/**
 * ELEMENTA - Estilos Globales, Navbar, Filtros y Layout SPA
 */

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

code, kbd, samp, pre {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 24px;
}

.header-inner {
  max-width: 1700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  text-decoration: none;
}

.brand-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #00f0ff 0%, #3b82f6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #00f0ff, #38d9a9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.brand-text span {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Top Navigation Tabs */
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface-elevated);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.nav-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.nav-tab-btn.active {
  background: var(--accent-cyan);
  color: #000000;
  box-shadow: 0 2px 10px rgba(0, 240, 255, 0.35);
}

/* Header Action Controls */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

/* Controls & Filters Bar */
.controls-bar-section {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
}

.controls-bar-inner {
  max-width: 1700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.controls-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* Search input */
.search-box-wrapper {
  position: relative;
  flex: 1;
  min-width: 240px;
  max-width: 400px;
}

.search-input {
  width: 100%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 9px 14px 9px 38px;
  border-radius: var(--radius-md);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
}

.search-icon-symbol {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Mode Switchers */
.mode-switches-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.view-mode-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.view-mode-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.view-mode-btn.active {
  background: var(--bg-glass-card);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

/* Temperature Slider Box */
.temp-slider-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface-elevated);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 12px;
}

.temp-slider-box input[type="range"] {
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.temp-display-badge {
  font-weight: 700;
  color: var(--accent-cyan);
  min-width: 65px;
  font-family: monospace;
}

/* Category Legend / Filter Pills */
.filter-pills-row {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-pills-row::-webkit-scrollbar {
  height: 4px;
}

.filter-pills-row::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.cat-pill {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.cat-pill .pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.cat-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-color);
}

.cat-pill.active {
  background: var(--border-color);
  color: #ffffff;
  border-color: var(--accent-cyan);
}

/* App Main Content & View Switching */
.main-content-viewport {
  flex: 1;
  max-width: 1700px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 60px 24px;
}

.view-section {
  display: none;
  animation: fadeIn 0.25s ease forwards;
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Common Components */
.btn-primary {
  background: linear-gradient(135deg, #00f0ff 0%, #00b4d8 100%);
  color: #000000;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(0, 240, 255, 0.35);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5);
}

.pill-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pill-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--accent-cyan);
}

.tool-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #ef4444;
  color: #fca5a5;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  margin: 16px 0;
}

/* App Footer */
.app-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  margin-top: auto;
}

.footer-links {
  margin-top: 6px;
  display: flex;
  justify-content: center;
  gap: 16px;
}

.footer-links a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
}