/* DropVector web 0.22 – shared design system ("Karttapöytä", night).
 * One colour = one meaning across the app and the web:
 *   signal (lime)  live data and canopy flight
 *   route (magenta) planned route
 *   target (blue)  target, selection, links
 *   caution (amber) stale data
 *   alert (red)    lost connection, freefall phase
 */

@font-face { font-family: "Barlow"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/dv-barlow-400.woff") format("woff"); }
@font-face { font-family: "Barlow"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/dv-barlow-600.woff") format("woff"); }
@font-face { font-family: "Barlow Semi Condensed"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/dv-barlow-sc-600.woff") format("woff"); }

:root {
  color-scheme: dark;
  --bg: #0a131b;
  --bg-2: #0d1822;
  --panel: #111d27;
  --panel-2: #182733;
  --line: #24394a;
  --line-2: #3a4d5b;
  --text: #e6eef2;
  --text-2: #9aacb8;
  --text-3: #6e808c;
  --signal: #c8ff00;
  --signal-ink: #0a131b;
  --route: #e46bc1;
  --target: #62b0ff;
  --target-2: #a9d3ff;
  --caution: #ffb21f;
  --caution-text: #ffd27a;
  --alert: #ff5a4a;
  --alert-text: #ff8a80;
  --phase-climb: #9aacb8;
  --phase-freefall: #ff5a4a;
  --phase-canopy: #c8ff00;
  --phase-ground: #6e808c;
  --contour: #4a6152;

  --font-ui: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: "Barlow Semi Condensed", "Barlow", system-ui, sans-serif;
  --fs-xs: 13px; --fs-s: 15px; --fs-m: 17px; --fs-l: 21px; --fs-xl: 28px; --fs-2xl: 40px; --fs-3xl: 56px; --fs-4xl: 76px;
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px; --sp-9: 96px;
  --tap: 44px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --shell: 1320px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-ui); font-size: var(--fs-m); line-height: 1.55;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg, video, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--target); text-underline-offset: 3px; }
a:hover { color: var(--target-2); }
:focus-visible { outline: 2px solid var(--target); outline-offset: 2px; }
[hidden] { display: none !important; }
.num, .dv-num { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-weight: 600; }
.dv-sr { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.dv-skip { position: absolute; left: 8px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--text); color: var(--bg); font-weight: 600; text-decoration: none; }
.dv-skip:focus { top: 8px; }
.dv-shell { width: min(var(--shell), 100% - 2 * var(--sp-5)); margin-inline: auto; }

h1, h2, h3 { font-family: var(--font-num); font-weight: 600; margin: 0; letter-spacing: -.01em; line-height: 1.05; }
.dv-h1 { font-size: clamp(44px, 6vw, var(--fs-4xl)); line-height: .98; letter-spacing: -.015em; }
.dv-h2 { font-size: clamp(32px, 4vw, var(--fs-3xl)); }
.dv-h3 { font-size: var(--fs-xl); line-height: 1.1; }
.dv-lead { font-size: var(--fs-l); line-height: 1.5; color: #c3cfd7; max-width: 34em; margin: 0; }
.dv-muted { color: var(--text-2); }
p { margin: 0 0 var(--sp-3); }

/* ---------- header ---------- */
.dv-header { position: relative; z-index: 20; background: var(--bg); border-bottom: 1px solid var(--line); }
.dv-header-inner { width: min(var(--shell), 100% - 2 * var(--sp-5)); margin-inline: auto; min-height: 64px; display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2) var(--sp-6); padding-block: var(--sp-2); }
.dv-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: var(--font-num); font-weight: 600; font-size: 22px; }
.dv-brand:hover { color: var(--text); }
.dv-logo-mark { width: 30px; height: 30px; color: var(--text); }
.dv-logo-dot { fill: var(--signal); }
.dv-nav { display: flex; flex-wrap: wrap; gap: 0 var(--sp-5); font-size: var(--fs-s); font-weight: 600; }
.dv-nav a { color: #c3cfd7; text-decoration: none; padding-block: 10px; border-bottom: 2px solid transparent; }
.dv-nav a:hover { color: var(--text); }
.dv-nav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--signal); }
.dv-header-tools { margin-left: auto; display: flex; align-items: center; gap: var(--sp-3); }
.dv-lang { display: flex; border: 1px solid var(--line-2); font-size: 14px; font-weight: 600; }
.dv-lang a { min-width: 40px; height: 36px; display: grid; place-items: center; color: var(--text-2); text-decoration: none; }
.dv-lang a[aria-pressed="true"] { background: var(--text); color: var(--bg); }
@media (max-width: 720px) {
  .dv-nav { order: 3; width: 100%; overflow-x: auto; flex-wrap: nowrap; gap: var(--sp-4); }
  .dv-nav a { white-space: nowrap; }
}

