/**
 * Estilos principales - Visor y formateador de JSON/CSV para archivos gigantes
 * Fijate Tools - JSON & CSV Ultra Viewer
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Paleta base oscura (predeterminada) */
  --bg-app: #080c14;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-surface-hover: #334155;
  --bg-input: #0b1120;
  --bg-code: #070b12;
  --bg-toolbar: rgba(15, 23, 42, 0.95);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #3b82f6;
  --border-strong: rgba(255, 255, 255, 0.16);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #8b5cf6;
  --accent-indigo: #6366f1;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px -5px rgba(59, 130, 246, 0.35);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', var(--font-sans);
  --font-mono: 'JetBrains Mono', monospace;

  --header-height: 64px;
  --toolbar-height: 52px;
}

[data-theme="light"] {
  --bg-app: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-surface-hover: #e2e8f0;
  --bg-input: #ffffff;
  --bg-code: #f8fafc;
  --bg-toolbar: rgba(255, 255, 255, 0.95);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-focus: #2563eb;
  --border-strong: rgba(0, 0, 0, 0.16);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 25px -5px rgba(37, 99, 235, 0.2);
}

/* Reset y base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100vh;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 60%), var(--bg-app);
  overflow: hidden;
}

/* Cabecera principal */
.app-header {
  height: var(--header-height);
  background-color: var(--bg-toolbar);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 50;
  flex-shrink: 0;
}

.header-container {
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-indigo) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text h1 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

.brand-text span {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-center {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* HUD de rendimiento */
.perf-hud {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.perf-hud .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.perf-hud strong {
  color: var(--text-primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-indigo) 100%);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-primary-hover) 0%, var(--accent-indigo) 100%);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon.btn-sm {
  width: 30px;
  height: 30px;
}

/* Selects e inputs */
.form-select, .form-input {
  background-color: var(--bg-input);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.45rem 0.8rem;
  font-size: 0.84rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-select:focus, .form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Contenedor principal de la aplicación */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Zona de ingesta / Dropzone cuando no hay archivo cargado */
.landing-hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  overflow-y: auto;
}

.landing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.landing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(59, 130, 246, 0.12);
  color: var(--accent-primary);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.landing-header h2 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.15;
}

.landing-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto;
}

.dropzone-container {
  width: 100%;
  margin-bottom: 1.5rem;
}

.dropzone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius-xl);
  background-color: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(8px);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

[data-theme="light"] .dropzone {
  background-color: rgba(255, 255, 255, 0.8);
}

.dropzone:hover, .dropzone.drag-over {
  border-color: var(--accent-primary);
  background-color: rgba(59, 130, 246, 0.06);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.dropzone-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.dropzone-text h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.dropzone-text p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.dropzone-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.landing-quick-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  width: 100%;
}

.landing-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  width: 100%;
  margin-top: 2rem;
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feature-card-icon {
  color: var(--accent-cyan);
}

.feature-card h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Área de trabajo activa (Workspace) */
.workspace-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* Barra de herramientas superior del visor */
.workspace-toolbar {
  height: var(--toolbar-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  gap: 1rem;
  flex-shrink: 0;
  z-index: 20;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Pestañas de vistas */
.view-tabs {
  display: flex;
  align-items: center;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.2rem;
  gap: 0.2rem;
}

.view-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.view-tab:hover {
  color: var(--text-primary);
}

.view-tab.active {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.file-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.file-pill-type {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background-color: var(--accent-primary);
  color: #ffffff;
}

.file-pill-size {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Contenido del visor */
.workspace-body {
  flex: 1;
  display: flex;
  position: relative;
  overflow: hidden;
  height: calc(100% - var(--toolbar-height));
}

.view-container {
  flex: 1;
  display: none;
  height: 100%;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.view-container.active {
  display: flex;
}

/* Barra de progreso global / indicador de carga */
.progress-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.progress-overlay.active {
  opacity: 1;
  visibility: visible;
}

.progress-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%;
  max-width: 440px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.progress-bar-wrap {
  width: 100%;
  height: 8px;
  background-color: var(--bg-input);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-cyan) 100%);
  transition: width 0.15s ease;
}

.progress-status {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

/* Toast / Notificación flotante no bloqueante */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 2000;
  pointer-events: none;
}

.toast {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  font-size: 0.84rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success {
  border-color: rgba(16, 185, 129, 0.4);
}

.toast.toast-error {
  border-color: rgba(244, 63, 94, 0.4);
}

/* Responsividad */
@media (max-width: 900px) {
  .header-center {
    display: none;
  }
  .landing-header h2 {
    font-size: 1.75rem;
  }
  .workspace-toolbar {
    padding: 0 0.75rem;
  }
  .view-tab span {
    display: none;
  }
}