/* Markinea prototypes: the MArK theme from the P Meeting site (Montserrat, the
   logo's cyan-to-blue, ink navy, glass panels), with a dark twin.
   Layout: one calm column per prototype, a quiet top bar, one glass panel
   where the play happens. */
:root {
  --bg: #f6fcff;
  --bg-2: #e9f5fc;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-solid: #ffffff;
  --line: rgba(11, 55, 96, 0.12);
  --line-strong: rgba(11, 55, 96, 0.28);
  --ink: #0b3760;
  --muted: #4d6782;
  --blue1: #65c7f7;
  --blue2: #0070c0;
  --blue3: #1d6fbc;
  --tile-1: #ffffff;
  --tile-2: #a0c4e0;
  --tile-3: #4a82b8;
  --good: #1f8a5b;
  --warn: #b7791f;
  --bad: #c0392b;
  --good-bg: rgba(31, 138, 91, 0.1);
  --warn-bg: rgba(183, 121, 31, 0.12);
  --bad-bg: rgba(192, 57, 43, 0.1);
  --shadow: 0 0.5rem 2rem rgba(0, 112, 192, 0.08);
  --grad: linear-gradient(90deg, var(--blue1) 0%, var(--blue3) 100%);
  --font: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --paper: #fffdf8;
  --paper-ink: #2a2f36;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #061727;
    --bg-2: #0a2238;
    --panel: rgba(13, 40, 66, 0.78);
    --panel-solid: #0d2842;
    --line: rgba(160, 196, 224, 0.14);
    --line-strong: rgba(160, 196, 224, 0.32);
    --ink: #e6f3fc;
    --muted: #9db6cc;
    --blue1: #7fd3fa;
    --blue2: #4aa8ec;
    --blue3: #5aa2e6;
    --tile-1: #e6f3fc;
    --tile-2: #7badd6;
    --tile-3: #3a74ad;
    --good: #4cc38a;
    --warn: #e0a84a;
    --bad: #ef7a6c;
    --good-bg: rgba(76, 195, 138, 0.14);
    --warn-bg: rgba(224, 168, 74, 0.14);
    --bad-bg: rgba(239, 122, 108, 0.14);
    --shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.35);
    --paper: #f3efe6;
    --paper-ink: #2a2f36;
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #061727;
  --bg-2: #0a2238;
  --panel: rgba(13, 40, 66, 0.78);
  --panel-solid: #0d2842;
  --line: rgba(160, 196, 224, 0.14);
  --line-strong: rgba(160, 196, 224, 0.32);
  --ink: #e6f3fc;
  --muted: #9db6cc;
  --blue1: #7fd3fa;
  --blue2: #4aa8ec;
  --blue3: #5aa2e6;
  --tile-1: #e6f3fc;
  --tile-2: #7badd6;
  --tile-3: #3a74ad;
  --good: #4cc38a;
  --warn: #e0a84a;
  --bad: #ef7a6c;
  --good-bg: rgba(76, 195, 138, 0.14);
  --warn-bg: rgba(224, 168, 74, 0.14);
  --bad-bg: rgba(239, 122, 108, 0.14);
  --shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.35);
  --paper: #f3efe6;
  --paper-ink: #2a2f36;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(75rem 37.5rem at 85% -10%, var(--bg-2), transparent 70%), var(--bg);
  background-color: var(--bg);
  color: var(--ink);
  font: 500 1rem/1.6 var(--font);
  min-height: 100%;
}
img { max-width: 100%; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--blue2); outline-offset: 0.1875rem; border-radius: 0.375rem; }

.mk-wrap {
  max-width: 70rem;
  margin: 0 auto;
  padding-block: 0 4rem;
  padding-left: max(1rem, env(safe-area-inset-left, 0px));
  padding-right: max(1rem, env(safe-area-inset-right, 0px));
}

/* Top bar: the mark, the land's name, where you are, the way back. */
.mk-top {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding-block: 1.125rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.25rem;
}
.mk-top img { width: 1.875rem; height: auto; }
.mk-brand { font-weight: 800; letter-spacing: 0.02em; font-size: 1rem; }
.mk-brand span { color: var(--muted); font-weight: 600; }
.mk-top .mk-back {
  margin-left: auto;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.mk-top .mk-back:hover { color: var(--blue2); }

.mk-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue2);
  margin: 0 0 0.625rem;
}
.mk-h1 {
  font-size: clamp(1.75rem, 4.4vw, 3rem);
  line-height: 1.12;
  font-weight: 800;
  margin: 0 0 0.875rem;
  text-wrap: balance;
  letter-spacing: -0.01em;
}
.mk-grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--blue2);
}
.mk-lede { color: var(--muted); max-width: 62ch; margin: 0 0 1.75rem; font-size: 1rem; }
.mk-h2 { font-size: 1.25rem; font-weight: 700; margin: 0 0 0.5rem; text-wrap: balance; }

.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(1.25rem);
  -webkit-backdrop-filter: blur(1.25rem);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line-strong);
  background: var(--panel-solid);
  border-radius: 62.4375rem;
  padding: 0.5625rem 1.125rem;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.btn:hover { border-color: var(--blue2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue2); border-color: var(--blue2); color: #fff; }
.btn-primary:hover { background: var(--blue3); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border-radius: 62.4375rem;
  padding: 0.1875rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}
.chip-good { color: var(--good); background: var(--good-bg); border-color: transparent; }
.chip-warn { color: var(--warn); background: var(--warn-bg); border-color: transparent; }
.chip-bad { color: var(--bad); background: var(--bad-bg); border-color: transparent; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.num { font-variant-numeric: tabular-nums; }

/* The six tiles of the MArK logo, lit from the bottom row up. */
.tiles { display: inline-grid; grid-template-columns: repeat(3, 0.625rem); grid-template-rows: repeat(3, 0.625rem); gap: 0.1875rem; vertical-align: middle; }
.tiles i { border-radius: 0.1875rem; background: var(--line); transition: background 0.5s; }
.tiles i.on { background: var(--blue2); }
.tiles i.blank { visibility: hidden; }

/* A guide: one mascot, one quiet sentence. */
.guide { display: flex; align-items: flex-end; gap: 0.75rem; }
.guide img { width: 4rem; height: auto; flex: none; }
.guide p {
  margin: 0;
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: 1rem 1rem 1rem 0.25rem;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--ink);
  max-width: 46ch;
}

.mk-foot { margin-top: 2.5rem; color: var(--muted); font-size: 0.75rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}