/* ==========================================================================
   Top app bar + navigation
   ========================================================================== */

header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: -1rem -1rem 1rem;
  padding: 0.875rem 1rem;
  background: var(--md-sys-color-surface-container-low);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  /* Club-brand highlight stripe. A box-shadow rather than border-top so it
     survives the desktop breakpoint's `border` shorthand below untouched,
     and so it follows the header's border-radius there instead of
     squaring off the corners. */
  box-shadow: inset 0 3px 0 0 var(--box-accent);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 0.6rem;
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
  font-size: var(--md-sys-typescale-title-large-size);
  line-height: var(--md-sys-typescale-title-large-line-height);
  font-weight: var(--meta-strong-weight);
}

.club-logo {
  height: 32px;
  width: auto;
  border-radius: var(--md-sys-shape-corner-small);
}

.brand-club-name {
  font-weight: var(--meta-strong-weight);
}

/* Product wordmark, pinned to the header's top-right on club pages so
   the club name stays the primary identity. On platform-only pages
   .brand-club-name instead renders the full-weight Clubsie wordmark. */
.brand-tagline {
  flex-shrink: 0;
  font-size: var(--meta-size);
  font-weight: 400;
  color: var(--md-sys-color-on-surface-variant);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0 -0.5rem;
}

nav a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.75rem;
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font-size: var(--meta-size);
  line-height: var(--meta-line-height);
  font-weight: var(--meta-strong-weight);
  letter-spacing: var(--meta-tracking);
}

nav a:hover,
nav a:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}

nav a.nav-link-active {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
}

/* Open-help-request count on the Help nav item — replaces the old
   persistent full-width banner (Decision Log, docs/work/0016). */
.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  margin-left: 0.4rem;
  padding: 0 0.35rem;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-extended-color-warning);
  color: var(--md-extended-color-on-warning);
  font-size: var(--meta-size);
  font-weight: var(--meta-strong-weight);
  line-height: 1;
}

/* Inline shell Settings is a normal-flow disclosure, never a floating
   account popover. These rules give it a full-width final navigation row
   and preserve the native disclosure semantics. */
.shell-nav .settings-disclosure { margin-top: var(--space-3); }
.shell-nav .settings-disclosure > summary {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  min-height: 40px;
  padding: 0 var(--space-2);
  border-radius: var(--md-sys-shape-corner-extra-small);
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--meta-size);
  line-height: var(--meta-line-height);
  font-weight: var(--meta-strong-weight);
  letter-spacing: var(--meta-tracking);
  cursor: pointer;
  list-style: none;
}
.shell-nav .settings-disclosure > summary::-webkit-details-marker { display: none; }
.shell-nav .settings-disclosure > summary::after {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  margin: -0.15rem 0 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.shell-nav .settings-disclosure > summary:hover,
.shell-nav .settings-disclosure > summary:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}
.shell-nav .settings-disclosure[open] > summary {
  background: color-mix(in oklch, var(--md-sys-color-primary) 12%, transparent);
  color: var(--md-sys-color-primary);
}
.shell-nav .settings-disclosure[open] > summary::after {
  margin-top: 0.15rem;
  transform: rotate(-135deg);
}
.settings-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2) 0 var(--space-1);
}
.settings-content form { margin: 0; }
.settings-content > form > button {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 2.5rem;
  padding: 0 var(--space-2);
  border: none;
  border-radius: var(--md-sys-shape-corner-extra-small);
  background: none;
  color: var(--md-sys-color-on-surface-variant);
  font: inherit;
  font-size: var(--meta-size);
  font-weight: var(--meta-strong-weight);
  letter-spacing: var(--meta-tracking);
  text-align: left;
  cursor: pointer;
}
.settings-content > form > button:hover,
.settings-content > form > button:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}

/* Light/Dark/Auto — a compact segmented control, not more menu rows. */
.theme-switcher {
  display: flex;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
}

