/* ==========================================================================
   Layout Styles - TestGenAI Application Shell
   ========================================================================== */

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Background ambient glow effect */
body::before {
  content: '';
  position: fixed;
  top: -15vw;
  left: 20vw;
  width: 50vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.05) 45%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -10vw;
  right: 10vw;
  width: 40vw;
  height: 35vw;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 65%);
  z-index: -1;
  pointer-events: none;
}

/* App Shell Container */
#app {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */
.sidebar {
  width: var(--sidebar-width);
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 24px 20px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-primary);
}

.brand-logo svg {
  width: 22px;
  height: 22px;
  color: #fff;
}

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

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #ffffff 40%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.12);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  margin-top: 2px;
  width: fit-content;
}

/* Navigation List */
.sidebar-nav {
  flex: 1;
  padding: 18px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-muted);
  padding: 12px 10px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-item:hover {
  background:var(--bg-soft);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.18), rgba(99, 102, 241, 0.05));
  color: #fff;
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  opacity: 0.8;
  transition: transform var(--transition-fast);
}

.nav-item:hover svg,
.nav-item.active svg {
  opacity: 1;
  color: var(--accent-primary, #818cf8);
}

.nav-item .nav-badge {
  margin-left: auto;
  font-size: 0.72rem;
  padding: 2px 7px;
  background:var(--bg-soft);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-weight: 600;
}

.nav-item.active .nav-badge {
  background: var(--primary);
  color: #fff;
}

/* "Más opciones" — grupo colapsable */
.nav-more-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-top: 10px;
  padding: 9px 14px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-more-toggle:hover {
  color: var(--text-secondary);
  background:var(--bg-soft);
}

.nav-more-toggle .chevron {
  width: 15px;
  height: 15px;
  transition: transform var(--transition-fast);
}

.nav-more-toggle.expanded .chevron {
  transform: rotate(180deg);
}

.nav-more-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 2px;
}

/* Respeta el atributo [hidden] pese al display:flex de arriba */
.nav-more-group[hidden] {
  display: none;
}

/* Sidebar Footer & User Profile */
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(11, 17, 32, 0.6);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.backend-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--text-muted);
  padding: 6px 8px;
  background:var(--bg-panel);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
  background: var(--error);
  box-shadow: 0 0 8px var(--error);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-md);
  background:var(--bg-soft);
  border: 1px solid var(--border-subtle);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-primary, #a5b4fc);
  letter-spacing: 0.04em;
}

.btn-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  color: var(--error);
  background: var(--error-bg);
}

/* ==========================================================================
   Main Content Area & Topbar
   ========================================================================== */
.main-wrapper {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
}

.topbar {
  height: var(--topbar-height);
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 90;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.current-view-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.project-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background:var(--bg-soft);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.project-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  font-family: var(--font-sans);
}

.project-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* View Content Container */
.content-area {
  flex: 1;
  padding: 32px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .topbar {
    padding: 0 20px;
  }
  .content-area {
    padding: 20px;
  }
}

/* Mejora 47: Estilo de Foco por Teclado (J/K/A/R/E) */
.test-case-item.keyboard-selected {
  outline: 2px solid var(--primary) !important;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.25), var(--shadow-md) !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  transform: translateY(-2px);
}

/* Mejora 51: Paleta de Comandos Global (Ctrl+K) */
.command-palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  animation: fadeIn 0.15s ease-out;
}

.command-palette-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-xl), 0 0 30px rgba(99, 102, 241, 0.2);
  overflow: hidden;
}

.command-palette-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.command-palette-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  outline: none;
}

.command-palette-results {
  max-height: 350px;
  overflow-y: auto;
  padding: 8px;
}

.command-palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.1s ease;
}

.command-palette-item:hover,
.command-palette-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
}

/* Mejora 48: Vista Dividida (Split-View) Widescreen */
@media (min-width: 1440px) {
  .widescreen-split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: flex-start;
  }
}


#btn-toggle-sidebar { display: none; }
@media (max-width: 1024px) {
  #btn-toggle-sidebar { display: inline-flex; flex-shrink: 0; }
  .topbar-title { font-size: 1rem; }
  .project-selector-wrapper { min-width: 0; }
  .project-select { max-width: 45vw; }
  .content-area [style*="grid-template-columns: 360px 1fr"] { grid-template-columns: 1fr !important; }
}