/* ---------- buttons, fields ---------- */
.dv-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: var(--tap); padding: 0 18px; border: 1.5px solid var(--line-2); background: transparent;
  color: var(--text); font-weight: 600; font-size: var(--fs-s); text-decoration: none; white-space: nowrap;
  transition: background-color .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease);
}
.dv-btn:hover { border-color: var(--text-2); color: var(--text); }
.dv-btn:disabled { opacity: .45; cursor: not-allowed; }
.dv-btn--primary { background: var(--text); border-color: var(--text); color: var(--bg); }
.dv-btn--primary:hover { background: #fff; border-color: #fff; color: var(--bg); }
.dv-btn--signal { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.dv-btn--signal:hover { background: #d9ff4d; border-color: #d9ff4d; color: var(--signal-ink); }
.dv-btn--danger { border-color: var(--alert); color: var(--alert-text); }
.dv-btn--lg { min-height: 56px; padding: 0 26px; font-size: var(--fs-m); }
.dv-btn--sm { min-height: 36px; padding: 0 12px; font-size: 14px; }
.dv-btn svg { width: 18px; height: 18px; flex: none; }
.dv-icon-btn { width: var(--tap); height: var(--tap); padding: 0; display: inline-grid; place-items: center; border: 1px solid var(--line-2); background: var(--bg); color: var(--text); }
.dv-icon-btn svg { width: 20px; height: 20px; }
.dv-icon-btn[aria-pressed="true"] { border-color: var(--target); background: rgba(98, 176, 255, .14); color: var(--target-2); }

.dv-field { display: flex; flex-direction: column; gap: 6px; font-size: var(--fs-s); color: var(--text-2); }
.dv-input, .dv-select {
  min-height: 48px; padding: 0 14px; border: 1px solid var(--line-2); background: var(--bg-2); color: var(--text);
  font-size: var(--fs-m); border-radius: 0; width: 100%;
}
.dv-input:focus, .dv-select:focus { border-color: var(--target); outline: none; box-shadow: 0 0 0 2px rgba(98, 176, 255, .35); }
.dv-input::placeholder { color: var(--text-3); }
.dv-check { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-s); }
.dv-check input { width: 18px; height: 18px; accent-color: var(--signal); }

.dv-seg { display: inline-flex; border: 1px solid var(--line-2); background: var(--bg); }
.dv-seg button, .dv-seg a { min-height: 38px; min-width: 44px; padding: 0 12px; border: 0; background: transparent; color: var(--text-2); font-weight: 600; font-size: 14px; display: grid; place-items: center; text-decoration: none; }
.dv-seg button + button { border-left: 1px solid var(--line); }
.dv-seg [aria-pressed="true"], .dv-seg .active { background: var(--text); color: var(--bg); }

/* ---------- status ---------- */
.dv-dot { width: 9px; height: 9px; border-radius: 50%; background: currentColor; flex: none; }
.dv-dot--hollow { background: transparent; border: 2px solid currentColor; }
.dv-chip { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; padding: 0 12px; border: 1px solid var(--line-2); font-size: 14px; font-weight: 600; white-space: nowrap; }
.dv-chip--live { color: var(--signal); border-color: rgba(200, 255, 0, .45); }
.dv-chip--caution { color: var(--caution-text); border-color: var(--caution); background: rgba(255, 178, 31, .1); }
.dv-chip--alert { color: var(--alert-text); border-color: var(--alert); background: rgba(255, 90, 74, .12); }
.dv-pulse { position: relative; }
.dv-pulse::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid currentColor; animation: dv-pulse 1.8s ease-out infinite; }
@keyframes dv-pulse { 0% { transform: scale(.6); opacity: .9; } 100% { transform: scale(2.2); opacity: 0; } }

/* ---------- neatline: chart frame with alternating tick bars ---------- */
.dv-neatline {
  --tick: 48px; --edge: 8px;
  position: relative; padding: var(--edge); border: 2px solid var(--text);
  background:
    repeating-linear-gradient(90deg, var(--text) 0 var(--tick), var(--bg) var(--tick) calc(2 * var(--tick))) top / 100% var(--edge) no-repeat,
    repeating-linear-gradient(90deg, var(--text) 0 var(--tick), var(--bg) var(--tick) calc(2 * var(--tick))) bottom / 100% var(--edge) no-repeat,
    repeating-linear-gradient(0deg, var(--text) 0 var(--tick), var(--bg) var(--tick) calc(2 * var(--tick))) left / var(--edge) 100% no-repeat,
    repeating-linear-gradient(0deg, var(--text) 0 var(--tick), var(--bg) var(--tick) calc(2 * var(--tick))) right / var(--edge) 100% no-repeat;
}
.dv-neatline > .dv-neatline-inner { position: relative; height: 100%; border: 1px solid var(--line-2); overflow: hidden; }
.dv-neatline--thin { --tick: 36px; --edge: 5px; border-width: 1px; }

/* ---------- panels ---------- */
.dv-panel { background: var(--panel); border: 1px solid var(--line); }
.dv-rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.dv-alert-box { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--alert); background: rgba(255, 90, 74, .12); color: var(--text); }
.dv-note { padding: 12px 14px; border-left: 3px solid var(--target); background: var(--panel); color: #c3cfd7; font-size: var(--fs-s); }
.dv-error { color: var(--alert-text); font-weight: 600; min-height: 1.5em; }

/* ---------- footer ---------- */
.dv-footer { border-top: 2px solid var(--text); margin-top: 0; }
.dv-footer-inner { width: min(var(--shell), 100% - 2 * var(--sp-5)); margin-inline: auto; padding: var(--sp-5) 0 var(--sp-6); display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-6); font-size: var(--fs-s); color: var(--text-2); }
.dv-footer a { color: var(--text-2); }
.dv-footer .dv-footer-end { margin-left: auto; }

/* ---------- dialog ---------- */
.dv-dialog { border: 1px solid var(--line-2); background: var(--panel); color: var(--text); padding: 0; max-width: min(960px, 100vw - 32px); width: 100%; }
.dv-dialog::backdrop { background: rgba(4, 8, 12, .78); }
.dv-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .dv-pulse::after { display: none; }
}