/* --- REDISEÑO "GRID TECNOLÓGICO ANIMADO" --- */

/* 1. Fuentes y Variables */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&family=Roboto+Mono&display=swap');

:root {
  --font-title: 'Orbitron', sans-serif;
  --font-body: 'Roboto Mono', monospace;
  
  /* -- Tema Oscuro (Por Defecto) -- */
  --grid-color: rgba(0, 255, 255, 0.1); /* Color de la rejilla (Cian muy transparente) */
  --bg-color-dark: #0a0a1a; /* Azul muy oscuro, casi negro */
  --container-bg-color: rgba(15, 20, 40, 0.8);
  --text-color: #d0d0d0;
  --text-color-title: #00ffff; /* Cian brillante */
  --border-color: rgba(0, 255, 255, 0.2);
  --glow-color: rgba(0, 255, 255, 0.4);
  --accent-color: #00ffff;
  --accent-color-hover: #ffffff;
  --danger-color: #ff0055; /* Rosa neón */
  
  /* -- Tema Claro -- */
  --grid-color-light: rgba(0, 86, 179, 0.1); /* Rejilla azul sutil */
  --bg-color-light: #f4f7f9;
  --container-bg-color-light: rgba(255, 255, 255, 0.9);
  --text-color-light: #1c1c1e;
  --text-color-title-light: #0056b3;
  --border-color-light: #d0d7de;
}

/* 2. Estilos Globales */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--bg-color-dark);
  transition: background-color 0.5s ease, color 0.5s ease;
  position: relative;
  overflow-x: hidden;

  /* El nuevo fondo "Grid Tecnológico Animado" */
  background-image: 
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: gridAnimation 5s linear infinite;
}

/* Animación del grid */
@keyframes gridAnimation {
  from { background-position: 0 0; }
  to { background-position: 40px 0; }
}

[data-theme="light"] body {
  background-color: var(--bg-color-light);
  color: var(--text-color-light);
  background-image: 
    linear-gradient(var(--grid-color-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color-light) 1px, transparent 1px);
}

/* 3. Contenedor y Título */
.container {
  max-width: 900px;
  margin: 5vh auto;
  padding: 32px;
  background: var(--container-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  backdrop-filter: blur(5px);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 25px rgba(0,0,0,0.5);
}

[data-theme="light"] .container {
  background: var(--container-bg-color-light);
  border-color: var(--border-color-light);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

h1 {
  font-family: var(--font-title);
  color: var(--text-color-title);
  text-align: center;
  margin-bottom: 24px;
  text-shadow: 0 0 8px var(--glow-color);
}

[data-theme="light"] h1 {
  color: var(--text-color-title-light);
  text-shadow: none;
}

h3 { color: var(--text-color); }
[data-theme="light"] h3 { color: var(--text-color-light); }

/* 4. Estilos de Interfaz */
.prompt-area, .result-box {
  width: 100%;
  padding: 12px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: inherit;
  font-family: inherit;
  font-size: 1em;
  transition: all 0.3s ease;
}

[data-theme="light"] .prompt-area, 
[data-theme="light"] .result-box {
  background: rgba(255,255,255,0.5);
}

.prompt-area { min-height: 120px; }
.result-box { min-height: 150px; }

.prompt-area:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 10px var(--glow-color);
}

.button-group, .result-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

button {
  font-family: var(--font-body);
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 4px;
  border: 1px solid;
  cursor: pointer;
  background: transparent;
  transition: all 0.2s ease-in-out;
}

#executeBtn {
  color: var(--accent-color);
  border-color: var(--accent-color);
  background-color: rgba(0, 255, 255, 0.1);
}
#executeBtn:hover:not(:disabled) {
  background-color: var(--accent-color);
  color: var(--bg-color-dark);
  box-shadow: 0 0 15px var(--glow-color);
}

#clearBtn {
  color: var(--danger-color);
  border-color: var(--danger-color);
}
#clearBtn:hover:not(:disabled) {
  background-color: var(--danger-color);
  color: white;
}

.result-actions button {
  color: var(--text-color);
  border-color: var(--border-color);
}
.result-actions button:hover:not(:disabled) {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* 5. Otros Estilos */
.theme-toggle-container { position: absolute; top: 20px; right: 20px; z-index: 2; }

#themeToggle {
  background: var(--container-bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-radius: 50%;
  width: 40px; height: 40px;
  font-size: 1.5em;
}

.loading {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(10, 10, 20, 0.8);
  display: none;
  flex-direction: column;
  justify-content: center; align-items: center;
  z-index: 1000;
  color: white;
  backdrop-filter: blur(5px);
}
.spinner {
  width: 40px; height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }