/* ═══════════════════════════════════════════════════
   DIETA PLANA 503020 · RETRO TERMINAL CSS
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=VT323&family=Orbitron:wght@400;700;900&family=Press+Start+2P&display=swap');

:root {
  --negro:       #000000;
  --bg:          #020b05;
  --bg2:         #071410;
  --bg3:         #0a1f18;
  --verde:       #00ff41;
  --verde2:      #00cc33;
  --verde-dim:   #007a1f;
  --cian:        #00ffff;
  --cian-dim:    #007777;
  --magenta:     #ff00ff;
  --magenta-dim: #770077;
  --amarillo:    #ffff00;
  --naranja:     #ff8800;
  --rojo:        #ff0040;
  --blanco:      #e0ffe0;
  --gris:        #3a5c3a;
  --scanline:    rgba(0,255,65,0.03);
  --font-mono:   'Share Tech Mono', monospace;
  --font-title:  'VT323', monospace;
  --font-logo:   'Orbitron', monospace;
  --font-px:     'Press Start 2P', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--verde);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16'%3E%3Crect x='0' y='7' width='16' height='2' fill='%2300ff41'/%3E%3Crect x='7' y='0' width='2' height='16' fill='%2300ff41'/%3E%3C/svg%3E") 8 8, crosshair;
}

/* ── SCANLINES overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scanline) 2px,
    var(--scanline) 4px
  );
  pointer-events: none;
  z-index: 9998;
}

/* ── CRT flicker ── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
  z-index: 9997;
  animation: flicker 8s infinite;
}

@keyframes flicker {
  0%,95%,100% { opacity: 1; }
  96% { opacity: 0.94; }
  97% { opacity: 1; }
  98% { opacity: 0.96; }
}

/* ════════════════════════════════════
   TIPOGRAFÍA NEÓN
════════════════════════════════════ */

.neon-verde {
  color: var(--verde);
  text-shadow:
    0 0 4px var(--verde),
    0 0 10px var(--verde),
    0 0 20px var(--verde),
    0 0 40px var(--verde2);
  animation: parpadeo-verde 3s infinite;
}

.neon-cian {
  color: var(--cian);
  text-shadow:
    0 0 4px var(--cian),
    0 0 10px var(--cian),
    0 0 20px var(--cian),
    0 0 40px var(--cian-dim);
  animation: parpadeo-cian 4s infinite;
}

.neon-magenta {
  color: var(--magenta);
  text-shadow:
    0 0 4px var(--magenta),
    0 0 10px var(--magenta),
    0 0 20px var(--magenta),
    0 0 40px var(--magenta-dim);
  animation: parpadeo-magenta 5s infinite;
}

.neon-amarillo {
  color: var(--amarillo);
  text-shadow:
    0 0 4px var(--amarillo),
    0 0 10px var(--amarillo),
    0 0 25px var(--amarillo),
    0 0 50px #ff8800;
  animation: parpadeo-amarillo 2.5s infinite;
}

.neon-naranja {
  color: var(--naranja);
  text-shadow:
    0 0 4px var(--naranja),
    0 0 10px var(--naranja),
    0 0 25px var(--naranja);
  animation: parpadeo-naranja 3.5s infinite;
}

@keyframes parpadeo-verde {
  0%,100% { text-shadow: 0 0 4px var(--verde), 0 0 10px var(--verde), 0 0 20px var(--verde), 0 0 40px var(--verde2); }
  50% { text-shadow: 0 0 2px var(--verde), 0 0 6px var(--verde), 0 0 12px var(--verde); }
  92% { text-shadow: 0 0 4px var(--verde), 0 0 10px var(--verde), 0 0 20px var(--verde), 0 0 40px var(--verde2); }
  93% { text-shadow: none; opacity: 0.8; }
  94% { text-shadow: 0 0 4px var(--verde), 0 0 10px var(--verde), 0 0 20px var(--verde); }
}

