/* ══════════════════════════════════════════════════════════════
   PADOSHI — Layout: Header, Navigation, Main Content, Sidebar
   ══════════════════════════════════════════════════════════════ */

/* ── App Shell ────────────────────────────────────────────── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-main {
  flex: 1;
  padding-top: var(--header-height);
  padding-bottom: var(--nav-height);
}

/* ── Header (Top Bar) ─────────────────────────────────────── */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-glass-dark);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  transition: background var(--duration-normal);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-primary);
}

.header-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
}

.header-logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.5px;
}

.header-logo-text span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-neighborhood {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.header-neighborhood:hover {
  background: var(--primary-50);
  color: var(--primary-600);
}

.header-neighborhood svg {
  width: 14px;
  height: 14px;
}

.header-center {
  flex: 1;
  display: none;
  justify-content: center;
}

.header-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  max-width: 480px;
  padding: var(--space-2) var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal);
}

.header-search:focus-within {
  background: var(--bg-secondary);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.header-search svg {
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.header-search input {
  flex: 1;
  font-size: var(--text-sm);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header-action {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast);
  background: none;
  border: none;
}

.header-action:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.header-action svg {
  width: 22px;
  height: 22px;
}

.header-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--gradient-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  margin-left: var(--space-1);
  overflow: hidden;
}

.header-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Mobile Search Bar ────────────────────────────────────── */
.mobile-search {
  display: flex;
  padding: var(--space-3) var(--space-4);
}

.mobile-search .header-search {
  max-width: 100%;
}

/* ── Bottom Navigation (Mobile) ───────────────────────────── */
.app-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-glass-dark);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-light);
  z-index: var(--z-fixed);
  display: flex;
  align-items: stretch;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--text-tertiary);
  font-size: 10px;
  font-weight: 500;
  position: relative;
  transition: color var(--duration-fast);
}

.nav-item:hover {
  color: var(--text-secondary);
}

.nav-item.active {
  color: var(--primary-600);
}

[data-theme="dark"] .nav-item.active {
  color: var(--primary-400);
}

.nav-item svg {
  width: 24px;
  height: 24px;
  transition: transform var(--duration-fast) var(--ease-bounce);
}

.nav-item.active svg {
  transform: scale(1.1);
}

.nav-item .notif-dot {
  top: 6px;
  right: calc(50% - 16px);
}

.nav-item .notif-count {
  top: 2px;
  right: calc(50% - 20px);
}

/* ── Page Content Container ───────────────────────────────── */
.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.page-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ── Page Header ──────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.page-header h1 {
  font-size: var(--text-2xl);
}

.page-back {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: color var(--duration-fast);
  background: none;
  border: none;
}

.page-back:hover {
  color: var(--text-primary);
}

.page-back svg {
  width: 20px;
  height: 20px;
}

/* ── Two Column Layout (Desktop) ──────────────────────────── */
.layout-two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.layout-main {
  min-width: 0;
}

.layout-sidebar {
  display: none;
}

/* ── Sidebar Widgets ──────────────────────────────────────── */
.sidebar-widget {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.sidebar-widget-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

/* ── Desktop Sidebar Navigation ───────────────────────────── */
.desktop-nav {
  display: none;
}

.desktop-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--duration-fast);
  margin-bottom: var(--space-1);
}

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

.desktop-nav-item.active {
  background: var(--primary-50);
  color: var(--primary-600);
  font-weight: 600;
}

[data-theme="dark"] .desktop-nav-item.active {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-400);
}

.desktop-nav-item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (min-width: 640px) {
  .header-neighborhood {
    display: flex;
  }
}

@media (min-width: 768px) {
  .mobile-search {
    display: none;
  }

  .header-center {
    display: flex;
  }

  .app-main {
    padding-bottom: 0;
  }

  .app-nav {
    display: none;
  }

  .fab {
    bottom: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .app-header {
    padding: 0 var(--space-8);
  }

  .page-container {
    padding: 0 var(--space-8);
  }

  .layout-two-col {
    grid-template-columns: 1fr 320px;
  }

  .layout-sidebar {
    display: block;
    position: sticky;
    top: calc(var(--header-height) + var(--space-4));
    height: fit-content;
  }
}

@media (min-width: 1200px) {
  .layout-two-col {
    grid-template-columns: 240px 1fr 320px;
  }

  .desktop-nav {
    display: block;
    position: sticky;
    top: calc(var(--header-height) + var(--space-4));
    height: fit-content;
  }
}