/* ============================================================
   SHELL v2 — Sidebar grupat + Agent avatar header + Hero metric
   Layered on top of 10-shell.css (does NOT replace)
   ============================================================ */

/* === App layout === */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: 100vh;
}

@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-h) 1fr auto;
    grid-template-areas:
      "header"
      "main"
      "sidebar";
  }
}

/* === Sidebar === */
.sidebar {
  grid-area: sidebar;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: var(--sp-5) var(--sp-3);
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0 var(--sp-3) var(--sp-5);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-4);
}
.sidebar-brand img {
  width: 36px; height: 36px; border-radius: var(--r-md);
}
.sidebar-brand .brand-text {
  font-weight: 700;
  font-size: var(--fs-h3);
  letter-spacing: -0.01em;
}

.sidebar-group {
  margin-bottom: var(--sp-5);
}
.sidebar-group-label {
  font-size: var(--fs-tiny);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-subtle);
  padding: 0 var(--sp-3);
  margin-bottom: var(--sp-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  color: var(--text-muted);
  font-size: var(--fs-body);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 0;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: background var(--t-fast), color var(--t-fast);
  position: relative;
}
.sidebar-link:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}
.sidebar-link.active {
  background: var(--sidebar-hover);
  color: var(--text);
}
.sidebar-link.active::before {
  content: "";
  position: absolute;
  left: 0; top: 25%; bottom: 25%;
  width: 3px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--tab-color, var(--accent));
}

.sidebar-link-icon {
  width: 20px; height: 20px;
  color: var(--tab-color, var(--text-muted));
  flex-shrink: 0;
}

.sidebar-link-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-link-badge {
  font-size: var(--fs-tiny);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #fff;
  min-width: 20px;
  text-align: center;
}
.sidebar-link-badge.muted {
  background: var(--card-hover);
  color: var(--text-muted);
}

/* Sidebar mobile: bottom nav cu 5 quick actions */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: auto;
    top: auto;
    border-right: 0;
    border-top: 1px solid var(--border);
    padding: var(--sp-2);
    z-index: var(--z-sticky);
    background: rgba(14, 14, 16, 0.92);
    backdrop-filter: blur(12px);
  }
  .sidebar-brand,
  .sidebar-group-label {
    display: none;
  }
  .sidebar-group {
    display: flex;
    gap: var(--sp-1);
    margin: 0;
  }
  .sidebar-link {
    flex-direction: column;
    gap: 2px;
    padding: var(--sp-2);
    font-size: var(--fs-tiny);
  }
  .sidebar-link-label {
    font-size: var(--fs-tiny);
  }
  .sidebar-link-badge {
    position: absolute;
    top: 4px; right: 4px;
    padding: 0 5px;
    min-width: 16px;
    font-size: 10px;
  }
}

/* === Header with agent avatar ===
   Scoped to .app-shell .app-header on purpose (was bare `.app-header`,
   a class-only selector that also matched the ORIGINAL static logo
   header in index.html — same class name, different element — painting
   an opaque rectangle behind the logo instead of letting the grid show
   through, on both desktop and mobile). Only the injected compact title
   bar (inside .app-shell) should get the solid sticky background. */
.app-shell .app-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-6);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}
.app-header-title {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-h3);
  font-weight: 700;
  margin: 0;
}
.app-header-tab-color {
  width: 4px;
  height: 24px;
  border-radius: var(--r-sm);
  background: var(--app-color, var(--accent));
}
.app-header-actions {
  /* FIX 2026-07-18: Ali - un singur robot e suficient (cel plutitor
     sus-dreapta, .bg-robot). Acest avatar mic + nume din header-ul
     compact era un al doilea robot redundant "unde scrie Dashboard
     pe mijloc" - ascuns, nu sters (usor de reactivat daca se razgandeste). */
  display: none;
}
.agent-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--app-color, var(--border));
  object-fit: cover;
  transition: transform var(--t-med) var(--ease-out);
}
.agent-avatar:hover {
  transform: scale(1.05) rotate(-3deg);
}
.agent-info {
  display: flex;
  flex-direction: column;
  font-size: var(--fs-small);
  line-height: 1.2;
}
.agent-info-name {
  font-weight: 600;
  color: var(--text);
}
.agent-info-role {
  color: var(--text-muted);
  font-size: var(--fs-tiny);
}

/* === Main content === */
.app-main {
  grid-area: main;
  padding: var(--sp-6);
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
}

/* === Hero metric (dashboard dominant) === */
.hero-metric {
  background: linear-gradient(135deg, var(--card) 0%, var(--bg-elevated) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  margin-bottom: var(--sp-6);
  position: relative;
  overflow: hidden;
}
.hero-metric::before {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 60%; height: 200%;
  background: radial-gradient(circle, var(--app-color-glow, var(--accent-glow)) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}
.hero-metric-label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-2);
}
.hero-metric-value {
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}
.hero-metric-delta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  margin-top: var(--sp-2);
  font-size: var(--fs-body);
  font-weight: 600;
}
.hero-metric-delta.up { color: var(--ok); }
.hero-metric-delta.down { color: var(--err); }
.hero-metric-delta.flat { color: var(--text-muted); }

.hero-metric-secondary {
  display: flex;
  gap: var(--sp-6);
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.hero-secondary-item {
  flex: 1;
}
.hero-secondary-label {
  font-size: var(--fs-tiny);
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.hero-secondary-value {
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-top: 2px;
  color: var(--text);
}

/* === Generic card (refined) === */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  margin-bottom: var(--sp-4);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.card:hover {
  border-color: var(--border-hover);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-4);
}
.card-title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin: 0;
}
.card-subtitle {
  font-size: var(--fs-small);
  color: var(--text-muted);
  margin-top: var(--sp-1);
}

/* === Action button variants === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: var(--fs-body);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
  font-family: inherit;
}
.btn:hover { border-color: var(--border-hover); background: var(--card-hover); }
.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.btn.success {
  background: var(--ok);
  color: #fff;
  border-color: var(--ok);
}
.btn.success:hover {
  background: #16a34a;
  border-color: #16a34a;
}
.btn.danger {
  background: var(--err);
  color: #fff;
  border-color: var(--err);
}
.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}
.btn.ghost:hover {
  background: var(--sidebar-hover);
  color: var(--text);
}
.btn.sm {
  padding: 4px 10px;
  font-size: var(--fs-small);
}