@keyframes parpadeo-cian {
  0%,100% { text-shadow: 0 0 4px var(--cian), 0 0 10px var(--cian), 0 0 20px var(--cian), 0 0 40px var(--cian-dim); }
  50% { text-shadow: 0 0 2px var(--cian), 0 0 8px var(--cian); }
  88% { text-shadow: 0 0 4px var(--cian), 0 0 10px var(--cian), 0 0 20px var(--cian); }
  89% { text-shadow: none; opacity: 0.7; }
  90% { text-shadow: 0 0 4px var(--cian), 0 0 10px var(--cian), 0 0 20px var(--cian); }
}

@keyframes parpadeo-magenta {
  0%,100% { text-shadow: 0 0 4px var(--magenta), 0 0 10px var(--magenta), 0 0 20px var(--magenta), 0 0 40px var(--magenta-dim); }
  60% { text-shadow: 0 0 2px var(--magenta), 0 0 8px var(--magenta); }
  94% { text-shadow: 0 0 4px var(--magenta), 0 0 10px var(--magenta); }
  95% { text-shadow: none; opacity: 0.75; }
  96% { text-shadow: 0 0 4px var(--magenta), 0 0 10px var(--magenta), 0 0 20px var(--magenta); }
}

@keyframes parpadeo-amarillo {
  0%,100% { text-shadow: 0 0 4px var(--amarillo), 0 0 10px var(--amarillo), 0 0 25px var(--amarillo), 0 0 50px #ff8800; }
  50% { text-shadow: 0 0 2px var(--amarillo), 0 0 8px var(--amarillo); }
  85% { text-shadow: 0 0 4px var(--amarillo), 0 0 10px var(--amarillo); }
  86% { text-shadow: none; opacity: 0.6; }
  87% { text-shadow: 0 0 4px var(--amarillo), 0 0 10px var(--amarillo), 0 0 25px var(--amarillo); }
}

@keyframes parpadeo-naranja {
  0%,100% { text-shadow: 0 0 4px var(--naranja), 0 0 10px var(--naranja), 0 0 25px var(--naranja); }
  55% { text-shadow: 0 0 2px var(--naranja), 0 0 6px var(--naranja); }
  90% { text-shadow: none; opacity: 0.7; }
  91% { text-shadow: 0 0 4px var(--naranja), 0 0 10px var(--naranja), 0 0 25px var(--naranja); }
}

/* ════════════════════════════════════
   LAYOUT
════════════════════════════════════ */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ── TOPBAR ── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(2,11,5,0.97);
  border-bottom: 1px solid var(--verde-dim);
  padding: 6px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  backdrop-filter: blur(4px);
}

.topbar-logo {
  font-family: var(--font-logo);
  font-size: 13px;
  font-weight: 900;
  color: var(--verde);
  text-shadow: 0 0 8px var(--verde), 0 0 16px var(--verde2);
  white-space: nowrap;
  letter-spacing: 2px;
}

.topbar-prompt {
  font-size: 11px;
  color: var(--verde-dim);
  font-family: var(--font-mono);
}

.topbar-clock {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cian);
  text-shadow: 0 0 6px var(--cian);
  white-space: nowrap;
}

/* ── NAV 2 FILAS FIJAS ── */
nav.main-nav {
  position: fixed;
  top: 40px; left: 0; right: 0;
  z-index: 999;
  background: rgba(7,20,16,0.98);
  border-bottom: 2px solid var(--verde-dim);
  backdrop-filter: blur(4px);
}

.nav-fila {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.nav-fila-1 {
  border-bottom: 1px solid rgba(0,255,65,0.15);
  background: rgba(0,0,0,0.1);
}

.nav-fila-2 {
  background: rgba(0,10,5,0.3);
}

nav.main-nav a {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
  padding: 7px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--verde-dim);
  text-decoration: none;
  border-right: 1px solid #0a2a18;
  transition: all 0.2s;
  white-space: nowrap;
  text-align: center;
}

nav.main-nav a:last-child { border-right: none; }

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--verde);
  background: rgba(0,255,65,0.1);
  text-shadow: 0 0 6px var(--verde);
}

nav.main-nav .nav-fila-2 a:hover,
nav.main-nav .nav-fila-2 a.active {
  color: var(--cian);
  background: rgba(0,255,255,0.07);
  text-shadow: 0 0 6px var(--cian);
}

nav.main-nav a::before { content: ''; }

.nav-fila-1 a.active { border-bottom: 2px solid var(--verde); }
.nav-fila-2 a.active { border-bottom: 2px solid var(--cian); }

