/* RBMK Tycoon portal - a control room at night: enamel-green panels, annunciator amber, status green. */
:root {
  --bg: #0d1311;
  --bg-2: #111916;
  --panel: #16201c;
  --panel-2: #1c2823;
  --line: #2a3a33;
  --line-2: #3a4e45;
  --fg: #e6eee8;
  --dim: #94a89e;
  --faint: #66796f;
  --amber: #f2a93b;
  --amber-ink: #2a1a03;
  --green: #57e389;
  --red: #ff5f4a;
  --cyan: #63d6e6;
  --violet: #b59cff;
  --display: "Chakra Petch", "Bahnschrift", "Segoe UI", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --r: 6px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--fg); font: 15px/1.55 var(--body); }
a { color: var(--amber); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: .01em; text-wrap: balance; margin: 0; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.label { font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
[hidden] { display: none !important; }

/* ---------- buttons & fields */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 16px; border-radius: var(--r);
  border: 1px solid var(--line-2); background: var(--panel-2); cursor: pointer; font-weight: 600; text-decoration: none; color: var(--fg); white-space: nowrap; }
.btn:hover { border-color: var(--amber); }
.btn.primary { background: var(--amber); border-color: var(--amber); color: var(--amber-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.danger { border-color: #6b2a22; color: #ffb3a8; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.field { display: grid; gap: 6px; }
.field > span { font-size: 13px; color: var(--dim); }
input[type=text], input[type=password], input:not([type]), select, textarea {
  width: 100%; padding: 10px 12px; border-radius: var(--r); border: 1px solid var(--line-2); background: var(--bg-2); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--amber); }
textarea { min-height: 110px; resize: vertical; }
.err { color: var(--red); font-size: 14px; min-height: 1.4em; }

/* ---------- landing */
.land { min-height: 100vh; display: grid; grid-template-rows: auto 1fr auto; }
.land-top { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-block: 18px; padding-left: max(24px, env(safe-area-inset-left)); padding-right: max(24px, env(safe-area-inset-right)); }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: .06em; }
.brand .mark { width: 34px; height: 34px; border-radius: 50%; border: 3px solid var(--amber); display: grid; place-items: center; }
.brand .mark i { width: 10px; height: 10px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.brand small { display: block; font: 500 10px/1 var(--mono); letter-spacing: .3em; color: var(--dim); }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, 420px); gap: clamp(24px, 4vw, 64px); align-items: center;
  padding: 24px max(24px, env(safe-area-inset-right)) 56px max(24px, env(safe-area-inset-left)); max-width: 1320px; margin: 0 auto; width: 100%; }
.hero h1 { font-size: clamp(38px, 5.4vw, 72px); line-height: 1.02; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero p.lead { font-size: 18px; color: var(--dim); max-width: 34em; margin: 18px 0 26px; }
.shot { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.shot img { display: block; width: 100%; height: auto; }
.shot .ann { position: absolute; left: 14px; bottom: 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.ann span { font: 600 11px/1 var(--mono); letter-spacing: .08em; padding: 7px 9px; border-radius: 3px; background: rgba(13,19,17,.85); border: 1px solid var(--line-2); }
.ann span.on { background: var(--amber); color: var(--amber-ink); border-color: var(--amber); animation: blink 1.4s steps(2, end) infinite; }
@keyframes blink { 50% { background: #5a3d10; color: var(--amber); } }
@media (prefers-reduced-motion: reduce) { .ann span.on { animation: none; } }

.auth { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 22px; display: grid; gap: 14px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line-2); border-radius: var(--r); overflow: hidden; }
.tabs button { padding: 10px; background: transparent; border: 0; cursor: pointer; color: var(--dim); font-weight: 600; }
.tabs button.on { background: var(--panel-2); color: var(--fg); box-shadow: inset 0 -2px 0 var(--amber); }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; }
.avatar-pick { display: flex; gap: 8px; }
.avatar-pick button { width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; }
.avatar-pick button.on { border-color: var(--fg); }

