/* ============================================================
   EduMR · Sistema de diseño compartido (theme.css)
   Un solo lenguaje: oscuro + verde, tarjetas y pestañas.
   Lo usan la web principal y todo el hub Futmondo/Mercado.
   ============================================================ */
:root {
  --bg: #07090e;
  --bg-surface: #0d121d;
  --card: rgba(18, 24, 38, 0.72);
  --card-solid: #121826;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(74, 222, 128, 0.45);
  --text: #f1f5f9;
  --muted: #8b9bb4;
  --accent: #22c55e;
  --primary: #16a34a;
  --green: #10b981;
  --red: #ef4444;
  --amber: #f59e0b;
  --gold: #b7945c;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 22px;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
  --glow: 0 0 30px rgba(34, 197, 94, 0.15);
  --font: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Bricolage Grotesque', sans-serif;
}

[data-theme="light"] {
  --bg: #f1f5f9;
  --bg-surface: #e2e8f0;
  --card: rgba(255, 255, 255, 0.85);
  --card-solid: #ffffff;
  --border: rgba(15, 23, 42, 0.12);
  --border-hover: rgba(22, 163, 74, 0.45);
  --text: #0f172a;
  --muted: #475569;
  --accent: #16a34a;
  --primary: #15803d;
  --green: #059669;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  --glow: 0 0 30px rgba(34, 197, 94, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--bg);
  background-image:
    radial-gradient(720px 380px at 10% -8%, rgba(34, 197, 94, 0.15), transparent 60%),
    radial-gradient(760px 420px at 100% 2%, rgba(16, 185, 129, 0.17), transparent 62%);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
[data-theme="light"] body {
  background-image:
    radial-gradient(720px 380px at 10% -8%, rgba(34, 197, 94, 0.12), transparent 60%),
    radial-gradient(760px 420px at 100% 2%, rgba(16, 185, 129, 0.12), transparent 62%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }
.hidden { display: none !important; }

/* Barra superior de app */
.appbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 9, 14, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .appbar { background: rgba(255, 255, 255, 0.85); }
.appbar-inner { max-width: 1120px; margin: 0 auto; padding: 12px 20px; }
.appbar .brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
}
.appbar .brand .accent { color: var(--accent); }

/* Banda verde superior (detalle Futmondo) */
.grass-band {
  position: fixed; top: 0; left: 0; right: 0; height: 4px; z-index: 80;
  background: repeating-linear-gradient(90deg, #16a34a 0 20px, #15803d 20px 40px);
  box-shadow: 0 2px 14px rgba(22, 163, 74, 0.45);
  animation: grassmove 2.6s linear infinite;
}
@keyframes grassmove { from { background-position: 0 0; } to { background-position: 40px 0; } }

/* Pestañas */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
  font: inherit;
  font-weight: 700;
  font-size: 0.84rem;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-solid);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.tab:hover { color: var(--text); border-color: var(--border-hover); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #05130a; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px;
  font-size: 0.92rem; font-weight: 700;
  border: 1px solid transparent; cursor: pointer; transition: all 0.2s ease;
}
.btn-primary { background: var(--accent); color: #05130a; box-shadow: 0 0 22px rgba(34, 197, 94, 0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(34, 197, 94, 0.55); }
.btn-ghost { background: var(--card-solid); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.top-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card-solid); color: var(--text);
  font-size: 0.82rem; font-weight: 700; transition: all 0.2s ease;
}
.top-btn:hover { border-color: var(--accent); transform: translateY(-1px); }

/* Tarjeta base */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

/* Chips / badges */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.76rem; font-weight: 700;
  padding: 5px 12px; border-radius: 999px;
  background: var(--card-solid); border: 1px solid var(--border); color: var(--muted);
}
.badge-good { background: rgba(34, 197, 94, 0.16); border-color: rgba(34, 197, 94, 0.4); color: var(--accent); }
.badge-warn { background: rgba(245, 158, 11, 0.16); border-color: rgba(245, 158, 11, 0.4); color: var(--amber); }
.badge-bad { background: rgba(239, 68, 68, 0.16); border-color: rgba(239, 68, 68, 0.4); color: var(--red); }

/* Toggle de tema */
.theme-toggle {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--card-solid); color: var(--text);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.25s ease;
}
.theme-toggle:hover { border-color: var(--accent); transform: scale(1.08); }
.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }