/* =========================================================
   Backstage — Portal Shell
   Auth screens, topbar, settings drawer, dashboard grid.
   All class names use bs- prefix.
   ========================================================= */

/* =========================================================
   THEME TRANSITION OVERLAY
   ========================================================= */

.theme-transition {
  position: fixed;
  top: var(--ty, 50%);
  left: var(--tx, 50%);
  width: 0; height: 0;
  border-radius: 50%;
  background: var(--background);
  z-index: 9999;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0);
}

.theme-transition.active {
  animation: bs-wipe 0.6s ease-in forwards;
}

@keyframes bs-wipe {
  0%   { width: 0; height: 0; opacity: 1; }
  100% { width: 300vmax; height: 300vmax; opacity: 1; }
}

/* =========================================================
   AUTH SCREENS (login + first-time setup)
   ========================================================= */

.bs-auth-bg {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--background);
  z-index: 50;
}

.bs-auth-card {
  background: var(--surface);
  border: 1px solid rgba(20,184,166,.2);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%; max-width: 400px;
  box-shadow: 0 8px 40px var(--shadow);
}

.bs-auth-logo {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 2rem;
}

.bs-auth-logo img {
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 8px;
  padding: 4px;
}

.bs-auth-logo .bs-product {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.bs-auth-card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.bs-auth-card p.bs-auth-hint {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.bs-field {
  margin-bottom: 1rem;
}

.bs-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bs-field input,
.bs-field input[type="url"],
.bs-field input[type="password"],
.bs-field input[type="text"] {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--background);
  border: 1.5px solid rgba(20,184,166,.25);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color .2s;
  box-sizing: border-box;
}

.bs-field input:focus {
  border-color: var(--primary);
}

.bs-form-error {
  color: #ef4444;
  font-size: 0.82rem;
  min-height: 1rem;
  margin: -0.25rem 0 0.75rem;
}

.bs-auth-btn {
  width: 100%;
  padding: 0.8rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: opacity .2s, transform .2s;
}

.bs-auth-btn:hover { opacity: .9; transform: translateY(-1px); }
.bs-auth-btn:active { transform: translateY(0); }

/* Google sign-in: white button, multi-color logo. Standard Google look. */
.bs-auth-btn--google {
  background: #fff;
  color: #1f1f1f;
  border: 1px solid rgba(0, 0, 0, 0.15);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}
.bs-auth-btn--google:hover {
  background: #f8f9fa;
  opacity: 1;
  border-color: rgba(0, 0, 0, 0.25);
}
[data-theme="dark"] .bs-auth-btn--google {
  background: #2a2a2a;
  color: #e8eaed;
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}
[data-theme="dark"] .bs-auth-btn--google:hover {
  background: #353535;
  border-color: rgba(255, 255, 255, 0.28);
}

/* Bundle Q: divider between primary password sign-in and secondary Google
   sign-in. The "ou" label sits centered over a horizontal hairline. */
.bs-auth-divider {
  position: relative;
  margin: 1.5rem 0 1rem;
  text-align: center;
}
.bs-auth-divider::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 1px;
  background: rgba(20, 184, 166, 0.18);
}
.bs-auth-divider-text {
  position: relative;
  display: inline-block;
  padding: 0 0.75rem;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.82rem;
}
[data-theme="dark"] .bs-auth-divider::before {
  background: rgba(255, 255, 255, 0.1);
}

/* =========================================================
   APP SHELL
   ========================================================= */

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

/* Topbar */
.bs-topbar {
  background: var(--surface);
  border-bottom: 1px solid rgba(20,184,166,.15);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 2px 10px var(--shadow);
}

.bs-topbar--presentation {
  position: fixed;
  left: 0; right: 0;
  z-index: 9900;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.bs-topbar--presentation.bs-topbar--visible {
  transform: translateY(0);
  opacity: 1;
}

.bs-topbar-item {
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: 'Inter', system-ui, sans-serif;
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  background: rgba(20,184,166,.1);
  border: 1px solid rgba(20,184,166,.2);
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.bs-topbar-item:hover {
  background: rgba(20,184,166,.2);
  color: var(--text-primary);
}

.bs-topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Codex hub variant: wider inner to fit the 5-tab strip alongside
   brand + icon buttons + logout, and tighter gap so tabs cluster
   with the brand instead of floating mid-bar. */
.bs-topbar-inner--with-tabs {
  max-width: 1400px;
  gap: 0.4rem;
}

.bs-topbar-logo {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none;
}

.bs-topbar-back {
  display: flex; align-items: center; justify-content: center;
  text-decoration: none;
  color: var(--primary);
  flex-shrink: 0;
}

/* PensoIA glyph-wordmark + page suffix lockup. */
.bs-topbar-logo {
  gap: 0.6rem;
  align-items: center;
}

.bs-topbar-mark {
  display: inline-flex;
  align-items: center;
  height: 28px;
}
.bs-topbar-mark svg {
  height: 28px;
  width: auto;
  display: block;
}

/* Theme-aware wordmark switch via inline SVG. Light theme = navy P + navy
   "enso" + teal "IA"; dark theme = white P + white "enso" + teal "IA". Both
   rendered, CSS hides one based on the active theme. */
.bs-topbar-logo-dark { display: none; }
[data-theme="dark"] .bs-topbar-logo-light { display: none; }
[data-theme="dark"] .bs-topbar-logo-dark { display: inline-flex; }