/* ── MAIN CONTENT ── */
main {
  margin-top: 100px;
  padding: 30px 20px 60px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

/* ════════════════════════════════════
   COMPONENTES TERMINALES
════════════════════════════════════ */

/* Ventana terminal */
.terminal-window {
  background: var(--bg2);
  border: 1px solid var(--verde-dim);
  border-radius: 4px;
  margin-bottom: 30px;
  box-shadow: 0 0 20px rgba(0,255,65,0.08), inset 0 0 30px rgba(0,0,0,0.5);
}

.terminal-titlebar {
  background: var(--bg3);
  border-bottom: 1px solid var(--verde-dim);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--verde-dim);
}

.terminal-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot-r { background: #ff3333; box-shadow: 0 0 6px #ff3333; }
.dot-y { background: var(--amarillo); box-shadow: 0 0 6px var(--amarillo); }
.dot-g { background: var(--verde); box-shadow: 0 0 6px var(--verde); }

.terminal-body { padding: 20px 24px; }

/* Prompt line */
.prompt { color: var(--verde-dim); font-size: 13px; margin-bottom: 4px; }
.prompt::before { content: 'root@dieta503020:~$ '; color: var(--verde); }
.prompt-out { color: var(--blanco); margin-bottom: 16px; padding-left: 20px; }

/* ── TÍTULOS ── */
h1, h2, h3, h4 { font-family: var(--font-title); letter-spacing: 2px; line-height: 1.2; }

h1 { font-size: clamp(28px, 5vw, 52px); }
h2 { font-size: clamp(22px, 3.5vw, 38px); margin-bottom: 16px; }
h3 { font-size: clamp(18px, 2.5vw, 28px); margin-bottom: 12px; }

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--verde-dim);
}

.section-title .emoji { font-size: 28px; filter: drop-shadow(0 0 6px currentColor); }

/* ── HERO ── */
.hero {
  text-align: center;
  padding: 40px 20px 50px;
  position: relative;
}

.hero-ascii {
  font-family: var(--font-mono);
  font-size: clamp(8px, 1.5vw, 13px);
  line-height: 1.2;
  color: var(--verde-dim);
  margin-bottom: 30px;
  white-space: pre;
  text-shadow: 0 0 4px var(--verde-dim);
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cian);
  text-shadow: 0 0 8px var(--cian);
  margin-bottom: 30px;
  animation: type-in 2s steps(60) forwards;
  overflow: hidden;
  white-space: nowrap;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@keyframes type-in {
  from { width: 0; }
  to { width: 100%; }
}

/* Cursor parpadeante */
.cursor {
  display: inline-block;
  width: 10px; height: 18px;
  background: var(--verde);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  box-shadow: 0 0 8px var(--verde);
}

@keyframes blink { 0%,100%{ opacity:1; } 50%{ opacity:0; } }

/* ── GRID DE CARDS ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--verde-dim);
  border-radius: 3px;
  padding: 16px 18px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--verde);
  box-shadow: 0 0 8px var(--verde);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.card:hover::before { transform: scaleX(1); }
.card:hover { border-color: var(--verde); box-shadow: 0 0 15px rgba(0,255,65,0.15); }

.card.cian::before     { background: var(--cian); box-shadow: 0 0 8px var(--cian); }
.card.magenta::before  { background: var(--magenta); box-shadow: 0 0 8px var(--magenta); }
.card.amarillo::before { background: var(--amarillo); box-shadow: 0 0 8px var(--amarillo); }
.card.naranja::before  { background: var(--naranja); box-shadow: 0 0 8px var(--naranja); }

