/* ==========================================================================
   BASE — primitives. Tokens only; no literal colours below this line.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

/* body stays transparent: .backdrop sits at z-index -2 and would otherwise be
   painted over by body's own background box. */
body { margin: 0; padding: 0; background: transparent; min-height: 100vh; overflow-x: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }

::selection { background: color-mix(in srgb, var(--accent) 40%, transparent); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: var(--r-pill); }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.18); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-tiny);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------ typography -- */

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.025em; line-height: 1.08; color: var(--text-hi); }
h1 { font-size: var(--fs-h1); font-weight: 300; letter-spacing: -0.04em; }
h2 { font-size: var(--fs-h2); font-weight: 350; letter-spacing: -0.035em; }
h3 { font-size: var(--fs-h3); font-weight: 550; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

/* Headings are labels, not titles. */
.lbl {
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--muted);
}
.lbl-accent { color: var(--accent-ink); }

.lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--muted); font-weight: 350; }
.meta { font-size: var(--fs-meta); color: var(--muted); }
.micro { font-size: var(--fs-micro); color: var(--faint); }
.hi { color: var(--text-hi); }
.num { font-weight: 650; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }

.wordmark {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--track-word);
  margin-left: var(--track-word);
}

.quote {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  font-style: italic;
  color: var(--muted);
  line-height: 1.65;
}

/* -------------------------------------------------------------- surfaces -- */

.glass {
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: var(--r-panel);
  box-shadow: var(--shadow-lift);
}

.glass-deep {
  background: linear-gradient(158deg,
    color-mix(in srgb, var(--accent) 7%, rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.02));
  border: 1px solid var(--hair-2);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-float);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}

/* Structure comes from hairlines, not nested boxes. */
.rule { height: 1px; background: var(--divider); border: 0; margin: 0; }

.tile {
  padding: 18px 20px;
  border-radius: var(--r-panel);
  border: 1px solid var(--hair);
  background: var(--panel);
  transition: border-color var(--t-micro) ease, background var(--t-micro) ease, transform var(--t-micro) ease;
}
.tile:hover { border-color: var(--hair-2); background: var(--panel-2); }

/* --------------------------------------------------------------- buttons -- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  border-radius: var(--r-ctl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--t-micro) ease, border-color var(--t-micro) ease,
              box-shadow var(--t-micro) ease, transform 0.12s var(--ease-spring);
}
.btn:hover { border-color: rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.09); transform: translateY(-1px); }
.btn:active { transform: translateY(1px) scale(0.985); }
.btn:disabled { opacity: 0.45; pointer-events: none; }

.btn-primary {
  font-weight: 600;
  color: var(--text-hi);
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 92%, #ffffff 14%),
    color-mix(in srgb, var(--accent) 82%, #16171c));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22),
              0 8px 22px color-mix(in srgb, var(--accent) 34%, transparent);
}
.btn-primary:hover {
  border-color: color-mix(in srgb, var(--accent) 78%, transparent);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent) 98%, #ffffff 20%),
    color-mix(in srgb, var(--accent) 88%, #16171c));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28),
              0 12px 30px color-mix(in srgb, var(--accent) 44%, transparent);
}

.btn-lg { padding: 15px 28px; font-size: 15px; border-radius: 14px; }

.btn-quiet {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  font-size: 13px;
  padding: 8px 10px;
}
.btn-quiet:hover { background: transparent; border-color: transparent; color: var(--text); text-decoration: underline; transform: none; }

.btn-danger { color: var(--neg); border-color: color-mix(in srgb, var(--neg) 40%, transparent); }
.btn-danger:hover { background: color-mix(in srgb, var(--neg) 14%, transparent); border-color: color-mix(in srgb, var(--neg) 60%, transparent); }

