:root {
  --bg: #0b1020;
  --card: #151b33;
  --card2: #1d2547;
  --fg: #eef1ff;
  --muted: #b9c0e6;
  --accent: #5b8cff;
  --accent2: #36d399;
  --danger: #ff6b6b;
  --radius: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1b2550 0%, var(--bg) 60%);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar { padding: 18px 20px 6px; text-align: center; }
.brand-row { display: flex; align-items: center; justify-content: center; gap: 10px; position: relative; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: 0.2px; }
.lang { background: var(--card2); color: var(--fg); border: 1px solid #ffffff20; border-radius: 8px; padding: 4px 8px; font-size: 13px; cursor: pointer; }
.brand-row { }
html[dir="rtl"] .tile, html[dir="rtl"] .dev-plan { text-align: right; }
html[dir="rtl"] .code-input, html[dir="rtl"] .code-big { letter-spacing: normal; }
.tagline { color: var(--muted); font-size: 13px; margin-top: 2px; }
.wrap { flex: 1; width: 100%; max-width: 560px; margin: 0 auto; padding: 18px 16px 40px; }
.foot { text-align: center; color: var(--muted); font-size: 11px; padding: 16px; }

h1 { font-size: 24px; margin: 6px 0 4px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.sub { color: var(--muted); margin: 0 0 18px; }
.muted { color: var(--muted); font-size: 13px; margin-top: 8px; }

.step { animation: fade 0.25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Intent tiles */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tile {
  background: var(--card); border: 1px solid #ffffff14; border-radius: var(--radius);
  padding: 18px 14px; text-align: left; cursor: pointer; color: var(--fg);
  transition: transform 0.12s, border-color 0.12s, background 0.12s;
}
.tile:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--card2); }
.tile.soon { opacity: 0.5; cursor: not-allowed; }
.tile-icon { font-size: 30px; }
.tile-title { font-weight: 650; margin-top: 8px; }
.tile-desc { color: var(--muted); font-size: 12px; margin-top: 3px; }

/* Buttons */
.big {
  display: block; width: 100%; padding: 15px; font-size: 16px; font-weight: 600;
  border-radius: var(--radius); border: 1px solid #ffffff20; background: var(--card2);
  color: var(--fg); cursor: pointer; margin: 8px 0;
}
.big.primary { background: linear-gradient(180deg, #6a97ff, var(--accent)); border-color: transparent; }
.big:hover { filter: brightness(1.08); }
.small { padding: 9px 14px; border-radius: 10px; border: 1px solid #ffffff20; background: var(--card2); color: var(--fg); cursor: pointer; font-size: 13px; }
.small.ghost { background: transparent; color: var(--muted); margin-top: 18px; }
.row { display: flex; flex-direction: column; gap: 4px; margin-top: 14px; }

/* Probe */
.probe { border-radius: 12px; padding: 12px 14px; font-size: 14px; margin: 6px 0 4px; border: 1px dashed #ffffff22; }
.probe[data-state="scanning"] { color: var(--muted); }
.probe[data-state="ready"] { color: var(--accent2); border-color: #36d39955; background: #36d3990f; }

/* Pairing */
.qr { display: flex; justify-content: center; margin: 8px 0; }
.qr svg { background: #fff; padding: 10px; border-radius: 12px; }
.code-big { font-size: 40px; font-weight: 800; letter-spacing: 8px; text-align: center; margin: 10px 0; color: var(--accent2); }
.linkrow { display: flex; gap: 8px; }
.link { flex: 1; padding: 11px; border-radius: 10px; border: 1px solid #ffffff20; background: #0d1226; color: var(--fg); font-size: 13px; }
.code-input {
  width: 100%; padding: 16px; font-size: 30px; text-align: center; letter-spacing: 10px;
  text-transform: uppercase; border-radius: 12px; border: 1px solid #ffffff20; background: #0d1226; color: var(--fg);
}
.error-text { color: var(--danger); font-size: 13px; min-height: 18px; margin: 8px 0; }

/* Live */
.connected-head { display: flex; align-items: center; justify-content: space-between; }
.badge { background: #36d3991a; color: var(--accent2); border: 1px solid #36d39955; padding: 6px 12px; border-radius: 999px; font-weight: 600; font-size: 14px; }
.panel { background: var(--card); border: 1px solid #ffffff12; border-radius: var(--radius); padding: 16px; margin: 14px 0; }
.dropzone { border: 2px dashed #ffffff2a; border-radius: 12px; padding: 22px; text-align: center; transition: 0.15s; }
.dropzone.over { border-color: var(--accent); background: #5b8cff14; }
.filebtn { display: inline-block; margin-top: 6px; padding: 9px 16px; border-radius: 10px; background: var(--accent); color: #fff; cursor: pointer; font-size: 14px; }
.textrow { display: flex; gap: 8px; margin-top: 12px; }
.recv { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.recv-line, .recv-file { background: #0d1226; padding: 9px 12px; border-radius: 9px; font-size: 13px; word-break: break-word; }
.recv-file { color: var(--accent2); text-decoration: none; display: block; }
.prog-label { margin-bottom: 6px; }
.prog { height: 6px; background: #ffffff14; border-radius: 999px; overflow: hidden; }
.prog-fill { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width 0.1s linear; }
video { width: 100%; border-radius: 12px; margin-top: 8px; background: #000; }

/* Spinner */
.spinner { width: 44px; height: 44px; border: 4px solid #ffffff22; border-top-color: var(--accent); border-radius: 50%; margin: 10px auto 18px; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.qr-fallback { color: var(--muted); font-size: 13px; }

/* Dev Mode */
.dev-plan { margin-top: 12px; }
.dev-tier { display: inline-block; background: #5b8cff1a; color: var(--accent); border: 1px solid #5b8cff55; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; margin-bottom: 6px; }
.dev-plan p { font-size: 14px; color: var(--fg); margin: 6px 0; }
.agent-note { margin-top: 14px; padding: 12px 14px; background: #0d1226; border: 1px solid #ffffff14; border-radius: 12px; font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.agent-note b { color: var(--fg); }