.card:hover.cian     { border-color: var(--cian);    box-shadow: 0 0 15px rgba(0,255,255,0.15); }
.card:hover.magenta  { border-color: var(--magenta); box-shadow: 0 0 15px rgba(255,0,255,0.15); }
.card:hover.amarillo { border-color: var(--amarillo);box-shadow: 0 0 15px rgba(255,255,0,0.15); }
.card:hover.naranja  { border-color: var(--naranja); box-shadow: 0 0 15px rgba(255,136,0,0.15); }

.card-icon { font-size: 28px; margin-bottom: 8px; }
.card-title { font-family: var(--font-mono); font-size: 13px; font-weight: bold; margin-bottom: 6px; }
.card-body { font-size: 13px; color: rgba(0,255,65,0.7); line-height: 1.6; }

/* ── TABLAS ── */
.table-wrap { overflow-x: auto; margin-bottom: 24px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-family: var(--font-mono);
}

thead tr { border-bottom: 2px solid var(--verde-dim); }
thead th {
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

tbody tr {
  border-bottom: 1px solid rgba(0,255,65,0.08);
  transition: background 0.15s;
}
tbody tr:hover { background: rgba(0,255,65,0.04); }
tbody td { padding: 9px 14px; vertical-align: middle; }

.tag-permitido { color: var(--verde); font-size: 11px; }
.tag-evitar    { color: var(--amarillo); font-size: 11px; }
.tag-prohibido { color: var(--rojo); font-size: 11px; text-shadow: 0 0 6px var(--rojo); }

/* ── PROPORCION BAR ── */
.prop-bar {
  display: flex;
  height: 44px;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--verde-dim);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.prop-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: bold;
  transition: flex 0.5s;
}

.prop-50 { flex: 5; background: rgba(0,255,65,0.15); color: var(--verde); border-right: 1px solid var(--verde-dim); text-shadow: 0 0 6px var(--verde); }
.prop-30 { flex: 3; background: rgba(255,136,0,0.15); color: var(--naranja); border-right: 1px solid var(--verde-dim); text-shadow: 0 0 6px var(--naranja); }
.prop-20 { flex: 2; background: rgba(255,0,255,0.12); color: var(--magenta); text-shadow: 0 0 6px var(--magenta); }

/* ── ALIMENTO ROWS ── */
.alimento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.alimento-item {
  background: var(--bg3);
  border: 1px solid rgba(0,255,65,0.2);
  border-radius: 3px;
  padding: 10px 14px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s;
}

.alimento-item:hover {
  border-color: var(--verde);
  background: rgba(0,255,65,0.05);
  box-shadow: 0 0 10px rgba(0,255,65,0.1);
}

.alimento-item .emoji { font-size: 20px; flex-shrink: 0; }
.alimento-item .info { flex: 1; }
.alimento-item .nombre { font-family: var(--font-mono); color: var(--blanco); font-size: 13px; }
.alimento-item .porcion { font-size: 11px; color: var(--verde-dim); }

.alimento-item.cian  { border-color: rgba(0,255,255,0.2); }
.alimento-item.cian:hover { border-color: var(--cian); background: rgba(0,255,255,0.05); }
.alimento-item.cian .nombre { color: rgba(200,255,255,0.9); }

.alimento-item.magenta { border-color: rgba(255,0,255,0.2); }
.alimento-item.magenta:hover { border-color: var(--magenta); background: rgba(255,0,255,0.05); }
.alimento-item.magenta .nombre { color: rgba(255,200,255,0.9); }

/* ── PILLS ── */
.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 2px;
  font-size: 11px;
  font-family: var(--font-mono);
  border: 1px solid;
  margin: 2px;
}
.pill-verde   { border-color: var(--verde);   color: var(--verde);   background: rgba(0,255,65,0.08); }
.pill-cian    { border-color: var(--cian);    color: var(--cian);    background: rgba(0,255,255,0.08); }
.pill-magenta { border-color: var(--magenta); color: var(--magenta); background: rgba(255,0,255,0.08); }
.pill-naranja { border-color: var(--naranja); color: var(--naranja); background: rgba(255,136,0,0.08); }
.pill-rojo    { border-color: var(--rojo);    color: var(--rojo);    background: rgba(255,0,64,0.08); }

