12px; color: var(--muted); margin-top: 5px; }
.cp-qr { width: 118px; height: 118px; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
.cp-mid {
  display: flex; justify-content: space-between; gap: 20px; align-items: center;
  margin: 20px 0; padding: 18px 0; border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border);
}
.cp-code { text-align: center; }
.cp-code-label { font-size: 11px; letter-spacing: .16em; color: var(--muted); margin-bottom: 6px; }
.cp-code-val {
  font: 700 28px/1 var(--mono); letter-spacing: .14em;
  padding: 11px 16px; border: 1.5px dashed var(--accent); border-radius: var(--radius-sm);
  color: var(--accent); background: var(--surface); white-space: nowrap;
}
.cp-pin { margin-top: 7px; font: 600 13px/1 var(--mono); color: var(--warn); }
.cp-url { font-size: 11px; word-break: break-all; color: var(--muted); margin-bottom: 6px; }

/* -------------------------------- 页脚 --------------------------------- */
.foot { border-top: 1px solid var(--border); padding: 22px 0; margin-top: 20px; }
.foot .wrap { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.foot .foot-right { display: inline-flex; align-items: center; gap: 6px 16px; flex-wrap: wrap; }
.foot a { color: var(--muted); text-decoration: none; border-bottom: 1px dotted var(--border); }
.foot a:hover { color: var(--accent); border-bottom-color: var(--accent); }

@media (max-width: 640px) {
  .hide-sm { display: none; }
  .bar { height: auto; padding: 10px 0; flex-wrap: wrap; }
  .nav { margin-left: 0; order: 3; width: 100%; }
  .card { padding: 16px; }
  .cp-mid { flex-direction: column; align-items: stretch; }
}

/* ------------------------------- 打印 ---------------------------------- */
@media print {
  .topbar, .foot, .btn-group, .pager, .flash { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: 0; padding: 0; margin: 0; }
  .card-print { border-color: #999; max-width: none; }
}