:root {
  --bg: #0b0e13;
  --panel: #141922;
  --panel-2: #1b212c;
  --line: #262e3c;
  --text: #d8dee9;
  --dim: #7d8899;
  --accent: #35d0a5;
  --accent-2: #4aa8ff;
  --hot: #ff4d5e;
  --warn: #ffb347;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

code, .mono { font-family: var(--mono); }

/* ---------------- top bar ---------------- */
.topbar {
  display: flex; flex-wrap: wrap; gap: 18px; align-items: center;
  padding: 12px 18px;
  background: linear-gradient(180deg, #161c26, #10151d);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 14px; }
.onair {
  font: 700 12px/1 var(--mono); letter-spacing: .12em;
  padding: 10px 12px; border-radius: 4px;
  background: #2a1116; color: #93404b; border: 1px solid #3a1a20;
}
.onair.live {
  background: #3b0f16; color: #fff; border-color: var(--hot);
  box-shadow: 0 0 14px rgba(255,77,94,.55);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { box-shadow: 0 0 4px rgba(255,77,94,.25); } }
.station { font-weight: 700; font-size: 17px; letter-spacing: .04em; }
.freq { font-family: var(--mono); font-size: 24px; color: var(--accent); line-height: 1.1; }
.freq small { font-size: 12px; color: var(--dim); }

.transport { display: flex; gap: 6px; flex-wrap: wrap; }
.btn {
  font: 600 11px/1 var(--mono); letter-spacing: .08em;
  padding: 9px 12px; border-radius: 4px; cursor: pointer;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
}
.btn:hover { border-color: var(--accent-2); color: #fff; }
.btn.start:hover { border-color: var(--accent); }
.btn.stop:hover, .btn.danger:hover { border-color: var(--hot); color: var(--hot); }
.btn.active { background: var(--warn); color: #201400; border-color: var(--warn); }
.btn.ghost { background: transparent; }

.endpoint { margin-left: auto; display: flex; gap: 16px; align-items: center; }
.endpoint .label { font-size: 10px; color: var(--dim); letter-spacing: .1em; }
.endpoint code { color: var(--accent-2); font-size: 13px; }
.endpoint .value { font-family: var(--mono); font-size: 18px; }

.warning {
  padding: 8px 18px; background: #3a2a08; color: var(--warn);
  border-bottom: 1px solid #55400c; font-size: 12px;
}
.warning code { color: #ffe0a3; }
.hidden { display: none; }

/* ---------------- layout ---------------- */
main {
  display: grid; gap: 12px; padding: 12px;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  align-items: start;
}
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 6px; padding: 12px;
}
.panel.wide { grid-column: 1 / -1; }
.panel-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.panel-head h2 { margin: 0; font-size: 11px; letter-spacing: .14em; color: var(--dim); font-weight: 700; }
.sub { font-size: 10px; color: #5c6678; letter-spacing: .06em; }
.head-tools { margin-left: auto; display: flex; gap: 12px; align-items: center; font-size: 11px; color: var(--dim); }
.head-tools select { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); border-radius: 3px; padding: 2px 4px; }
.badge { font: 700 9px/1 var(--mono); letter-spacing: .1em; padding: 4px 6px; border-radius: 3px; }
.badge.warn { background: #3a2a08; color: var(--warn); border: 1px solid #55400c; }
.note { font-size: 11px; color: var(--dim); margin: 8px 0 0; }

canvas { display: block; width: 100%; background: #070a0e; border-radius: 4px; }
#waterfall { margin-top: 2px; }
.axis {
  display: flex; justify-content: space-between;
  font: 10px var(--mono); color: var(--dim); padding: 4px 2px 0;
}

/* ---------------- key/value ---------------- */
.kv { display: flex; align-items: center; gap: 8px; padding: 3px 0; font-size: 12px; }
.kv > span:first-child { color: var(--dim); width: 76px; flex: none; font-size: 11px; }
.kv code { color: var(--text); word-break: break-all; }
.kv code.big { font-size: 16px; letter-spacing: .12em; color: var(--accent); }
.bar { flex: 1; height: 8px; background: #0a0d12; border-radius: 4px; overflow: hidden; }
.bar > div { height: 100%; width: 0; background: var(--accent-2); transition: width .2s; }

.chunks { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.chunk {
  font: 11px var(--mono); white-space: pre; padding: 3px 5px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 3px; color: var(--dim);
}
.chunk.on { background: #10322a; border-color: var(--accent); color: var(--accent); }

/* ---------------- custom RDS preview ---------------- */
.preview {
  margin-top: 14px; padding: 10px 12px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 4px;
}
.preview .chunks { margin-top: 0; }
.preview details { margin-top: 10px; }
.preview summary { font-size: 11px; color: var(--dim); cursor: pointer; letter-spacing: .06em; }
.vars {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 2px 14px; margin-top: 8px; font: 11px var(--mono);
  max-height: 240px; overflow-y: auto;
}
.vars b { color: var(--accent-2); font-weight: 400; margin-right: 6px; }
.vars span { color: var(--dim); }

/* ---------------- budget / status rows ---------------- */
.budget { display: flex; flex-direction: column; gap: 4px; }
.brow {
  display: grid; align-items: center; gap: 10px;
  grid-template-columns: 120px 1fr 78px 56px minmax(0, 1.2fr);
  font: 11px var(--mono);
}
.brow.off { opacity: .45; }
.bname { color: var(--dim); }
.bbar { height: 8px; background: #0a0d12; border-radius: 4px; overflow: hidden; }
.bbar > i { display: block; height: 100%; background: var(--accent-2); }
.brow:last-child .bbar > i { background: var(--accent); }
.bval { color: var(--text); text-align: right; }
.bval.wide { grid-column: 2 / 5; text-align: left; color: var(--accent); word-break: break-all; }
.bpct { color: var(--accent); text-align: right; }
.bnote { color: #5c6678; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 680px) {
  .brow { grid-template-columns: 96px 1fr 64px; }
  .bpct, .bnote { display: none; }
  .bval.wide { grid-column: 2 / 4; }
}

/* ---------------- VU ---------------- */
.vu-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.vu-label { font: 700 11px var(--mono); color: var(--dim); width: 12px; }
.vu-track { position: relative; flex: 1; height: 16px; background: #0a0d12; border-radius: 3px; overflow: hidden; }
.vu-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, #1f7a5a 0%, var(--accent) 60%, var(--warn) 82%, var(--hot) 96%);
  transition: width .06s linear;
}
.vu-peak { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; left: 0; opacity: .8; }
.vu-db { font: 11px var(--mono); color: var(--dim); width: 46px; text-align: right; }
.vu-scale { display: flex; justify-content: space-between; font: 9px var(--mono); color: #4d5566; padding-left: 20px; padding-right: 46px; }

/* ---------------- now playing ---------------- */
.np { display: flex; gap: 10px; margin-bottom: 8px; }
.np img { width: 68px; height: 68px; border-radius: 4px; background: #0a0d12; object-fit: cover; flex: none; }
.np-title { font-weight: 600; font-size: 14px; }
.np-artist { color: var(--accent); font-size: 12px; }
.np-album { color: var(--dim); font-size: 11px; }

/* ---------------- clients & stats ---------------- */
table.clients { width: 100%; border-collapse: collapse; font: 11px var(--mono); }
table.clients th { text-align: left; color: var(--dim); font-weight: 500; border-bottom: 1px solid var(--line); padding: 4px 6px 4px 0; }
table.clients td { padding: 4px 6px 4px 0; border-bottom: 1px solid #1b2029; }
table.clients tr.empty td { color: #4d5566; text-align: center; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.stat { background: var(--panel-2); border-radius: 4px; padding: 7px 9px; }
.stat .k { font-size: 10px; color: var(--dim); letter-spacing: .04em; }
.stat .v { font: 15px var(--mono); color: var(--text); }
.stat.hot .v { color: var(--hot); }

/* ---------------- controls ---------------- */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 12px; }
.tab {
  font: 600 10px/1 var(--mono); letter-spacing: .09em; padding: 8px 11px; cursor: pointer;
  background: transparent; color: var(--dim); border: 1px solid transparent; border-radius: 4px;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--panel-2); color: var(--accent); border-color: var(--line); }
.tabpage { display: none; }
.tabpage.active { display: block; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px 14px; }
.grid label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 11px; color: var(--dim);
}
.grid label.wide-field { grid-column: span 2; }
@media (max-width: 620px) { .grid label.wide-field { grid-column: span 1; } }
.grid input[type=text], .grid input[type=number], .grid select {
  background: #0d1117; color: var(--text); border: 1px solid var(--line);
  border-radius: 4px; padding: 6px 8px; font: 12px var(--mono); width: 100%;
}
.grid input:focus, .grid select:focus { outline: none; border-color: var(--accent-2); }
.grid input[type=checkbox] { width: 34px; height: 18px; accent-color: var(--accent); align-self: flex-start; }
.grid input[type=range] { width: 100%; accent-color: var(--accent); }
.grid label .rangeval { font: 11px var(--mono); color: var(--accent); }

footer {
  padding: 14px 18px 24px; color: #556; font-size: 11px;
  border-top: 1px solid var(--line); margin-top: 8px;
}


.system-strip{display:flex;gap:10px;padding:10px 16px;background:#0e1420;border-bottom:1px solid #273247;position:sticky;top:0;z-index:20}
.system-strip>div{min-width:120px;padding:8px 12px;background:#151d2b;border:1px solid #26334a;border-radius:8px}
.system-strip span{display:block;font-size:10px;color:#7e8ba3;letter-spacing:.08em}.system-strip strong{font-size:18px}
.pin-lock{position:fixed;inset:0;background:rgba(3,6,12,.94);display:grid;place-items:center;z-index:1000}.pin-lock.hidden{display:none}.pin-card{width:min(360px,90vw);padding:28px;background:#111827;border:1px solid #30405b;border-radius:14px;box-shadow:0 20px 70px rgba(0,0,0,.5);text-align:center}.pin-title{font-size:22px;font-weight:800}.pin-sub{margin:8px 0 18px;color:#8e9bb0}.pin-card input{width:100%;box-sizing:border-box;padding:12px;margin-bottom:10px;background:#0a101a;color:#fff;border:1px solid #33435d;border-radius:8px}.pin-card button{width:100%}.pin-error{min-height:20px;margin-top:10px;color:#ff6b81}.hd-live-grid input{width:100%;box-sizing:border-box;margin:7px 0;padding:9px;background:#0a101a;color:#fff;border:1px solid #33435d;border-radius:7px}.hd-live-grid .action{margin-top:4px}