/* ============================================================
   Layout & Structure
   ============================================================ */

#app {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 16px 80px;
}

html.pwa-standalone #app {
  padding-top: 8px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--surface2);
  background: var(--bg);
  padding-top: max(16px, env(safe-area-inset-top));
  padding-left: max(0px, env(safe-area-inset-left));
  padding-right: max(0px, env(safe-area-inset-right));
  position: sticky;
  top: 0;
  z-index: 40;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-menu {
  position: relative;
}

.user-avatar-btn {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 2px solid var(--surface2);
  background: var(--surface2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
  transition: all 0.2s;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  -webkit-appearance: none;
  appearance: none;
  -webkit-user-select: none;
  user-select: none;
}

.user-avatar-btn:hover {
  border-color: var(--primary);
  background: var(--surface);
}

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

.user-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--surface2);
  border-radius: var(--radius-sm);
  min-width: 160px;
  margin-top: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  z-index: 50;
}

.user-menu-item {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.2s;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.user-menu-item:hover {
  background: var(--surface2);
}

.user-menu-item span {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.user-menu-divider {
  height: 1px;
  background: var(--surface2);
}

/* ============================================================
   Navigation
   ============================================================ */

nav {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.nav-btn {
  background: var(--surface);
  border: 1px solid var(--surface2);
  color: var(--text-muted);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.2s;
  min-height: 44px;
}

.nav-btn:hover,
.nav-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ============================================================
   Sections
   ============================================================ */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.events-header {
  margin-top: 12px;
  margin-bottom: 12px;
}

.search-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-box {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--surface2);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  height: 36px;
}

.search-box:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.12);
}

.search-box::placeholder {
  color: var(--text-muted);
}

.btn-create {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  line-height: 1;
}

.btn-create:hover {
  background: var(--primary-hover);
}

.section-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ============================================================
   Grid
   ============================================================ */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

/* ============================================================
   Auth Section
   ============================================================ */

#auth-section {
  max-width: 400px;
  margin: 0 auto;
  text-align: center;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 16px;
  overflow: hidden;
}

html.pwa-standalone #auth-section {
  padding-top: calc(env(safe-area-inset-top) + 18px);
}

html.pwa-standalone header {
  padding-top: calc(env(safe-area-inset-top) + 18px);
}

/* ============================================================
   Pushup UI
   ============================================================ */

.pushup-host {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 12px);
  right: 12px;
  z-index: 1200;
  width: min(360px, calc(100vw - 24px));
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.pushup {
  pointer-events: auto;
  border: 1px solid var(--surface2);
  border-left: 4px solid var(--primary);
  background: rgba(15, 23, 42, 0.97);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  animation: pushup-enter 0.2s ease-out;
}

.pushup-title {
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.pushup-message {
  font-size: 0.9rem;
}

.pushup-success {
  border-left-color: var(--success);
}

.pushup-info {
  border-left-color: var(--primary);
}

.pushup-error {
  border-left-color: var(--danger);
}

.pushup-exit {
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

@keyframes pushup-enter {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-title {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border: 1px solid var(--surface2);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.auth-tab {
  flex: 1;
  padding: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  min-height: 44px;
  font-size: 0.95rem;
}

.auth-tab.active {
  background: var(--primary);
  color: white;
}

/* ============================================================
   Responsive (Tablet)
   ============================================================ */

@media (max-width: 768px) {
  #app {
    padding: 0 12px 100px;
  }

  header {
    padding: 12px 0;
    gap: 8px;
  }

  .logo {
    font-size: 1.3rem;
  }

  .search-box {
    font-size: 16px;
  }

  .section-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .section-title {
    font-size: 1.2rem;
  }

  .nav-btn {
    padding: 10px 14px;
    font-size: 0.95rem;
    min-height: 44px;
  }

  #auth-section {
    margin: 40px 0;
    padding: 0 16px;
  }

  .auth-title {
    font-size: 2.5rem;
  }
}

/* ============================================================
   Responsive (Mobile)
   ============================================================ */

@media (max-width: 600px) {
  #app {
    padding: 0 8px 120px;
  }

  header {
    padding: 10px 0 10px max(8px, env(safe-area-inset-left));
    gap: 4px;
  }

  .logo {
    font-size: 1.1rem;
    flex-shrink: 0;
  }

  .user-avatar-btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
  }

  .search-box {
    font-size: 16px;
  }

  .section-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .section-title {
    font-size: 1.1rem;
  }

  .nav-btn {
    padding: 10px 12px;
    font-size: 0.9rem;
    min-height: 44px;
  }

  #auth-section {
    margin: 30px auto;
    padding: 0 12px;
    max-width: 100%;
  }

  .auth-title {
    font-size: 2rem;
    margin-bottom: 4px;
  }

  .auth-subtitle {
    margin-bottom: 24px;
    font-size: 0.95rem;
  }

  .auth-tab {
    padding: 12px 8px;
    font-size: 0.95rem;
    min-height: 44px;
  }
}