.btn-icon { padding: 8px; border-radius: var(--r-tiny); }

/* ---------------------------------------------------------- chips & dots -- */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 500;
  padding: 4px 11px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hair);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  white-space: nowrap;
}
.chip-quiet { border-color: transparent; background: var(--track); color: var(--muted); }
.chip-accent {
  color: var(--accent-ink);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}
.chip.pos { color: var(--pos); border-color: color-mix(in srgb, var(--pos) 45%, transparent); background: color-mix(in srgb, var(--pos) 12%, transparent); }
.chip.neg { color: var(--neg); border-color: color-mix(in srgb, var(--neg) 45%, transparent); background: color-mix(in srgb, var(--neg) 12%, transparent); }
.chip.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.chip.neu { color: var(--neu); border-color: color-mix(in srgb, var(--neu) 35%, transparent); background: color-mix(in srgb, var(--neu) 10%, transparent); }

.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--neu); flex: none; }
.dot.live { background: var(--pos); box-shadow: 0 0 8px var(--pos); }
.dot.warn { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.dot.off  { background: var(--faint); }

/* ------------------------------------------------------------ meters/bar -- */

.bar { height: 6px; border-radius: var(--r-pill); background: var(--track); overflow: hidden; }
.bar > i {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 55%, transparent), var(--accent));
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 35%, transparent);
  transition: width 0.6s var(--ease);
}

/* ---------------------------------------------------------------- inputs -- */

.field { display: flex; flex-direction: column; gap: 7px; }
.field > .lbl { margin-bottom: 1px; }

.input, .select, .textarea {
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--r-ctl);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--hair-2);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color var(--t-micro) ease, background var(--t-micro) ease;
}
.input::placeholder, .textarea::placeholder { color: var(--faint); }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.07);
}
.textarea { resize: vertical; min-height: 92px; line-height: 1.55; }
.select { appearance: none; cursor: pointer; padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 17px) center, calc(100% - 12px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.select option { background: var(--bg-2); color: var(--text); }

.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 13px; }
.switch input { display: none; }
.switch .track {
  width: 34px; height: 19px; border-radius: var(--r-pill); position: relative; flex: none;
  background: rgba(255, 255, 255, 0.1); border: 1px solid var(--hair-2);
  transition: background var(--t-micro) ease, border-color var(--t-micro) ease;
}
.switch .track::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 13px; height: 13px;
  border-radius: 50%; background: var(--muted); transition: transform 0.18s var(--ease), background 0.18s ease;
}
.switch input:checked + .track { background: color-mix(in srgb, var(--accent) 48%, transparent); border-color: color-mix(in srgb, var(--accent) 60%, transparent); }
.switch input:checked + .track::after { transform: translateX(15px); background: var(--text-hi); }

/* ----------------------------------------------------------------- logos -- */
/* The MILO logo never sits in a box, circle or container. It floats with a glow. */

.milo-mark {
  width: var(--mark, 44px);
  height: var(--mark, 44px);
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  filter: drop-shadow(0 0 6px var(--glow-soft))
          drop-shadow(0 0 18px color-mix(in srgb, var(--glow) 32%, transparent));
}
.milo-mark.alive { animation: breathe var(--breathe) ease-in-out infinite, markGlow var(--breathe) ease-in-out infinite; }

/* --------------------------------------------------------------- motion -- */

@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }

@keyframes markGlow {
  0%, 100% { filter: drop-shadow(0 0 6px var(--glow-soft)) drop-shadow(0 0 16px color-mix(in srgb, var(--glow) 28%, transparent)); }
  50%      { filter: drop-shadow(0 0 10px var(--glow-soft)) drop-shadow(0 0 30px color-mix(in srgb, var(--glow) 48%, transparent)); }
}

@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@keyframes flyIn {
  0%   { opacity: 0; transform: translateY(22px) scale(0.96); filter: blur(4px); }
  60%  { opacity: 1; transform: translateY(-2px) scale(1.004); filter: blur(0); }
  100% { opacity: 1; transform: none; filter: blur(0); }
}

@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

@keyframes spin { to { transform: rotate(360deg); } }

@keyframes haloPulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 34%, transparent); }
  50%      { box-shadow: 0 0 0 9px transparent; }
}

.spinner {
  width: 24px; height: 24px; border-radius: 50%; flex: none;
  border: 2.5px solid rgba(255, 255, 255, 0.09);
  border-top-color: var(--accent);
  animation: spin 0.85s linear infinite;
}

.skeleton {
  border-radius: var(--r-tiny);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.05));
  background-size: 200% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}

/* One thing animates at a time — and nothing does if the visitor said no. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}