.modes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: 1320px; margin: 0 auto 64px; padding-inline: max(24px, env(safe-area-inset-left)) max(24px, env(safe-area-inset-right)); }
.mode { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 22px; display: grid; gap: 10px; align-content: start; }
.mode h3 { font-size: 22px; }
.mode p { margin: 0; color: var(--dim); }
.mode ul { margin: 4px 0 0; padding-left: 18px; color: var(--dim); }
.mode .label { color: var(--amber); }
.strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; max-width: 1320px; margin: 0 auto 72px; padding-inline: max(24px, env(safe-area-inset-left)) max(24px, env(safe-area-inset-right)); }
.strip figure { margin: 0; }
.strip img { width: 100%; border-radius: 8px; border: 1px solid var(--line); display: block; }
.strip figcaption { color: var(--dim); font-size: 14px; margin-top: 8px; }
.foot { border-top: 1px solid var(--line); color: var(--faint); font-size: 13px; padding: 28px max(24px, env(safe-area-inset-left)) 22px; text-align: center; display: grid; gap: 18px; }
.foot p { margin: 0; }
.credits { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px 40px; }
.credits div { display: grid; gap: 6px; }
.credits b { font-family: var(--display); font-size: 18px; color: var(--fg); letter-spacing: .04em; }
.trailer { max-width: 1320px; margin: 0 auto 64px; padding-inline: max(24px, env(safe-area-inset-left)) max(24px, env(safe-area-inset-right)); display: grid; gap: 14px; }
.trailer-head h2 { font-size: clamp(24px, 3vw, 34px); margin-top: 6px; }
.trailer video { width: 100%; aspect-ratio: 16 / 9; border-radius: 10px; border: 1px solid var(--line); background: #000; box-shadow: 0 30px 80px rgba(0,0,0,.5); display: block; }

/* ---------- app shell */
.shell { min-height: 100vh; display: grid; grid-template-columns: 232px minmax(0, 1fr); }
.side { background: var(--bg-2); border-right: 1px solid var(--line); padding: 18px 12px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: 100vh; }
.nav { display: grid; gap: 2px; }
.nav a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 12px; border-radius: var(--r); color: var(--dim); text-decoration: none; font-weight: 500; }
.nav a:hover { background: var(--panel); color: var(--fg); }
.nav a.on { background: var(--panel-2); color: var(--fg); box-shadow: inset 3px 0 0 var(--amber); }
.count { font: 600 11px/1 var(--mono); background: var(--amber); color: var(--amber-ink); padding: 3px 6px; border-radius: 10px; }
.me { margin-top: auto; display: flex; align-items: center; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: var(--r); }
.me .who { min-width: 0; }
.me .who b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me .who small { color: var(--dim); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--faint); flex: none; }
.dot.on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.av { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 700 14px var(--display); color: #0d1311; flex: none; }
.av.sm { width: 26px; height: 26px; font-size: 12px; }
.main { padding: 26px clamp(16px, 3vw, 40px) 60px; min-width: 0; }
.head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.head h1 { font-size: 30px; }
.head p { margin: 4px 0 0; color: var(--dim); }
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; min-width: 0; }
.card h2 { font-size: 19px; margin-bottom: 10px; }
.card .sub { color: var(--dim); margin: 0 0 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > .grow { flex: 1; min-width: 160px; }
.row > select, .row > input { width: auto; max-width: 100%; }
.chip { font: 600 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 5px 8px; border-radius: 3px; border: 1px solid var(--line-2); color: var(--dim); white-space: nowrap; }
.chip.grid { color: var(--cyan); border-color: #24535a; }
.chip.crew { color: var(--violet); border-color: #44386a; }
.chip.urgent { background: var(--red); color: #250500; border-color: var(--red); }
.chip.high { color: var(--amber); border-color: #6c4b18; }
.chip.low { color: var(--faint); }
.world-card { display: grid; gap: 12px; }
.world-card .top { display: flex; justify-content: space-between; gap: 10px; align-items: start; }
.world-card h3 { font-size: 20px; }
.code { font: 600 18px/1 var(--mono); letter-spacing: .2em; color: var(--amber); background: var(--bg-2); border: 1px dashed var(--line-2); padding: 8px 12px; border-radius: var(--r); }
.people { display: flex; flex-wrap: wrap; gap: 6px; }
.person { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px 4px 4px; border-radius: 20px; background: var(--bg-2); border: 1px solid var(--line); font-size: 13px; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); padding: 8px; border-bottom: 1px solid var(--line); }
td { padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table-wrap { overflow-x: auto; }
.empty { color: var(--dim); padding: 22px; text-align: center; border: 1px dashed var(--line-2); border-radius: 10px; }

