/* ATIS Alerts Mini App — brand accents layered over Telegram themeParams.
   Every --tg-* var has a fallback so the app never renders unstyled. */
:root {
  --brand-navy: #0b2148;
  --brand-blue: #1e78f0;
  --brand-blue-600: #0b63da;

  --bg: var(--tg-theme-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #0d1116);
  --hint: var(--tg-theme-hint-color, #8a96a3);
  --link: var(--tg-theme-link-color, var(--brand-blue));
  --card: var(--tg-theme-secondary-bg-color, #f3f5f8);
  --section-bg: var(--tg-theme-bg-color, #ffffff);
  --separator: color-mix(in srgb, var(--hint) 28%, transparent);
  --accent: var(--brand-blue);
  --accent-text: #ffffff;
  --danger: #e23b3b;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, "Segoe UI", system-ui, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 32px;
}

/* --- App bar / wordmark --- */
.appbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 12px 16px;
  background: var(--bg);
  border-bottom: 2px solid var(--brand-blue);
}
.wordmark { font-style: italic; font-weight: 800; font-size: 22px; letter-spacing: -0.5px; }
.w-atis { color: var(--brand-navy); }
.w-alerts { color: var(--brand-blue); margin-left: 4px; }
[data-scheme="dark"] .w-atis { color: #e8eefc; }

.badge {
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: var(--card); color: var(--hint);
}
.badge.premium {
  background: linear-gradient(90deg, var(--brand-navy), var(--brand-blue));
  color: #fff;
}

/* --- States --- */
.state { padding: 40px 20px; text-align: center; color: var(--hint); }
.state.error { color: var(--danger); }

/* --- Sections --- */
.section { margin: 14px 12px; background: var(--section-bg); border-radius: 14px; overflow: hidden;
  border: 1px solid var(--separator); }
.section h2 {
  margin: 0; padding: 14px 16px 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.4px;
  text-transform: uppercase; color: var(--hint); font-style: italic;
  display: flex; align-items: center; gap: 8px;
}
.section .body { padding: 6px 16px 16px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0;
  border-top: 1px solid var(--separator); }
.row:first-child { border-top: none; }
.row .label { font-weight: 500; }
.row .sub { color: var(--hint); font-size: 13px; }
.muted { color: var(--hint); }
.hint { color: var(--hint); font-size: 13px; margin: 4px 0 0; }
.err { color: var(--danger); font-size: 13px; margin: 6px 0 0; }

/* --- Lock chip (premium-gated) --- */
.lock {
  display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600;
  color: var(--hint); background: var(--card); padding: 3px 9px; border-radius: 999px;
}
.section.locked .body { opacity: 0.5; pointer-events: none; }

/* --- Segmented control --- */
.segmented { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.segmented button {
  flex: 1 1 auto; min-width: 90px; padding: 9px 10px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--separator); background: var(--card); color: var(--text);
  font-size: 13px; font-weight: 600;
}
.segmented button[aria-pressed="true"] {
  background: var(--accent); color: var(--accent-text); border-color: var(--accent);
}
.seg-desc { color: var(--hint); font-size: 13px; margin-top: 8px; min-height: 18px; }

/* --- Checkboxes (alert builder) --- */
.checks { display: flex; flex-direction: column; gap: 2px; }
.check { display: flex; align-items: center; gap: 12px; padding: 9px 0; cursor: pointer;
  border-top: 1px solid var(--separator); }
.check:first-child { border-top: none; }
.check .box { width: 22px; height: 22px; border-radius: 6px; border: 2px solid var(--hint);
  display: grid; place-items: center; color: #fff; font-size: 14px; flex: none; }
.check[aria-checked="true"] .box { background: var(--accent); border-color: var(--accent); }
.subhead { font-size: 11px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--hint); margin: 12px 0 2px; }
.linkbtn { background: none; border: none; color: var(--link); font-weight: 600; font-size: 13px;
  padding: 10px 0 0; cursor: pointer; }

/* --- Stepper --- */
.stepper { display: flex; align-items: center; gap: 8px; }
.stepper button { width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--separator);
  background: var(--card); color: var(--text); font-size: 18px; font-weight: 700; cursor: pointer; }
.stepper .val { min-width: 78px; text-align: center; font-variant-numeric: tabular-nums; font-weight: 600; }
.stepper .val .off { color: var(--hint); font-weight: 400; }
.clearx { background: none; border: none; color: var(--hint); cursor: pointer; font-size: 16px; padding: 4px; }

/* --- Inputs / selects --- */
input[type="text"], select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--separator); border-radius: 9px; padding: 9px 10px; width: 100%;
}
.addrow { display: flex; gap: 8px; margin-top: 10px; }
.addrow input { text-transform: uppercase; }
.addrow button { white-space: nowrap; padding: 9px 14px; border-radius: 9px; border: none;
  background: var(--accent); color: var(--accent-text); font-weight: 700; cursor: pointer; }
.addrow button:disabled { opacity: 0.45; cursor: not-allowed; }

.chip { display: inline-flex; align-items: center; gap: 8px; }
.iconbtn { background: none; border: none; color: var(--danger); font-size: 18px; cursor: pointer; padding: 2px 6px; }

.bigbtn { display: block; width: 100%; padding: 13px; border-radius: 11px; border: none;
  background: linear-gradient(90deg, var(--brand-navy), var(--brand-blue)); color: #fff;
  font-weight: 700; font-size: 15px; cursor: pointer; }

.tzwrap { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.tzcurrent { font-weight: 600; }
.smallbtn { align-self: flex-start; padding: 7px 12px; border-radius: 9px; border: 1px solid var(--accent);
  background: transparent; color: var(--accent); font-weight: 600; font-size: 13px; cursor: pointer; }