/* ─────────────────────────────────────────────────────────────
 *  Дизайн-система: Рекорди України з плавання
 *  Mobile-first, sporty, energetic
 * ───────────────────────────────────────────────────────────── */

:root {
  /* Brand */
  --ink:        #0B1B2B;          /* near-black, water depth */
  --ink-2:      #14283D;
  --ink-3:      #1F3A57;
  --paper:      #F7F8FA;
  --paper-2:    #FFFFFF;
  --line:       #E4E8EE;
  --line-2:     #CED5DF;
  --muted:      #5C6B7E;
  --muted-2:    #8995A6;

  /* Accent — wave + sun, restrained */
  --wave:       #1D6FE0;          /* primary blue, water */
  --wave-2:     #4A93F0;
  --wave-deep:  #0B4FB0;
  --sun:        #FFB800;          /* warm gold, restrained */
  --gold-deep:  #C98A00;
  --record-new: #16A34A;          /* green for "new" */
  --danger:     #DC2626;

  /* Type */
  --font-display: 'Bebas Neue', 'Oswald', 'Arial Narrow', sans-serif;
  --font-sans:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Radii / shadows */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --shadow-1: 0 1px 2px rgba(11,27,43,.04), 0 2px 8px rgba(11,27,43,.06);
  --shadow-2: 0 4px 12px rgba(11,27,43,.08), 0 12px 32px rgba(11,27,43,.10);
  --shadow-glow: 0 0 0 4px rgba(29,111,224,.12);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Typography */
.h-display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 0.95;
  text-transform: uppercase;
}
.t-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.t-num  { font-variant-numeric: tabular-nums; }

/* Buttons */
.btn {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  padding: 10px 16px;
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .08s, background .15s, border-color .15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ink);
  color: white;
}
.btn-primary:hover { background: var(--ink-2); }
.btn-accent {
  background: var(--wave);
  color: white;
}
.btn-accent:hover { background: var(--wave-deep); }
.btn-success {
  background: var(--record-new);
  color: white;
}
.btn-success:hover { filter: brightness(1.05); }
.btn-ghost {
  background: var(--paper-2);
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink-3); }
.btn-icon {
  width: 36px; height: 36px; padding: 0;
  display: inline-grid; place-items: center;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Form controls */
.input, .select {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: 14px;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus {
  outline: none;
  border-color: var(--wave);
  box-shadow: var(--shadow-glow);
}
.select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%235C6B7E' d='M6 8 0 0h12z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.input::placeholder { color: var(--muted-2); }

/* Chip / Tag / Badge */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--paper-2);
  color: var(--ink-2);
  border: 1px solid var(--line);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.chip-gold   { background: #FFF6D6; color: var(--gold-deep); border-color: #F6E29A; }
.chip-wave   { background: #E8F1FE; color: var(--wave-deep); border-color: #C6DCFA; }
.chip-mono   { font-family: var(--font-mono); }
.chip-new {
  background: var(--record-new);
  color: white;
  border-color: var(--record-new);
}
.chip-new::before {
  content: '';
  width: 6px; height: 6px;
  background: white;
  border-radius: 999px;
  box-shadow: 0 0 0 0 rgba(255,255,255,.7);
  animation: pulse 1.6s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,255,255,.7); }
  70%  { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}

/* Segmented control */
.segmented {
  display: inline-flex;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 3px;
  gap: 2px;
}
.segmented button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 8px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.segmented button.active {
  background: var(--ink);
  color: white;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 768px) {
  .container { padding: 0 32px; }
}

/* Utility */
.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;
}
.spinner {
  width: 24px; height: 24px;
  border: 2px solid var(--line);
  border-top-color: var(--wave);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Print */
@media print {
  body { background: white; }
  .no-print { display: none !important; }
  .print-break { page-break-after: always; }
}