/* ── LINKS ── */
a { color: var(--cian); text-decoration: none; transition: all 0.2s; }
a:hover { color: var(--verde); text-shadow: 0 0 6px var(--verde); }

.link-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--cian-dim);
  border-radius: 3px;
  background: var(--bg2);
  color: var(--cian);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  transition: all 0.2s;
  margin-bottom: 8px;
}

.link-btn:hover {
  border-color: var(--cian);
  background: rgba(0,255,255,0.06);
  color: var(--cian);
  text-shadow: 0 0 6px var(--cian);
  box-shadow: 0 0 12px rgba(0,255,255,0.12);
  transform: translateX(4px);
}

.link-btn .licon { font-size: 18px; flex-shrink: 0; }
.link-btn .ltitle { font-weight: bold; display: block; }
.link-btn .ldesc  { font-size: 11px; color: var(--cian-dim); display: block; }
.link-btn .larrow { margin-left: auto; color: var(--cian-dim); }

.link-btn.video   { border-color: rgba(255,0,64,0.4); color: var(--rojo); }
.link-btn.video:hover { border-color: var(--rojo); background: rgba(255,0,64,0.06); color: var(--rojo); text-shadow: 0 0 6px var(--rojo); }
.link-btn.video .ldesc { color: rgba(255,0,64,0.5); }

.link-btn.doc     { border-color: rgba(255,255,0,0.3); color: var(--amarillo); }
.link-btn.doc:hover { border-color: var(--amarillo); background: rgba(255,255,0,0.04); color: var(--amarillo); text-shadow: 0 0 6px var(--amarillo); }
.link-btn.doc .ldesc { color: rgba(255,255,0,0.4); }

.link-btn.dieta   { border-color: rgba(255,0,255,0.3); color: var(--magenta); }
.link-btn.dieta:hover { border-color: var(--magenta); background: rgba(255,0,255,0.05); color: var(--magenta); text-shadow: 0 0 6px var(--magenta); }
.link-btn.dieta .ldesc { color: rgba(255,0,255,0.4); }

/* ── PROHIBIDO BOX ── */
.prohibido-box {
  border: 1px solid var(--rojo);
  background: rgba(255,0,64,0.04);
  border-radius: 3px;
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: 0 0 12px rgba(255,0,64,0.1);
}

.prohibido-box h3 {
  color: var(--rojo);
  text-shadow: 0 0 8px var(--rojo);
  margin-bottom: 12px;
}

/* ── INFO BOXES ── */
.info-box {
  border-left: 3px solid var(--cian);
  background: rgba(0,255,255,0.04);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 13px;
  color: rgba(0,255,255,0.85);
}

.warning-box {
  border-left: 3px solid var(--amarillo);
  background: rgba(255,255,0,0.04);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 13px;
  color: rgba(255,255,0,0.85);
}

/* ── SEPARATOR ── */
.sep {
  border: none;
  border-top: 1px solid var(--verde-dim);
  margin: 30px 0;
  position: relative;
}
.sep::after {
  content: '◆ ◆ ◆';
  position: absolute;
  left: 50%;
  top: -10px;
  transform: translateX(-50%);
  background: var(--bg);
  padding: 0 12px;
  font-size: 10px;
  color: var(--verde-dim);
  letter-spacing: 6px;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--verde-dim);
  padding: 20px;
  text-align: center;
  font-size: 11px;
  color: var(--verde-dim);
  font-family: var(--font-mono);
  margin-top: 40px;
}

footer span { color: var(--verde); text-shadow: 0 0 6px var(--verde); }

/* ── PROGRESO ── */
.boot-line {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--verde-dim);
  padding: 2px 0;
}
.boot-line .ok { color: var(--verde); margin-left: 8px; }
.boot-line .err { color: var(--rojo); margin-left: 8px; }

/* ── ANIMACIONES DE ENTRADA ── */
.fade-in {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  main { margin-top: 100px; padding: 20px 14px 50px; }
  .hero-ascii { font-size: 7px; }
  .topbar-prompt { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .alimento-grid { grid-template-columns: 1fr 1fr; }
  table { font-size: 11px; }
  thead th, tbody td { padding: 7px 8px; }
}