/* EVBro — App header and top navigation.
   Standalone sheet: the load ORDER (templates/index.html) follows the original cascade; do not change it. */

/* ========================================================
   TOP APPLICATION HEADER & RESPONSIVE NAVIGATION
   ======================================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-navbar);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid var(--border-color);
  width: 100%;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Backward compatibility for legacy references */
.navbar {
  display: contents;
}

.navbar-main {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  max-width: 1440px;
  margin: 0 auto;
  gap: 0.85rem;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  user-select: none;
  transition: opacity 0.2s ease;
  cursor: pointer;
}

.brand:hover {
  opacity: 0.88;
}

.brand-crest,
.brand .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(145deg, #1f4565, #0c1822);
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 850;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

[data-theme="light"] .brand-crest,
[data-theme="light"] .brand .logo-icon {
  background: linear-gradient(145deg, var(--accent), var(--primary-dark));
  box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.2);
}

.brand:hover .brand-crest,
.brand:hover .logo-icon {
  transform: scale(1.04);
}

.brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.15;
}

.brand-copy strong,
.brand-title {
  font-size: 16px;
  font-weight: 750;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.brand-copy small {
  font-size: 11px;
  color: var(--muted);
  font-weight: 550;
  letter-spacing: -0.01em;
}

.brand span.mate {
  color: var(--accent);
}

/* Vehicle Selector Glass Pill */
.vehicle-selector-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--surface-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  padding: 0.28rem 0.65rem 0.28rem 0.85rem;
  transition: var(--transition);
}

.vehicle-selector-wrapper:hover,
.vehicle-selector-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.vehicle-select-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-right: 0.45rem;
}

.vehicle-select {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 650;
  padding: 0.25rem 1.4rem 0.25rem 0;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236e6e73' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 2px center;
  max-width: 175px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

[data-theme="dark"] .vehicle-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.vehicle-select option {
  background: var(--surface);
  color: var(--text-primary);
  padding: 0.5rem;
}

.nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .nav-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

.nav-btn.active {
  color: var(--text-primary);
  background: var(--surface);
  border-color: var(--line);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  font-weight: 750;
}

[data-theme="dark"] .nav-btn.active {
  background: #252528;
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  color: #ffffff;
}

/* Right Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

/* Account Status Pill Button */
.btn-account {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 650;
  border: 1px solid var(--border-color);
  background: var(--surface);
  color: var(--text-primary);
  cursor: pointer;
  box-shadow: var(--shadow-pill);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-account:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 10px var(--accent-glow);
}

.account-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #94a3b8;
  display: inline-block;
  flex-shrink: 0;
  transition: background 0.3s, box-shadow 0.3s;
}

.account-dot.connected {
  background: var(--success);
  box-shadow: 0 0 8px rgba(45, 106, 79, 0.7);
}

.account-dot.disconnected {
  background: var(--warning);
  box-shadow: 0 0 8px rgba(138, 100, 40, 0.6);
}

.account-dot.error {
  background: var(--danger);
  box-shadow: 0 0 8px rgba(220, 38, 38, 0.7);
}

/* Quick Theme Toggle Icon Button */
.nav-icon-btn {
  width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: var(--surface);
  cursor: pointer;
  font-size: 1.05rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-pill);
  transition: var(--transition);
  flex-shrink: 0;
}

.nav-icon-btn:hover {
  border-color: var(--accent);
  transform: scale(1.05);
}

/* Action Refresh & Install Button */
.btn-refresh {
  background: #111113;
  color: #ffffff;
  border: 1px solid transparent;
  padding: 0.45rem 1.05rem;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

[data-theme="dark"] .btn-refresh {
  background: #ffffff;
  color: #111113;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.15);
}

.btn-refresh:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}

.btn-refresh:active {
  transform: scale(0.97);
}

.btn-refresh.spin svg {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}