/* =========================
   Athletic Operations — Base
   ========================= */

:root {
  /* Brand */
  --ao-orange: #ff4f00;
  --ao-white: #f7f4f3;
  --ao-black: #080f0f;
  --ao-blue:  #33658a;

  /* UI */
  --ao-bg: var(--ao-white);
  --ao-surface: #ffffff;
  --ao-text: var(--ao-black);
  --ao-muted: #4b4b4b;

  --ao-radius: 8px;
  --ao-shadow: 0 2px 5px rgba(0,0,0,0.10);

  --ao-container: 980px;
  --ao-gutter: 16px;

  --ao-border: #ddd;
  --ao-soft: #f2f2f2;

  /* Focus ring */
  --ao-focus: rgba(255, 79, 0, 0.25);
}

/* Reset-ish */
* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  font-size: clamp(15px, 1.1vw, 16px);
  color: var(--ao-text);
  background: var(--ao-bg);
}

/* Header */
.site-header {
  background: var(--ao-black);
  padding: clamp(12px, 2vw, 18px) var(--ao-gutter);
  text-align: center;
  border-bottom: 3px solid var(--ao-orange);
}

.site-header__brand {
  display: inline-block;
  text-decoration: none;
}

.site-header__logo {
  display: block;
  margin: 0 auto;
  max-height: clamp(72px, 8vw, 120px);
  max-width: 100%;
  height: auto;
  width: auto;
}

/* Container: fluido y responsive */
.container {
  width: min(var(--ao-container), calc(100% - (2 * var(--ao-gutter))));
  margin: clamp(12px, 2vw, 24px) auto;
  padding: clamp(12px, 2vw, 20px);
  background: var(--ao-surface);
  border-radius: var(--ao-radius);
  box-shadow: var(--ao-shadow);
}

/* Links */
a {
  color: var(--ao-blue);
}

a:hover {
  opacity: 0.9;
}

/* Accesibilidad: focus */
:focus-visible {
  outline: 3px solid var(--ao-orange);
  outline-offset: 2px;
}

/* =========================
   Reusable UI: Buttons
   ========================= */
.btn {
  border: 1px solid transparent;
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1;
}

.btn-primary {
  background: var(--ao-black);
  color: #fff;
}

.btn-secondary {
  background: #fff;
  color: var(--ao-muted);
  border-color: #ccc;
}

.btn-accent {
  background: var(--ao-orange);
  color: #fff;
}

.btn-accent:hover {
  filter: brightness(0.95);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* =========================
   Reusable UI: Forms
   ========================= */
.form-field label {
  font-weight: 700;
  display: block;
  margin: 0 0 8px 0;
  color: #333;
}

.form-field input[type="text"],
.form-field input[type="number"],
.form-field input[type="date"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field input[type="password"],
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--ao-border);
  border-radius: 6px;
  margin-bottom: 6px;
  background: #fff;
  min-height: 44px; /* touch-friendly */
}

.form-field textarea {
  min-height: 110px;
  resize: vertical;
}

.form-field ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.form-field li {
  margin-bottom: 8px;
  background: var(--ao-soft);
  padding: 10px;
  border: 1px solid #eee;
  border-radius: 6px;
}

/* Error blocks (reusable) */
.error-list,
.error-summary {
  color: #b42318;
  font-size: 0.95rem;
}