/* =============================================
   BASE.CSS — Portal Torres del Paine
   Color primario: azul petróleo #173D47
   Mismo design system que panel admin
   ============================================= */

:root, [data-theme="dark"] {

  /* ── Superficies ─────────────────────────── */
  --color-bg:              #0d1318;
  --color-surface:         #111920;
  --color-surface-2:       #162029;
  --color-surface-offset:  #1a2630;
  --color-surface-dynamic: #1f2e3a;
  --color-divider:         #1e2c38;
  --color-border:          #263544;

  /* ── Texto ───────────────────────────────── */
  --color-text:            #dce8ef;
  --color-text-muted:      #7a96a8;
  --color-text-faint:      #3d5668;
  --color-text-inverse:    #0d1318;

  /* ── Primario — azul petróleo ────────────── */
  --color-primary:         #173D47;
  --color-primary-hover:   #1f5060;
  --color-primary-active:  #112e36;
  --color-primary-light:   #4FC3D7;
  --color-primary-highlight: rgba(23,61,71,0.35);

  /* ── Brand sidebar ───────────────────────── */
  --color-brand-dark:      #0f2b33;
  --color-brand-mid:       #173D47;
  --color-brand-light:     #1f5060;

  /* ── Estados ─────────────────────────────── */
  --color-success:         #52B788;
  --color-warning:         #F4A261;
  --color-error:           #E63946;
  --color-info:            #4FC3F7;
  --color-accent:          #D4A017;

  /* ── Radios ──────────────────────────────── */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   18px;
  --radius-full: 9999px;

  /* ── Espaciado (4px base) ────────────────── */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* ── Tipografía — alineada con admin ─────── */
  /* Tamaños fijos (mismo criterio que admin.css) */
  --text-xs:   0.72rem;   /* 11.5px — labels, badges    */
  --text-sm:   0.84rem;   /* 13.5px — ui, botones       */
  --text-base: 0.875rem;  /* 14px   — cuerpo estándar   */
  --text-lg:   1rem;      /* 16px   — subheadings       */
  --text-xl:   1.3rem;    /* 20.8px — títulos de página */

  /* ── Fuentes — idénticas al admin ────────── */
  --font-main:    'Satoshi', 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body:    var(--font-main);
  --font-display: var(--font-main);

  /* ── Sombras ─────────────────────────────── */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.35);
  --shadow-md: 0 4px 12px rgba(0,0,0,.45);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.55);
  --shadow-card: 0 2px 12px rgba(0,0,0,.35);

  /* ── Transición ──────────────────────────── */
  --transition: 0.15s ease;

  /* ── Sidebar ─────────────────────────────── */
  --sidebar-w: 220px;
}

/* ── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
  line-height: 1.6;
}
img, video          { display: block; max-width: 100%; height: auto; }
input, button,
select, textarea    { font: inherit; color: inherit; }
button              { cursor: pointer; background: none; border: none; }
table               { border-collapse: collapse; width: 100%; }
h1,h2,h3,h4        { text-wrap: balance; line-height: 1.2; }
p, li               { text-wrap: pretty; }
a                   { color: var(--color-primary-light); text-decoration: none; }
a:hover             { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Skeleton shimmer ────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
.skeleton {
  background: linear-gradient(90deg,
    var(--color-surface-offset)  25%,
    var(--color-surface-dynamic) 50%,
    var(--color-surface-offset)  75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
.skeleton-box { border-radius: var(--radius-md); }

/* ── Badges de dificultad ────────────────────── */
.dif-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.dif-baja     { background: rgba(82,183,136,0.15);  color: #52B788;  border: 1px solid rgba(82,183,136,0.3); }
.dif-media    { background: rgba(244,162,97,0.15);  color: #F4A261;  border: 1px solid rgba(244,162,97,0.3); }
.dif-alta     { background: rgba(230,57,70,0.15);   color: #E63946;  border: 1px solid rgba(230,57,70,0.25); }
.dif-remota   { background: rgba(186,85,211,0.15);  color: #CE93D8;  border: 1px solid rgba(186,85,211,0.3); }
.dif-travesia { background: rgba(79,195,247,0.15);  color: #4FC3F7;  border: 1px solid rgba(79,195,247,0.3); }

/* ── Status badges ───────────────────────────── */
.badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.badge-activo   { background: rgba(82,183,136,0.15);  color: #52B788; border: 1px solid rgba(82,183,136,0.3); }
.badge-inactivo { background: rgba(230,57,70,0.1);    color: #E63946; border: 1px solid rgba(230,57,70,0.25); }
.badge-ok       { background: rgba(82,183,136,0.15);  color: #52B788; border: 1px solid rgba(82,183,136,0.3); }
.badge-info     { background: rgba(79,195,247,0.12);  color: #4FC3F7; border: 1px solid rgba(79,195,247,0.25); }
.badge-alerta   { background: rgba(244,162,97,0.15);  color: #F4A261; border: 1px solid rgba(244,162,97,0.3); }
.badge-cierre   { background: rgba(230,57,70,0.12);   color: #E63946; border: 1px solid rgba(230,57,70,0.25); }

/* ── Mensajes flash ──────────────────────────── */
.msg-ok,
.msg-err {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  margin-bottom: 16px;
}
.msg-ok  {
  background: rgba(82,183,136,0.1);
  border: 1px solid rgba(82,183,136,0.3);
  color: var(--color-success);
}
.msg-err {
  background: rgba(230,57,70,0.1);
  border: 1px solid rgba(230,57,70,0.3);
  color: #ff8080;
}

/* ── Utilidades de layout ────────────────────── */
.section-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.page-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.page-header h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}
.page-header p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* ── Botones base ────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
  font-family: var(--font-main);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary       { background: var(--color-primary-hover); color: #fff; }
.btn-primary:hover { background: var(--color-primary-active); color: #fff; }

.btn-ghost         { background: transparent; color: var(--color-text-muted); border: 1px solid var(--color-border); }
.btn-ghost:hover   { background: var(--color-surface-2); color: var(--color-text); }

/* ── Formularios base ────────────────────────── */
.form-input {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  padding: 8px 12px;
  font-size: var(--text-sm);
  font-family: var(--font-main);
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(79,195,215,0.12);
}
.form-input::placeholder { color: var(--color-text-faint); }