/* layout.css — Header, nav, main, responsive */

/* ─── App container ─── */

.app-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 56px);
}

/* PWA standalone: safe area top padding */
@media (display-mode: standalone) and (max-width: 768px) {
  .app-container {
    padding-top: max(env(safe-area-inset-top, 20px), 20px);
  }
}

/* iOS PWA fallback — navigator.standalone is true in iOS PWA */
.app-container.pwa-ios {
  padding-top: max(env(safe-area-inset-top, 44px), 44px);
}

/* ─── Header ─── */

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.app-logo {
  display: flex;
  align-items: center;
  user-select: none;
  text-decoration: none;
}

.app-logo-img {
  height: 32px;
  width: auto;
}

.app-logo:hover {
  opacity: 0.85;
}

/* ─── Navigation ─── */

.app-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-tab {
  position: relative;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: var(--hover-bg);
}

.nav-tab.active {
  color: var(--accent);
  background: var(--hover-bg);
}

/* nav-tab active underline handled by interactions.css */

/* ─── Header actions ─── */

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 8px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--hover-bg);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
}

/* ─── Language toggle ─── */

.lang-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.lang-toggle:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* ─── Auth area ─── */

.auth-area {
  display: flex;
  align-items: center;
}

.btn-login {
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  padding: 0.4rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.btn-login:hover {
  color: var(--text-primary);
  background: var(--hover-bg);
}

.btn-login svg {
  width: 24px;
  height: 24px;
}

.btn-user {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--accent);
}

/* ─── User dropdown menu ─── */

.user-menu {
  background: rgba(25, 25, 25, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  min-width: 200px;
  padding: 0.5rem 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  z-index: 200;
  animation: menuFadeIn 0.12s ease-out;
}

[data-theme="light"] .user-menu {
  background: rgba(250, 248, 244, 0.92);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

@keyframes menuFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-menu-profile {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
}

.user-menu-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
}

.user-menu-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.user-menu-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-menu-status {
  font-size: 11px;
  font-weight: 500;
  color: var(--primary-color);
  text-decoration: none;
}

.user-menu-status:hover {
  text-decoration: underline;
}

.user-menu-divider {
  height: 1px;
  background: var(--border-color);
  margin: 0.25rem 0;
}

.user-menu-item {
  display: block;
  width: 100%;
  padding: 0.5rem 0.875rem;
  background: none;
  border: none;
  text-align: left;
  font-size: var(--text-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.user-menu-item:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
}

.user-menu-logout:hover {
  color: var(--danger-color);
}

.user-menu-guest {
  min-width: 230px;
}

.user-menu-signin {
  padding: 0.625rem 0.875rem;
}

.btn-google-signin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.875rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.btn-google-signin:hover {
  background: rgba(255, 255, 255, 0.14);
}

[data-theme="light"] .btn-google-signin {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .btn-google-signin:hover {
  background: rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
}

/* ─── Main content ─── */

.app-main {
  flex: 1;
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0;
  min-height: 0;
  overflow: visible;
}

/* ─── View header (inside each view) ─── */

.view-header {
  margin-bottom: var(--spacing-md);
}

.view-header-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.view-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0;
}

.view-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.2;
  margin-top: 0;
}

/* ─── Empty state ─── */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 32px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.4;
}

.empty-state-text {
  font-size: var(--text-sm);
  max-width: 320px;
  line-height: 1.5;
}

/* ─── Responsive ─── */

@media (max-width: 1400px) {
  .app-container {
    padding: 0 var(--spacing-md);
  }
  .header-inner {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 768px) {
  /* Header moves to bottom on mobile */
  .app-header {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    border-bottom: none;
    border-top: 1px solid var(--border-color);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    /* Stay anchored to layout viewport, ignore virtual keyboard */
    transform: translateZ(0);
  }

  .header-inner {
    padding: 0 var(--spacing-sm);
    height: 48px;
  }

  /* Adjust container for bottom header + safe area */
  .app-container {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
    padding-bottom: calc(48px + env(safe-area-inset-bottom, 0px));
    min-height: 100vh;
    height: auto;
  }

  .app-main {
    padding: 0;
  }

  .app-logo-img {
    height: 32px;
  }

  .nav-tab {
    font-size: var(--text-xs);
    padding: 6px 10px;
  }

  .view-title {
    font-size: var(--text-lg);
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 0 0.75rem;
  }

  .app-container {
    padding: 0 0.75rem;
  }

  .nav-tab {
    padding: 6px 8px;
  }
}