/* CodeVault — giao diện lấy cảm hứng từ bảng điều khiển máy công nghiệp:
   vỏ sơn tĩnh điện, tấm panel chìm, vạch cảnh báo, đồng hồ đo. */

:root {
  --paper:      #E4E6DF;
  --panel:      #F5F6F1;
  --panel-sunk: #EDEEE7;
  --steel:      #32383A;
  --steel-2:    #434A4C;
  --line:       #BFC4B9;
  --line-soft:  #D8DBD1;
  --ink:        #15191A;
  --muted:      #5C6462;
  --yellow:     #EFB700;
  --signal:     #AF2318;
  --ok:         #2C6B4D;
  --link:       #1F4E79;

  --sans: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --cond: "Barlow Semi Condensed", "Barlow", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --gap: 20px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    linear-gradient(rgba(255,255,255,.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.55) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--ink);
  font: 400 15px/1.55 var(--sans);
}

a { color: var(--link); }

h1, h2, h3 {
  font-family: var(--cond);
  font-weight: 600;
  letter-spacing: .005em;
  margin: 0;
}

h1 { font-size: 26px; }
h2 { font-size: 20px; }
h3 { font-size: 17px; }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* ---------- Thanh trên cùng ---------- */

.rail {
  background: var(--steel);
  color: #EEF0EC;
  border-bottom: 1px solid #22282A;
}

.rail-in {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 58px;
  padding-block: 10px;
  flex-wrap: wrap;
}

.mark {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: inherit;
}

.mark-box {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: var(--yellow);
  color: #1B1B14;
  font: 700 17px/1 var(--cond);
  border-radius: 2px;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.22);
}

.mark-name {
  font: 600 20px/1 var(--cond);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.mark-sub {
  display: block;
  font: 400 11px/1.3 var(--mono);
  color: #98A09E;
  letter-spacing: .02em;
  margin-top: 3px;
  text-transform: none;
}

.rail-spacer { flex: 1; }

.lamp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 400 12px/1 var(--mono);
  color: #B6BDBA;
}

.lamp::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #52D08B;
  box-shadow: 0 0 0 3px rgba(82,208,139,.18);
}

.who {
  font: 500 14px/1 var(--sans);
  color: #E4E7E3;
  padding-right: 4px;
}

/* Vạch cảnh báo — điểm nhấn duy nhất của trang */
.hazard {
  height: 7px;
  background-color: var(--yellow);
  background: repeating-linear-gradient(
    -45deg, var(--yellow) 0 12px, #2B3032 12px 24px);
}

/* ---------- Khối panel chìm ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba(255,255,255,.6);
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(#FBFBF8, var(--panel-sunk));
}

.panel-body { padding: 16px; }

.hint { color: var(--muted); font-size: 13.5px; margin: 0; }

/* ---------- Dãy đồng hồ đo ---------- */

.gauges {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  margin: var(--gap) 0;
}

.gauge {
  background: var(--panel);
  padding: 14px 16px 15px;
}

.gauge-label {
  font: 500 12.5px/1 var(--cond);
  color: var(--muted);
  letter-spacing: .04em;
}

.gauge-value {
  font: 500 27px/1.1 var(--mono);
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}

.gauge-value small {
  font-size: 13px;
  color: var(--muted);
  margin-left: 4px;
}

.meter {
  margin-top: 10px;
  height: 14px;
  background: var(--panel-sunk);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 2px;
  display: flex;
  gap: 2px;
}

.meter i {
  flex: 1;
  background: var(--line-soft);
  border-radius: 1px;
}

.meter i.on   { background: var(--ok); }
.meter i.warn { background: var(--yellow); }
.meter i.hot  { background: var(--signal); }

.gauge-foot {
  margin-top: 7px;
  font: 400 12px/1.4 var(--mono);
  color: var(--muted);
}

/* ---------- Thanh điều khiển ---------- */

.controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.search {
  flex: 1 1 260px;
  display: flex;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 3px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.06);
}

.search input {
  flex: 1;
  border: 0;
  background: none;
  padding: 10px 12px;
  font: 400 15px var(--sans);
  color: var(--ink);
}

.search input:focus { outline: none; }
.search:focus-within { border-color: var(--steel-2); }

.search button {
  border: 0;
  border-left: 1px solid var(--line-soft);
  background: var(--panel-sunk);
  padding: 0 14px;
  cursor: pointer;
  font: 500 14px var(--cond);
  color: var(--muted);
}

select, input[type="text"], input[type="password"], textarea {
  font: 400 14.5px var(--sans);
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 9px 11px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.06);
}

select { padding-right: 28px; }

textarea { resize: vertical; min-height: 74px; width: 100%; }

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 1px;
}

/* ---------- Nút ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 500 14.5px/1 var(--cond);
  letter-spacing: .02em;
  padding: 10px 16px;
  border: 1px solid var(--steel);
  border-radius: 3px;
  background: linear-gradient(var(--steel-2), var(--steel));
  color: #F2F4F0;
  cursor: pointer;
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.14);
  white-space: nowrap;
}

.btn:hover { background: var(--steel-2); }
.btn:active { box-shadow: inset 0 2px 4px rgba(0,0,0,.3); }

.btn-primary {
  background: linear-gradient(#F6C41C, var(--yellow));
  border-color: #B98E00;
  color: #1B1B14;
}

.btn-primary:hover { background: #F7CC3A; }

.btn-quiet {
  background: var(--panel);
  border-color: var(--line);
  color: var(--ink);
  box-shadow: inset 0 1px 0 #fff;
}

.btn-quiet:hover { background: #fff; }

.btn-danger { border-color: #8C1C14; background: var(--signal); }
.btn-danger:hover { background: #C42A1E; }

.btn-sm { padding: 6px 11px; font-size: 13.5px; }

.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---------- Bảng dữ liệu ---------- */

.data { width: 100%; border-collapse: collapse; }

.data th {
  font: 500 12.5px/1 var(--cond);
  letter-spacing: .05em;
  color: var(--muted);
  text-align: left;
  padding: 11px 14px;
  background: var(--panel-sunk);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.data td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}

.data tbody tr:nth-child(even) { background: rgba(0,0,0,.015); }
.data tbody tr:hover { background: #FFFDF0; }

.data td:first-child, .data th:first-child {
  border-left: 3px solid transparent;
}

.data tbody tr:hover td:first-child { border-left-color: var(--yellow); }

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.id-cell { font: 400 13px var(--mono); color: var(--muted); }

.title-cell a {
  font: 600 16px/1.25 var(--cond);
  color: var(--ink);
  text-decoration: none;
}

.title-cell a:hover { text-decoration: underline; }

.title-sub {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
  max-width: 46ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag {
  display: inline-block;
  font: 500 12px/1 var(--cond);
  letter-spacing: .03em;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  color: var(--muted);
}

.chip {
  display: inline-block;
  font: 500 12.5px/1 var(--mono);
  padding: 4px 7px;
  border-radius: 2px;
  background: var(--steel);
  color: #F0F2EE;
}

.chip-muted { background: var(--line-soft); color: var(--muted); }

.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

.empty {
  padding: 46px 20px;
  text-align: center;
  color: var(--muted);
}

.empty strong {
  display: block;
  font: 600 18px var(--cond);
  color: var(--ink);
  margin-bottom: 6px;
}

/* ---------- Phân trang ---------- */

.pager {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  color: var(--muted);
  flex-wrap: wrap;
}

.pager nav { display: flex; gap: 6px; }

.pager a, .pager span.here {
  min-width: 32px;
  text-align: center;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  text-decoration: none;
  color: var(--ink);
  font: 400 13px var(--mono);
}

.pager span.here {
  background: var(--steel);
  color: #fff;
  border-color: var(--steel);
}

/* ---------- Ngăn kéo tải lên ---------- */

.drawer { margin-bottom: var(--gap); }

.drawer[hidden] { display: none; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field { display: block; margin-bottom: 14px; }

.field > span {
  display: block;
  font: 500 13.5px var(--cond);
  letter-spacing: .03em;
  margin-bottom: 5px;
}

.field input, .field select { width: 100%; }

.dropzone {
  border: 2px dashed var(--line);
  border-radius: 3px;
  background: var(--panel-sunk);
  padding: 26px 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color .12s, background .12s;
}

.dropzone:hover, .dropzone.hot {
  border-color: var(--yellow);
  background: #FFFBE8;
}

.dropzone strong { font: 600 16px var(--cond); }

.dropzone p { margin: 5px 0 0; font-size: 13px; color: var(--muted); }

.dropzone .picked {
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--ink);
  word-break: break-all;
}

.progress {
  margin-top: 14px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel-sunk);
  position: relative;
  overflow: hidden;
}

.progress[hidden] { display: none; }

.progress i {
  display: block;
  height: 100%;
  width: 0;
  background: repeating-linear-gradient(
    -45deg, var(--yellow) 0 9px, #E0A800 9px 18px);
  transition: width .15s linear;
}

.progress b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font: 500 12.5px var(--mono);
  color: var(--ink);
}

/* ---------- Trang chi tiết ---------- */

.crumb {
  font: 400 13px var(--mono);
  color: var(--muted);
  margin: 18px 0 10px;
}

.crumb a { color: var(--muted); }

.detail-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.detail-head h1 { font-size: 30px; line-height: 1.15; }

.meta-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
}

.meta-strip div {
  background: var(--panel);
  padding: 11px 18px;
}

.meta-strip dt {
  font: 500 12px var(--cond);
  color: var(--muted);
  letter-spacing: .04em;
}

.meta-strip dd {
  margin: 4px 0 0;
  font: 400 14.5px var(--mono);
}

.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--gap);
  align-items: start;
  margin: var(--gap) 0;
}

.version-row td { border-bottom: 1px solid var(--line-soft); }

.hash {
  font: 400 12px var(--mono);
  color: var(--muted);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.hash:hover { color: var(--link); text-decoration: underline; }

.notes {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: 3px;
  max-width: 52ch;
}

.log-list { list-style: none; margin: 0; padding: 0; }

.log-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
}

.log-list li:last-child { border-bottom: 0; }

.log-list time {
  display: block;
  font: 400 12px var(--mono);
  color: var(--muted);
  margin-top: 2px;
}