.theme-switcher button {
  flex: 1;
  width: auto;
  min-height: 2rem;
  justify-content: center;
  padding: 0.3rem 0;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-extra-small);
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--meta-size);
  line-height: var(--meta-line-height);
}

.theme-switcher button[aria-pressed="true"] {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-color: transparent;
}

.theme-switcher button:hover {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}

.theme-switcher button[aria-pressed="true"]:hover {
  background: color-mix(in oklch, var(--md-sys-color-secondary-container) 92%, var(--md-sys-color-on-secondary-container) 8%);
}

@media (min-width: 600px) {
  header:not(.mobile-shell-header) {
    border-radius: var(--md-sys-shape-corner-large);
    margin: 0 0 1.5rem;
    border: 1px solid var(--md-sys-color-outline-variant);
  }
}

/* ==========================================================================
   Responsive breakpoints (mobile-first; base rules above already target
   phone width — these widen things out for tablet/desktop, roughly M3's
   compact / medium / expanded window-size classes)
   ========================================================================== */

@media (min-width: 600px) {
  body {
    padding: 1.5rem;
  }

  .season-details {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .profile-details div {
    grid-template-columns: minmax(7rem, 1fr) 2fr;
    gap: 0.75rem;
  }

  .profile-form {
    max-width: 30rem;
  }
}

@media (min-width: 900px) {
  body {
    max-width: 960px;
  }
}

.app-shell, .platform-shell {
  margin: 0;
  min-width: 0;
  width: 100%;
  /* clip avoids a sticky containing block (hidden on one axis computes the
     other to auto). html/body still clip horizontally as the #49 backstop. */
  overflow-x: clip;
}
.club-shell-page, .platform-shell-page {
  max-width: none;
  padding: 0;
  margin: 0;
  width: 100%;
  overflow-x: clip;
}
.app-sidebar { display: none; }
.mobile-shell-header {
  display: flex;
  align-items: center;
  /* Reset the legacy page-header column layout: the drawer trigger and
     wordmark are one leading row in either responsive shell. */
  flex-direction: row;
  justify-content: flex-start;
  margin: 0;
  border-radius: 0;
  border: none;
  gap: var(--space-2);
  min-height: 56px;
  padding: var(--space-2) var(--space-4);
  background: var(--md-sys-color-surface-container-low);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  box-shadow: none;
}
.mobile-shell-header .brand {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1rem;
}
.navigation-drawer-trigger,
.navigation-drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--md-sys-shape-corner-full);
  background: none;
  color: var(--md-sys-color-on-surface);
}
.navigation-drawer-trigger:hover,
.navigation-drawer-trigger:focus-visible,
.navigation-drawer-close:hover,
.navigation-drawer-close:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}
.hat-switcher { display: flex; align-items: center; gap: var(--space-2); color: var(--md-sys-color-on-surface-variant); font-size: var(--meta-size); }
.hat-switcher select { min-height: 32px; padding: 0 var(--space-2); border: 1px solid var(--md-sys-color-outline); border-radius: var(--md-sys-shape-corner-extra-small); background: var(--md-sys-color-surface-container-low); color: inherit; }

html.modal-open,
body.modal-open {
  overflow: hidden !important;
  overscroll-behavior: none !important;
}

