:root {
  --ground: #eef0f4;
  --surface: #ffffff;
  --surface-2: #f7f8fa;
  --sunken: #e4e8ee;
  --ink: #12151b;
  --ink-2: #3d4a5d;
  --ink-3: #5c6f8c;
  --line: #dfe4eb;
  --line-2: #bcc5d3;
  --accent: #1772eb;
  --accent-2: #589af0;
  --accent-soft: #eaf2fd;
  --good: #17835b;
  --good-soft: #dcf1e8;
  --warn: #b45309;
  --warn-soft: #fbeedb;
  --bad: #c2352c;
  --bad-soft: #fbe3e1;
  --shadow: 0 1px 2px rgba(15, 23, 32, .07), 0 6px 18px -10px rgba(15, 23, 32, .22);
  --brand: #29b2fe;
  --bar: #12151b;
  --bar-line: #232a35;
  --bar-ink: #bcc5d3;
  --bar-ink-2: #fcfcfd;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --disp: Archivo, "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --rail-w: 212px;
  --list-w: 392px;
  --colpad: 24px;
  --mark-h: 21px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --ground: #0d1016;
  --surface: #171c25;
  --surface-2: #1e2430;
  --sunken: #0b0e13;
  --ink: #eef0f4;
  --ink-2: #bcc5d3;
  --ink-3: #8593a8;
  --line: #232a35;
  --line-2: #3d4a5d;
  --accent: #589af0;
  --accent-2: #acccf8;
  --accent-soft: #12233d;
  --good: #3fbd8b;
  --good-soft: #10302a;
  --warn: #e0983c;
  --warn-soft: #31240f;
  --bad: #f0736a;
  --bad-soft: #331815;
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 8px 24px -12px rgba(0, 0, 0, .7);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--disp); margin: 0; letter-spacing: -0.01em; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
[hidden] { display: none !important; }

.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  height: 54px;
  background: var(--bar);
  border-bottom: 1px solid var(--bar-line);
}
.brand { display: flex; align-items: center; flex: 0 0 auto; }
.fl-lock { display: flex; align-items: center; }
.fl-lock .fllogo { height: calc(var(--mark-h) * 1.45); width: auto; display: block; }
.fl-lock .fllogo .flword { fill: var(--bar-ink-2); }
.fl-lock .plate {
  position: relative;
  display: block;
  height: calc(var(--mark-h) * 1.22);
  margin-left: calc(var(--mark-h) * 0.14);
  top: calc(var(--mark-h) * 0.02);
}
.fl-lock .plate svg { height: 100%; width: auto; display: block; overflow: visible; }
.fl-lock .plate path { fill: var(--brand); }
.fl-lock .plate b {
  position: absolute;
  left: 14%;
  right: 8%;
  top: 50%;
  transform: translateY(-50%) skewX(-12deg);
  font-family: var(--disp);
  font-weight: 600;
  font-size: calc(var(--mark-h) * 0.72);
  line-height: 1;
  text-align: center;
  color: #0e1419;
}
.tabs { display: flex; gap: 4px; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  white-space: nowrap;
  font-family: var(--disp);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--bar-ink);
  padding: 6px 13px;
  border-radius: 9px;
}
.tab:hover { color: var(--bar-ink-2); background: rgba(255, 255, 255, .07); }
.tab[aria-selected="true"] { color: #14202a; background: var(--brand); }
.topbar .spacer { flex: 1 1 auto; }
.shiftpill, .whoami {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--bar-line);
  font-size: 12.5px;
  color: var(--bar-ink);
  white-space: nowrap;
}
.whoami { padding: 3px 11px 3px 4px; }
.whoami.signin { background: transparent; border: 0; padding: 0; }
.whoami .nm { color: var(--bar-ink-2); font-weight: 500; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--good); }
.iconbtn {
  width: 31px;
  height: 31px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: var(--bar-ink);
}
.iconbtn:hover, .iconbtn[aria-pressed="true"] { background: rgba(255, 255, 255, .07); color: var(--bar-ink-2); }
#railToggle { display: none; }

.shell { flex: 1 1 auto; min-height: 0; display: flex; }
.panel { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.rail {
  flex: 0 0 var(--rail-w);
  background: var(--surface);
  border-right: 1px solid var(--line);
  overflow-y: auto;
  padding: 14px 10px 16px;
}
.eyebrow {
  font-family: var(--disp);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 0 8px 7px;
}
.qbtn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 9px;
  border-radius: 9px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
}
.qbtn:hover { background: var(--surface-2); }
.qbtn[aria-current="true"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.qbtn .n { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.qbtn[aria-current="true"] .n { color: var(--accent); }