/* ---------- board */
.board { display: grid; grid-template-columns: repeat(4, minmax(240px, 1fr)); gap: 14px; overflow-x: auto; padding-bottom: 8px; }
.col { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; min-height: 300px; display: flex; flex-direction: column; gap: 10px; }
.col.drop { border-color: var(--amber); }
.col > header { display: flex; justify-content: space-between; align-items: center; }
.col > header b { font-family: var(--display); letter-spacing: .06em; }
.task { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--line-2); border-radius: 8px; padding: 10px 12px; cursor: grab; display: grid; gap: 8px; }
.task:hover { border-color: var(--line-2); }
.task.p-urgent { border-left-color: var(--red); }
.task.p-high { border-left-color: var(--amber); }
.task.p-normal { border-left-color: var(--cyan); }
.task b { font-weight: 600; }
.task .meta { display: flex; justify-content: space-between; gap: 8px; color: var(--dim); font-size: 12px; align-items: center; }
.drawer { position: fixed; inset: 0 0 0 auto; width: min(520px, 100vw); background: var(--panel); border-left: 1px solid var(--line-2); box-shadow: -30px 0 60px rgba(0,0,0,.5);
  padding: 22px; overflow-y: auto; z-index: 20; display: grid; gap: 14px; align-content: start; }
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 19; }
.comment { display: grid; grid-template-columns: auto 1fr; gap: 10px; }
.comment p { margin: 2px 0 0; white-space: pre-wrap; }
.comment small { color: var(--faint); }

/* ---------- chat & mail */
.chat { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 16px; height: calc(100vh - 150px); min-height: 420px; }
.chat .list { overflow-y: auto; display: grid; gap: 4px; align-content: start; }
.chat .list button { text-align: left; padding: 10px; border-radius: var(--r); border: 1px solid transparent; background: transparent; cursor: pointer; display: flex; gap: 8px; align-items: center; }
.chat .list button.on { background: var(--panel-2); border-color: var(--line-2); }
.chat .room { display: grid; grid-template-rows: 1fr auto; min-height: 0; }
.msgs { overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 4px 4px 12px; }
.msg { display: grid; grid-template-columns: auto 1fr; gap: 10px; }
.msg .body { background: var(--bg-2); border: 1px solid var(--line); border-radius: 0 10px 10px 10px; padding: 8px 12px; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.mine .body { border-color: #5a4318; }
.msg small { color: var(--faint); }
.mailbox { display: grid; grid-template-columns: minmax(260px, 340px) minmax(0, 1fr); gap: 16px; }
.mail-item { display: grid; gap: 2px; padding: 12px; border-bottom: 1px solid var(--line); cursor: pointer; }
.mail-item:hover { background: var(--panel-2); }
.mail-item.unread b::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); margin-right: 8px; vertical-align: middle; }
.mail-item small { color: var(--faint); }
.letter { white-space: pre-wrap; background: #e9e4d6; color: #22201b; border-radius: 6px; padding: 28px; font-family: "IBM Plex Mono", monospace; font-size: 14px; line-height: 1.7;
  background-image: repeating-linear-gradient(transparent 0 27px, rgba(30,60,90,.12) 27px 28px); }
.log { display: grid; gap: 6px; max-height: 360px; overflow-y: auto; font-family: var(--mono); font-size: 13px; }
.log div { display: grid; grid-template-columns: 54px 1fr; gap: 8px; color: var(--dim); }
.log div b { color: var(--fg); font-weight: 500; }
.log .k-alarm b, .log .k-trip b { color: var(--red); }
.log .k-audit b { color: var(--violet); }

#toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 50; width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--panel-2); border: 1px solid var(--line-2); border-left: 3px solid var(--amber); padding: 12px 14px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,.4); animation: in .2s ease-out; }
@keyframes in { from { transform: translateY(8px); opacity: 0; } }

/* ---------- responsive */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .modes { grid-template-columns: 1fr; }
  .strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .nav { grid-auto-flow: column; overflow-x: auto; }
  .me { margin-top: 0; margin-left: auto; }
  .cols-2, .chat, .mailbox { grid-template-columns: 1fr; }
  .chat { height: auto; }
  .msgs { max-height: 60vh; }
}