/* ---------- Thông báo ---------- */

.toasts {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  z-index: 60;
  max-width: min(380px, calc(100vw - 36px));
}

.toast {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--steel);
  color: #F1F3EF;
  padding: 12px 14px;
  border-radius: 3px;
  border-left: 4px solid var(--ok);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
  font-size: 14px;
  animation: slide-in .18s ease-out;
}

.toast.error { border-left-color: var(--signal); }

.toast button {
  background: none;
  border: 0;
  color: #A8AFAC;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0;
}

@keyframes slide-in {
  from { transform: translateY(8px); opacity: 0; }
}

/* ---------- Hộp thoại ---------- */

dialog {
  border: 1px solid var(--steel);
  border-radius: 3px;
  padding: 0;
  max-width: 620px;
  width: calc(100vw - 32px);
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}

dialog:not([open]) { display: none; }

dialog::backdrop { background: rgba(20,24,25,.55); }

.dialog-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--panel-sunk);
}

.dialog-body { padding: 18px; max-height: 58vh; overflow: auto; }

.dialog-foot {
  padding: 13px 18px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  gap: 9px;
  justify-content: flex-end;
}

.tree { font: 400 13px/1.7 var(--mono); }

.tree div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px dotted var(--line-soft);
  padding: 2px 0;
}

.tree span:first-child { word-break: break-all; }
.tree span:last-child { color: var(--muted); white-space: nowrap; }

/* ---------- Đăng nhập ---------- */

.login-wrap {
  min-height: calc(100vh - 66px);
  display: grid;
  place-items: center;
  padding: 40px 20px;
}

.login-card { width: 100%; max-width: 400px; }

.login-card .panel-body { padding: 22px; }

.alert {
  padding: 11px 14px;
  border-radius: 3px;
  border-left: 4px solid var(--ok);
  background: #EAF2EC;
  font-size: 14px;
  margin-bottom: 14px;
}

.alert.error { border-left-color: var(--signal); background: #F6E9E7; }

/* ---------- Trang lỗi ---------- */

.err {
  text-align: center;
  padding: 90px 20px;
}

.err b {
  font: 600 76px/1 var(--mono);
  color: var(--line);
  display: block;
}

.err p { color: var(--muted); margin: 12px 0 22px; }

footer {
  color: var(--muted);
  font-size: 13px;
  padding: 26px 0 36px;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  flex-wrap: wrap;
}

footer code { font-family: var(--mono); font-size: 12.5px; }

/* ---------- Màn hình hẹp ---------- */

@media (max-width: 900px) {
  .gauges, .meta-strip { grid-template-columns: 1fr 1fr; }
  .layout, .grid-2 { grid-template-columns: 1fr; }
  .table-scroll { overflow-x: auto; }
  .data { min-width: 720px; }
}

@media (max-width: 560px) {
  .gauges, .meta-strip { grid-template-columns: 1fr; }
  .rail-in { gap: 12px; }
  .mark-sub { display: none; }

  /* Không để Safari tự phóng to khi bấm vào ô nhập liệu (cần ≥16px) */
  select, input[type="text"], input[type="password"], input[type="search"], textarea {
    font-size: 16px;
  }

  /* Vùng chạm rộng hơn cho ngón tay */
  .btn { min-height: 40px; }
  .btn-sm { padding: 8px 12px; }

  .pager a, .pager span.here {
    min-width: 36px;
    padding: 7px 9px;
  }

  /* Thanh lọc: mỗi ô một hàng thay vì dồn cụm nhỏ khó bấm */
  .controls { flex-direction: column; align-items: stretch; }
  .controls > * { width: 100%; }

  /* Bảng dữ liệu: bỏ cuộn ngang, mỗi dòng gập thành một thẻ đứng —
     nhãn cột (từ thuộc tính data-label trong HTML) hiện phía trên giá trị */
  .table-scroll { overflow-x: visible; }
  .data { min-width: 0; }
  .data thead { display: none; }
  .data, .data tbody, .data tr, .data td { display: block; width: 100%; }

  .data tr {
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 4px 12px;
    margin-bottom: 10px;
    background: var(--panel);
  }

  .data tbody tr:nth-child(even) { background: var(--panel); }
  .data td:first-child, .data th:first-child { border-left: 0; }
  .data tbody tr:hover td:first-child { border-left-color: transparent; }

  .data td {
    padding: 8px 0;
    border-bottom: 1px dashed var(--line-soft);
  }

  .data td:last-child { border-bottom: 0; }

  .data td::before {
    content: attr(data-label);
    display: block;
    font: 500 11px var(--cond);
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 3px;
  }

  .data td[data-label=""] { text-align: right; }
  .data td[data-label=""]::before { content: none; margin-bottom: 0; }

  .title-sub { max-width: none; white-space: normal; }
  .row-actions { flex-wrap: wrap; }

  .detail-head h1 { font-size: 24px; }
  .err b { font-size: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media print {
  .rail, .hazard, .controls, .row-actions, .drawer, .toasts { display: none; }
  body { background: #fff; }
}