/* ==========================================================================
   ibrahimtorres.net - CSS Base Compartido (v1)
   Colores, tipografía, encabezado, pie, tarjetas y botones
   ========================================================================== */

/* 1. Tipografías Autoalojadas con font-display: swap */
@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('/assets/fonts/plus-jakarta-sans-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/assets/fonts/jetbrains-mono-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* 2. Variables del Sistema de Diseño */
:root {
  /* Tipografías */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Paleta Oficial */
  --color-bg: #F8FAFC;            /* slate-50: fondo general del sitio */
  --color-surface: #FFFFFF;       /* blanco puro para tarjetas y módulos */
  --color-surface-soft: #F0F7FD;  /* azul glaciar suave / secciones */
  
  --color-text-main: #1E293B;     /* slate-800: títulos y texto de alto contraste */
  --color-text-body: #475569;     /* slate-600: texto corrido y descripciones */
  --color-text-muted: #64748B;    /* slate-500: etiquetas técnicas y pie */

  --color-primary: #0369A1;        /* sky-700: azul institucional primario */
  --color-primary-hover: #075985;  /* sky-800: hover primario */
  --color-primary-light: #E0F2FE;  /* sky-100: fondo de badges y acentos */
  --color-primary-border: #BAE6FD; /* sky-200: ribetes y divisores */

  --color-border-subtle: #E2E8F0;  /* slate-200: bordes estructurales */
  --color-border-card: #E0F2FE;    /* sky-100: borde fino de tarjetas */

  /* Estados e Insignias */
  --badge-avail-bg: #E0F2FE;
  --badge-avail-text: #0369A1;
  --badge-avail-border: #BAE6FD;

  --badge-soon-bg: #F1F5F9;
  --badge-soon-text: #64748B;
  --badge-soon-border: #E2E8F0;
}

/* 3. Reseteo y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* 4. Encabezado Oficial */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  position: relative;
  z-index: 40;
}

.header-inner {
  max-width: 56rem; /* 896px */
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.5rem 0.625rem;
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: 0.5rem;
  transition: color 0.15s ease, background-color 0.15s ease;
  touch-action: manipulation;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-surface-soft);
}

.nav-link-secondary {
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
}

.nav-link-secondary:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.header-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

@media (max-width: 480px) {
  .header-tag {
    display: none;
  }
  .nav-link {
    font-size: 0.875rem;
    padding: 0.5rem 0.25rem;
  }
}

/* 5. Pie de Página Oficial */
.site-footer {
  border-top: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  padding: 2rem 1rem;
  margin-top: auto;
}

.footer-inner {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* 6. Componentes de Tarjeta */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-card);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

.card-icon {
  font-size: 1.75rem;
  line-height: 1;
  display: inline-block;
}

.card-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-body);
  line-height: 1.55;
  font-weight: 400;
  margin-bottom: 1.5rem;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.5rem;
}

/* 7. Botones e Insignias */
.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  min-height: 44px;
  padding: 0.75rem 1.25rem;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  touch-action: manipulation;
}

.btn-action:hover {
  background-color: var(--color-primary-hover);
}

.btn-action:active {
  transform: scale(0.99);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  white-space: nowrap;
}

.status-badge-active {
  background-color: var(--badge-avail-bg);
  color: var(--badge-avail-text);
  border: 1px solid var(--badge-avail-border);
}

.status-badge-active::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background-color: var(--color-primary);
}

.status-badge-soon {
  background-color: var(--badge-soon-bg);
  color: var(--badge-soon-text);
  border: 1px solid var(--badge-soon-border);
}