/* skyklapper design tokens — athletic / sporty dark */
:root {
  color-scheme: dark;

  --bg:         #0A0B0D;
  --surface:    #13151A;
  --surface-2:  #1A1D24;
  --surface-hi: #20242C;
  --border:     rgba(255, 255, 255, 0.06);
  --border-hi:  rgba(255, 255, 255, 0.12);

  --text:       #F5F5F3;
  --text-dim:   #8C8F96;
  --text-mute:  #5C5F66;

  --fitness:    #00D4FF;   /* CTL */
  --fitness-20: rgba(0, 212, 255, 0.18);
  --fatigue:    #FF2D6F;   /* ATL */
  --fatigue-20: rgba(255, 45, 111, 0.18);
  --form-pos:   #3DDC84;   /* TSB >= 0 */
  --form-neg:   #FF4757;   /* TSB <= -20 */
  --form-mid:   #F9C74F;   /* -20 < TSB < 0 */

  --accent:     #FC5200;
  --accent-hi:  #FF7A3D;

  --sport-run:   #3DDC84;
  --sport-bike:  #00D4FF;
  --sport-swim:  #48BFE3;
  --sport-brick: #F9C74F;
  --sport-strength: #B388FF;
  --sport-rest:  #6C757D;
  --sport-other: #9AA0A6;

  --good:   #3DDC84;
  --warn:   #F9C74F;
  --danger: #FF2D6F;
}

* { box-sizing: border-box; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
}

.font-display {
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.font-mono, .num {
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.metric-num {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}

.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--border-hi); }

.pill {
  display: inline-flex; align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--surface-hi);
  color: var(--text-dim);
}
.pill-run    { background: rgba(61, 220, 132, 0.15); color: var(--sport-run); }
.pill-bike   { background: rgba(0, 212, 255, 0.15);  color: var(--sport-bike); }
.pill-swim   { background: rgba(72, 191, 227, 0.15); color: var(--sport-swim); }
.pill-brick  { background: rgba(249, 199, 79, 0.15); color: var(--sport-brick); }
.pill-strength { background: rgba(179, 136, 255, 0.15); color: var(--sport-strength); }
.pill-rest   { background: rgba(108, 117, 125, 0.18); color: var(--sport-rest); }

.ring-today {
  box-shadow: 0 0 0 2px rgba(252, 82, 0, 0.55);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  background: var(--surface-hi);
  color: var(--text);
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  font-size: 0.85rem; font-weight: 500;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.1s ease;
}
.btn:hover  { background: #272B33; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #111; font-weight: 600; }
.btn-primary:hover { background: var(--accent-hi); }
.btn-ghost { background: transparent; }

input, select, textarea, button {
  font-family: inherit; color: inherit;
}
input[type="text"], input[type="number"], input[type="email"],
input[type="password"], input[type="date"], textarea, select {
  background: var(--surface);
  border: 1px solid var(--border-hi);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-size: 0.92rem;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--fitness);
}

a { color: var(--fitness); text-decoration: none; }
a:hover { color: var(--text); }
a.silent { color: inherit; }

hr { border: 0; height: 1px; background: var(--border); }