:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #121824;
  --bg-card: #1a2332;
  --bg-hover: #243044;
  --border-color: #2a384e;
  
  --accent-red: #ff3366;
  --accent-cyan: #00d4ff;
  --accent-green: #00ff88;
  --accent-gold: #ffb700;
  
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  height: 100vh;
  overflow: hidden;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  font-size: 28px;
  color: var(--accent-red);
  filter: drop-shadow(0 0 10px rgba(255, 51, 102, 0.5));
}

.brand h1 {
  font-size: 20px;
  font-weight: 700;
}

.accent-text {
  color: var(--accent-cyan);
}

.subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #ff3366, #ff6600);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 51, 102, 0.4);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

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

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
  border-radius: 4px;
  background-color: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  cursor: pointer;
}

.btn-sm:hover {
  color: var(--text-main);
  border-color: var(--accent-red);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.btn-icon:hover {
  color: var(--accent-red);
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 12px 24px;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--bg-secondary);
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.stat-icon {
  font-size: 22px;
}

.stat-icon.red { color: var(--accent-red); }
.stat-icon.cyan { color: var(--accent-cyan); }
.stat-icon.green { color: var(--accent-green); }
.stat-icon.gold { color: var(--accent-gold); }

.stat-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Toolbar */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 24px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 12px;
  flex: 1;
  max-width: 500px;
}

.search-icon {
  color: var(--text-muted);
  margin-right: 8px;
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 13px;
  width: 100%;
}

.filter-group {
  display: flex;
  gap: 6px;
}

.filter-chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-chip.active, .filter-chip:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  background-color: rgba(255, 51, 102, 0.1);
}

/* Main Grid */
.main-content {
  display: grid;
  grid-template-columns: 1fr 400px;
  flex: 1;
  overflow: hidden;
}

.panel {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-red);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
}

/* Tree Component */
.tree-root {
  font-family: var(--font-mono);
  font-size: 13px;
}

.tree-node {
  margin-left: 14px;
  user-select: none;
}

.tree-item {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  gap: 8px;
  transition: background 0.15s ease;
}

.tree-item:hover {
  background-color: var(--bg-hover);
}

.tree-item.selected {
  background-color: rgba(255, 51, 102, 0.15);
  border-left: 3px solid var(--accent-red);
}

.toggle-icon {
  width: 14px;
  text-align: center;
  color: var(--text-dim);
  transition: transform 0.2s ease;
}

.toggle-icon.expanded {
  transform: rotate(90deg);
  color: var(--accent-red);
}

.item-icon {
  font-size: 14px;
}

.item-icon.folder { color: var(--accent-gold); }
.item-icon.video { color: var(--accent-red); }
.item-icon.audio { color: var(--accent-cyan); }
.item-icon.image { color: var(--accent-green); }
.item-icon.doc { color: #38bdf8; }
.item-icon.archive { color: #f43f5e; }
.item-icon.code { color: #a855f7; }

.item-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-size {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: 8px;
}

.tree-children {
  display: none;
}

.tree-children.open {
  display: block;
}

/* Inspector */
.inspector-panel {
  border-right: none;
  background-color: var(--bg-secondary);
}

.empty-inspector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-dim);
  text-align: center;
  gap: 12px;
  padding: 24px;
}

.empty-inspector i {
  font-size: 36px;
  color: var(--accent-red);
}

.inspector-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inspector-title-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.inspector-big-icon {
  font-size: 32px;
}

.inspector-name {
  font-size: 16px;
  font-weight: 700;
  word-break: break-all;
}

.meta-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.meta-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-main);
  background-color: var(--bg-card);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  word-break: break-all;
}

.inspector-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

/* Footer */
.app-footer {
  padding: 8px 24px;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
}

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 200px;
  color: var(--accent-red);
  font-size: 14px;
}

/* Modal de Autenticación Google Exclusiva */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: #1e293b;
  border: 1px solid rgba(255, 51, 102, 0.4);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 51, 102, 0.15);
  border-radius: 16px;
  width: 100%;
  max-width: 440px;
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  animation: modalAppear 0.3s ease-out;
}

@keyframes modalAppear {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.auth-icon-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 51, 102, 0.1);
  border: 1px solid rgba(255, 51, 102, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #ff3366;
}

.auth-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: #f8fafc;
  margin: 0;
}

.auth-subtitle {
  font-size: 13px;
  color: #94a3b8;
  margin: 0;
}

.allowed-user-box {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  color: #00d4ff;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
  justify-content: center;
}

.auth-error-msg {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #ef4444;
  border-radius: 8px;
  padding: 10px;
  font-size: 12px;
  color: #fca5a5;
  width: 100%;
  box-sizing: border-box;
}

.btn-google-signin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  background-color: #ffffff;
  color: #1f2937;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.btn-google-signin:hover {
  background-color: #f3f4f6;
  transform: translateY(-1px);
  box-shadow: 0 6px 12px -2px rgba(0, 0, 0, 0.3);
}

.google-logo-svg {
  width: 20px;
  height: 20px;
}

.auth-footer-note {
  font-size: 11px;
  color: #64748b;
  margin: 0;
}

.user-badge-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10b981;
  padding: 6px 12px;
  border-radius: 20px;
  font-weight: 600;
}

.text-green {
  color: #10b981;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.input-field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  width: 100%;
}

.input-field-group label {
  font-size: 11px;
  text-transform: uppercase;
  color: #94a3b8;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.input-field-group input {
  width: 100%;
  padding: 10px 14px;
  background-color: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: #f8fafc;
  font-family: var(--font-sans);
  font-size: 13px;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.input-field-group input:focus {
  outline: none;
  border-color: #ff3366;
  box-shadow: 0 0 0 2px rgba(255, 51, 102, 0.2);
}

.btn-block {
  width: 100%;
  padding: 12px;
  justify-content: center;
  font-size: 14px;
}

.auth-divider {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 4px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-divider span {
  padding: 0 10px;
  font-size: 10px;
  color: #64748b;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.auth-action-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}