.list {
  flex: 0 0 var(--list-w);
  background: var(--surface);
  border-right: 1px solid var(--line);
}
.listhead {
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.listhead .row { display: flex; align-items: center; gap: 8px; }
.listhead h2 { font-size: 15px; font-weight: 600; }
.count { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); }
.search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  border-radius: 9px;
  background: var(--sunken);
  color: var(--ink-3);
}
.search:focus-within { border-color: var(--accent-2); background: var(--surface); border: 1px solid var(--accent-2); }
.search input { flex: 1; min-width: 0; background: none; border: 0; outline: none; font-size: 13.5px; color: var(--ink); }
.ghost {
  padding: 6px 10px;
  border-radius: 9px;
  border: 1px solid var(--line-2);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--surface);
}
.ghost:hover { background: var(--surface-2); color: var(--ink); }
.ghost.primary { background: var(--accent); border-color: var(--accent); color: #fff; margin-left: auto; }
.ghost.primary:hover { filter: brightness(1.08); }
.tickets { flex: 1; overflow-y: auto; }
.trow {
  width: 100%;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 11px;
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.trow:hover { background: var(--surface-2); }
.trow[aria-current="true"] { background: var(--accent-soft); }
.trow[aria-current="true"]::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent);
}
.trow .line1 { display: flex; align-items: baseline; gap: 7px; }
.trow .who { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trow .subj {
  color: var(--ink-2);
  margin-top: 1px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.trow .line3 { display: flex; align-items: center; gap: 6px; margin-top: 7px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 1.5px 7px;
  border-radius: 6px;
  font-size: 10.5px;
  font-weight: 600;
  font-family: var(--disp);
  background: var(--sunken);
  color: var(--ink-2);
}
.chip.p-urgent { background: var(--bad-soft); color: var(--bad); }
.chip.p-high { background: var(--warn-soft); color: var(--warn); }
.chip.p-normal { background: var(--accent-soft); color: var(--accent); }
.chip.tag { background: transparent; border: 1px solid var(--line-2); color: var(--ink-3); font-weight: 500; }
.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--disp);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}
.empty { padding: 44px 24px; text-align: center; color: var(--ink-3); }
.error { color: var(--bad); padding: 12px 14px; margin: 0; }

.conv { flex: 1; background: var(--ground); }
.convhead {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 13px var(--colpad);
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.convhead h2 { font-size: 24px; font-weight: 600; line-height: 1.25; }
.controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.field { display: flex; align-items: center; gap: 6px; }
.field span {
  font-size: 11.5px;
  color: var(--ink-3);
  font-family: var(--disp);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
select.sel, .txt {
  height: 30px;
  padding: 0 8px;
  border-radius: 9px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  font-size: 12.5px;
  font-weight: 500;
}
.txt { width: 140px; }
.thread {
  flex: 1;
  overflow-y: auto;
  padding: 18px var(--colpad) 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.msg {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.msg.out { background: var(--accent-soft); border-color: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent), var(--shadow); }
.msg.note { background: var(--warn-soft); border-color: transparent; box-shadow: inset 3px 0 0 var(--warn), var(--shadow); }
.msghead { display: flex; align-items: center; gap: 9px; padding: 10px 14px 0; }
.msghead .nm { font-weight: 600; }
.msgbody { padding: 7px 16px 14px; font-size: 14px; line-height: 1.6; color: var(--ink-2); white-space: pre-wrap; }
.composer {
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 12px var(--colpad) 14px;
}
.comptabs { display: flex; gap: 4px; margin-bottom: 9px; }
.comptab {
  font-family: var(--disp);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--ink-3);
}
.comptab[aria-selected="true"] { background: var(--sunken); color: var(--ink); }
textarea.body {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  padding: 11px 12px;
  border-radius: 9px;
  border: 1px solid var(--line-2);
  background: var(--surface-2);
  font-size: 13.5px;
  line-height: 1.55;
  outline: none;
}
textarea.body:focus, select.sel:focus, .txt:focus { border-color: var(--accent-2); background: var(--surface); }
.comprow { display: flex; align-items: center; gap: 8px; margin-top: 9px; flex-wrap: wrap; }
.comprow .grow { margin-left: auto; }
.backbtn { display: none; }

.cust {
  flex: 0 0 300px;
  background: var(--surface);
  border-left: 1px solid var(--line);
  overflow-y: auto;
}
.cust .csec { padding: 14px var(--colpad); border-bottom: 1px solid var(--line); }
.cust h4 {
  font: 600 11px/1 var(--disp);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 10px;
}
.cust .who { display: flex; flex-direction: column; align-items: center; gap: 9px; text-align: center; }
.cust .who .avatar { width: 42px; height: 42px; font-size: 15px; }
.cust .who b { font: 600 19px/1.2 var(--disp); }
.cust .addr { font-size: 12px; color: var(--ink-3); overflow-wrap: anywhere; }
.kv { display: flex; flex-direction: column; gap: 9px; }
.kv div { display: flex; gap: 10px; font-size: 12.5px; }
.kv .k { flex: 0 0 72px; color: var(--ink-3); }
.page { flex: 1; overflow: auto; padding: 22px 24px 44px; background: var(--ground); }
.pagehead h1 { font-size: 23px; font-weight: 700; }
.pagehead p { margin: 6px 0 0; color: var(--ink-2); font-size: 15px; }

@media (max-width: 1400px) { .cust { display: none; } }
@media (max-width: 1080px) {
  .list { flex-basis: 340px; }
  :root { --rail-w: 186px; }
}
@media (max-width: 860px) {
  #railToggle { display: grid; }
  .rail { display: none; }
  .rail.show { display: flex; position: absolute; inset: 0 auto 0 0; z-index: 20; width: 230px; box-shadow: var(--shadow); }
  .shell { position: relative; }
  .list { flex: 1 1 auto; }
  .conv { display: none; }
  body.detail .list, body.detail .rail { display: none; }
  body.detail .conv { display: flex; }
  .backbtn { display: inline-flex; }
  .shiftpill, .whoami .nm { display: none; }
}
@media (max-width: 560px) {
  .fl-lock .plate { display: none; }
  .topbar { gap: 6px; padding-inline: 12px; }
  .tab { padding: 7px 9px; font-size: 12.5px; }
}