.bs-topbar-name {
  font-family: 'Comfortaa', 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1;
  /* Subtle separator hint via a thin border-left for visual lockup integrity. */
  padding-left: 0.65rem;
  border-left: 1px solid var(--border, rgba(255,255,255,0.16));
}

.bs-topbar-spacer { flex: 1; }

/* Codex hub tab strip (between brand and spacer) */
.bs-topbar-tabs {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding-left: 0.4rem;
}

.bs-topbar-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  letter-spacing: -0.005em;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.bs-topbar-tab:hover {
  color: var(--text-primary);
  background: rgba(20,184,166,.08);
}

.bs-topbar-tab.active {
  color: var(--primary);
  background: rgba(20,184,166,.12);
}

.bs-topbar-tab-dot {
  display: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ef4444;
  flex-shrink: 0;
}
.bs-topbar-tab-dot.live {
  display: inline-block;
  animation: bs-tab-dot-pulse 2s ease-in-out infinite;
}

/* Bundle F hybrid: thin 30px sub-row INSIDE the topbar chassis. Hidden when
   subTabs is empty (the DOM node isn't rendered at all). Aligns with where
   the main tabs start (logo + tabs use ~220px on the left). */
.bs-topbar-subrow {
  height: 30px;
  display: flex;
  align-items: center;
  padding: 0 1.5rem 0 230px;
  gap: 0.1rem;
  border-top: 1px solid rgba(255,255,255,0.04);
  background: rgba(0,0,0,0.10);
}
[data-theme="light"] .bs-topbar-subrow {
  background: rgba(0,0,0,0.025);
  border-top-color: rgba(20,184,166,0.10);
}
.bs-topbar-subtabs {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}
.bs-topbar-subtab {
  padding: 0.2rem 0.65rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim, var(--text-secondary));
  text-decoration: none;
  border-radius: 5px;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}
.bs-topbar-subtab:hover {
  color: var(--text-primary);
  background: rgba(20,184,166,0.06);
}
.bs-topbar-subtab.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}
[data-theme="light"] .bs-topbar-subtab.active {
  background: rgba(20,184,166,0.12);
  color: var(--primary);
}

@keyframes bs-tab-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.75); }
}

.bs-icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  background: transparent;
  border: 1.5px solid rgba(20,184,166,.3);
  border-radius: 8px;
  cursor: pointer;
  color: var(--primary);
  transition: all .2s;
}

.bs-icon-btn:hover {
  background: rgba(20,184,166,.1);
  border-color: var(--primary);
}

#themeIcon {
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px;
  color: var(--primary);
}


.bs-logout-btn {
  padding: 0.4rem 1rem;
  background: transparent;
  border: 1.5px solid rgba(20,184,166,.3);
  border-radius: 8px;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
}

.bs-logout-btn:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: rgba(239,68,68,.06);
}

/* Main content area */
.bs-main {
  flex: 1;
  padding: 2.5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
/* Tighter top on the dashboard so the tabs sit closer to the topbar. */
.bs-main:has(#view-dashboard) { padding-top: 1.25rem; }

/* =========================================================
   DASHBOARD — Tool grid
   ========================================================= */

.bs-dashboard-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.bs-tabs {
  display: flex;
  gap: 2rem;
  margin: 0 0 2rem;
  border-bottom: 1px solid var(--border);
}
.bs-tab {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.bs-tab:hover { color: var(--text-primary); }
.bs-tab.is-active {
  color: var(--text-primary);
  border-bottom-color: var(--primary);
}

.bs-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.bs-tool-card {
  background: var(--surface);
  border: 1px solid rgba(20,184,166,.15);
  border-radius: 16px;
  padding: 2rem;
  cursor: pointer;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  box-shadow: 0 2px 8px var(--shadow);
  text-decoration: none;
  display: block;
  position: relative;
}

.bs-tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px var(--shadow);
  border-color: rgba(20,184,166,.4);
  text-decoration: none;
}

.bs-tool-card.bs-disabled {
  opacity: .6;
  cursor: default;
  pointer-events: none;
}

.bs-tool-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  color: white;
}

.bs-tool-codename {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  opacity: 0.65;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.bs-tool-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.bs-tool-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.bs-soon-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: rgba(20,184,166,.15);
  border: 1px solid rgba(20,184,166,.3);
  color: var(--primary);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* Legacy section on the Backstage homepage — small, de-emphasized
   row below the primary tool grid for tools kept around for ongoing
   maintenance only (ClassForge). */
.bs-legacy-section {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border, rgba(20,184,166,.12));
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.bs-legacy-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0.7;
}

.bs-legacy-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.85rem;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid var(--border, rgba(20,184,166,.12));
  background: var(--surface);
  width: fit-content;
  transition: border-color 0.15s, background 0.15s;
}

.bs-legacy-link:hover {
  border-color: rgba(20,184,166,.3);
  background: rgba(20,184,166,.04);
}

.bs-legacy-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.92rem;
}

.bs-legacy-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

@media (max-width: 1100px) {
  .bs-topbar-tab { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
  .bs-topbar-inner--with-tabs { gap: 0.25rem; padding: 0 0.85rem; }
}

@media (max-width: 600px) {
  .bs-main { padding: 1.5rem 1rem; }
  .bs-topbar-name { font-size: 1rem; }
  .bs-tool-grid { grid-template-columns: 1fr; }
}