/**
 * Fijate Tools - Calculadora de cuello de botella de PC
 * Estilos canónicos, tema oscuro/claro y diseño responsive
 */

:root {
  --bg-primary: #0b0f19;
  --bg-surface: #111827;
  --bg-card: #1f2937;
  --bg-card-hover: #283548;
  --border-color: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-red: #ef4444;

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

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);
  --transition-fast: 0.2s ease;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #f1f5f9;
  --bg-card-hover: #e2e8f0;
  --border-color: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --shadow-card: 0 4px 15px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tool-layout {
  max-width: 1200px;
  width: 100%;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Tarjetas y bloques */
.card-main {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.card-header {
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 0.35rem;
  line-height: 1.5;
}

/* Barra de presets rápidos */
.presets-wrapper {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.presets-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.presets-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-preset {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-preset:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Rejilla de selección */
.form-grid-controls {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-search-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
  margin-bottom: 0.35rem;
}

.form-search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.form-select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  padding: 0.75rem 2.5rem 0.75rem 0.85rem;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2306b6d4' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
  cursor: pointer;
  transition: var(--transition-fast);
  min-height: 44px;
}

.form-select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.form-select optgroup {
  background: var(--bg-surface);
  color: var(--accent-cyan);
  font-weight: 700;
  padding: 0.5rem;
}

.form-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.4rem;
}

/* Panel de resultados principales con velocímetro */
.dashboard-results {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1rem;
}

.gauge-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gauge-container {
  position: relative;
  width: 260px;
  height: 140px;
  overflow: hidden;
}

.gauge-svg {
  width: 100%;
  height: 100%;
}

.gauge-needle {
  transform-origin: 130px 125px;
  transform: rotate(-90deg);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.gauge-center-val {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
}

.gauge-number {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.gauge-subtext {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* Veredicto */
.verdict-section {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.verdict-pill {
  align-self: flex-start;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.verdict-optimal {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.verdict-minor {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-yellow);
  border: 1px solid var(--accent-yellow);
}

.verdict-cpu-heavy, .verdict-gpu-heavy {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.verdict-title {
  font-size: 1.4rem;
}

.verdict-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Rejilla de métricas clave */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.25rem;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.metric-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Tarjetas de juegos FPS */
.games-section {
  margin-top: 2rem;
}

.section-heading {
  font-size: 1.15rem;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.game-fps-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.game-fps-card:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
}

.game-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: block;
}

.game-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.2rem;
}

.game-stat {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.game-fps-num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.fps-unit {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.fps-pill {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.fps-ultra { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.fps-high { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }
.fps-med { background: rgba(245, 158, 11, 0.2); color: var(--accent-yellow); }
.fps-low { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); }

/* Consejos de actualización */
.advice-section {
  margin-top: 1.5rem;
}

.advice-card {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid;
  align-items: flex-start;
}

.advice-card p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-top: 0.35rem;
}

.advice-optimal {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
}
.advice-optimal .advice-icon { color: var(--accent-green); }

.advice-warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
}
.advice-warning .advice-icon { color: var(--accent-yellow); }

.advice-info {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.3);
}
.advice-info .advice-icon { color: var(--accent-cyan); }

.advice-icon {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

/* Modales canónicos */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  padding: 1rem;
}

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

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.2rem;
}

.modal-btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.modal-btn-close:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.modal-body {
  padding: 1.5rem;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-body h4 {
  color: var(--text-primary);
  font-size: 1rem;
  margin-top: 0.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #0b0f19;
  font-weight: 700;
  border: none;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  filter: brightness(1.1);
}

/* Adaptación responsive */
@media (max-width: 900px) {
  .dashboard-results {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
  .verdict-section {
    align-items: center;
  }
  .verdict-pill {
    align-self: center;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .form-grid-controls {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .btn-preset {
    flex: 1 1 calc(50% - 0.5rem);
    justify-content: center;
  }
  .tool-layout {
    margin: 1rem auto 2rem;
    padding: 0 0.75rem;
  }
}