.navigation-drawer {
  position: fixed;
  box-sizing: border-box;
  inset: 0 auto 0 0;
  width: min(320px, calc(100vw - 56px));
  max-width: calc(100vw - 56px);
  height: 100%;
  max-height: 100%;
  margin: 0;
  padding: var(--space-4);
  overflow: hidden;
  border: none;
  border-right: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-surface-container-low);
  color: var(--md-sys-color-on-surface);
  box-shadow: var(--md-sys-elevation-2);
  opacity: 1;
  transform: translateX(0);
  transition: transform 250ms cubic-bezier(.2, 0, 0, 1), opacity 250ms linear;
}
.navigation-drawer:not([open]) { display: none; }
.navigation-drawer[open] { display: flex; flex-direction: column; }
@starting-style {
  .navigation-drawer[open] { opacity: 0; transform: translateX(-100%); }
}
.navigation-drawer[data-closing="true"] { opacity: 0; transform: translateX(-100%); }
.navigation-drawer::backdrop {
  background: color-mix(in oklch, var(--md-sys-color-scrim) 32%, transparent);
  overscroll-behavior: none;
  touch-action: none;
}
.navigation-drawer-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
  margin-bottom: var(--space-2);
  flex-shrink: 0;
}
.navigation-drawer-header .brand {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--md-sys-color-on-surface);
}
.navigation-drawer-header .brand .club-logo { flex-shrink: 0; }
.navigation-drawer-header .brand .drawer-logo-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
  font-weight: var(--meta-strong-weight);
  font-size: 1.125rem;
  flex-shrink: 0;
}

/* In-place Mobile & Tablet Hierarchical Drawer */
.drawer-view {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}
.drawer-view-group {
  min-height: 0;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}
.drawer-view[hidden] {
  display: none !important;
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  width: 100%;
}
.drawer-item {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 3rem;
  padding: 0 var(--space-3);
  border: none;
  border-radius: var(--md-sys-shape-corner-full);
  background: none;
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 150ms ease, color 150ms ease;
}
.drawer-item:hover,
.drawer-item:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}
.drawer-item[aria-current="page"],
.drawer-item[aria-current="true"] {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
}
.drawer-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-right: var(--space-3);
  flex-shrink: 0;
}
.drawer-item-label {
  flex: 1;
  min-width: 0;
}
.drawer-item-chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--md-sys-color-on-surface-variant);
  flex-shrink: 0;
}
.drawer-back-wrap {
  margin-bottom: var(--space-2);
}
.drawer-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.5rem;
  padding: 0 var(--space-4);
  border-radius: var(--md-sys-shape-corner-full);
  border: 1px solid var(--md-sys-color-outline);
  background: none;
  color: var(--md-sys-color-on-surface);
  font-size: var(--meta-size);
  font-weight: var(--meta-strong-weight);
  cursor: pointer;
  transition: background 150ms ease;
}
.drawer-back-btn:hover,
.drawer-back-btn:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}
.drawer-group-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.drawer-group-section[hidden] {
  display: none !important;
}
.drawer-group-title {
  font-size: var(--md-sys-typescale-title-medium-size, 1.125rem);
  font-weight: var(--meta-strong-weight);
  color: var(--md-sys-color-on-surface);
  padding: 0 var(--space-2) var(--space-2);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}
.drawer-group-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.drawer-group-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2.75rem;
  padding: 0 var(--space-3);
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font-size: var(--meta-size);
  font-weight: var(--meta-strong-weight);
  transition: background 150ms ease, color 150ms ease;
}
.drawer-group-links a:hover,
.drawer-group-links a:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
  color: var(--md-sys-color-on-surface);
}
.drawer-group-links a[aria-current="page"] {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
}
.drawer-identity-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2);
}
.drawer-bottom {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--md-sys-color-outline-variant);
  flex-shrink: 0;
  margin-top: auto;
}
.drawer-bottom form {
  margin: 0;
  display: inline-flex;
}
.drawer-bottom .theme-toggle-btn,
.drawer-bottom .settings-toggle-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}
.drawer-bottom .banner-restore-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
}

.shell-main { padding: var(--space-5) var(--space-4); min-width: 0; }
.today-section { margin-top: var(--space-7); }
.today-day-heading { margin: var(--space-5) 0 var(--space-1); }
.today-full-link { margin-top: var(--space-4); }
.section-heading { display: flex; align-items: center; gap: var(--space-2); }
.muted { color: var(--md-sys-color-on-surface-variant); }
.public-header { padding: var(--space-4); margin-bottom: var(--space-5); border-bottom: 1px solid var(--md-sys-color-outline-variant); }
.public-header + .flashes { margin-inline: auto; max-width: 640px; }

/* Desktop Navigation Rail */
.nav-rail { display: none; }
.nav-rail-top { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); width: 100%; flex-shrink: 0; }
.nav-rail-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-1) 0;
  text-decoration: none;
  color: var(--md-sys-color-on-surface);
  text-align: center;
  gap: var(--space-1);
}
.nav-rail-brand .club-logo,
.nav-rail-logo {
  height: 32px;
  width: auto;
  border-radius: var(--md-sys-shape-corner-small);
  object-fit: contain;
  flex-shrink: 0;
}
.nav-rail-logo-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
  font-weight: var(--meta-strong-weight);
  font-size: 1.125rem;
  flex-shrink: 0;
}
.nav-rail-brand-name {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--md-sys-color-on-surface);
  word-break: break-word;
  max-width: 72px;
  text-align: center;
}
.nav-rail-items { display: flex; flex-direction: column; align-items: center; gap: var(--space-1); width: 100%; margin: 0; padding: 0; }
.nav-rail-group-wrap { display: flex; justify-content: center; width: 100%; }
.nav-rail-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 64px;
  min-height: 56px;
  padding: var(--space-1) 0;
  border: none;
  border-radius: var(--md-sys-shape-corner-small);
  background: none;
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  cursor: pointer;
  transition: color 150ms ease;
}
.nav-rail-indicator {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 32px;
  border-radius: var(--pill-radius, 9999px);
  color: var(--md-sys-color-on-surface-variant);
  transition: background-color 150ms ease, color 150ms ease;
}
.nav-rail-label {
  display: block;
  max-width: 64px;
  margin-top: 4px;
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--md-sys-color-on-surface-variant);
}
.nav-rail-item:hover .nav-rail-indicator,
.nav-rail-item:focus-visible .nav-rail-indicator {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
  color: var(--md-sys-color-on-surface);
}
.nav-rail-item[aria-current="page"] .nav-rail-indicator,
.nav-rail-item[aria-current="true"] .nav-rail-indicator {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
}
.nav-rail-item[aria-current="page"] .nav-rail-label,
.nav-rail-item[aria-current="true"] .nav-rail-label {
  font-weight: var(--meta-strong-weight);
  color: var(--md-sys-color-on-surface);
}
.nav-rail-badge {
  position: absolute;
  top: -2px;
  right: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--color-danger, #d32f2f);
  color: #fff;
  font-size: 10px;
  font-weight: bold;
  line-height: 16px;
}
.nav-rail-bottom { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); width: 100%; margin-top: auto; padding-bottom: var(--space-3); flex-shrink: 0; }

/* Desktop Hover Flyout Overlay Drawer */
.nav-rail-flyout {
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 80px;
  top: 0;
  bottom: 0;
  width: 280px;
  background: var(--md-sys-color-surface-container-low);
  border-right: 1px solid var(--md-sys-color-outline-variant);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.16);
  z-index: 100;
  padding: var(--space-5) var(--space-4);
  overflow-y: auto;
}
.nav-rail-flyout[hidden] {
  display: none !important;
}
.nav-rail-flyout-scrim {
  position: fixed;
  left: 80px;
  right: 0;
  top: 0;
  bottom: 0;
  background: color-mix(in srgb, black 32%, transparent);
  backdrop-filter: blur(2px);
  z-index: 99;
}
.nav-rail-flyout-scrim[hidden] {
  display: none !important;
}
.nav-flyout-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.nav-flyout-section[data-flyout-section="settings"] {
  margin-top: auto;
}
.nav-flyout-section[hidden] {
  display: none !important;
}
.nav-flyout-header {
  font-size: var(--md-sys-typescale-title-medium-size, 1.125rem);
  font-weight: var(--meta-strong-weight);
  color: var(--md-sys-color-on-surface);
  padding: 0 var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}
.nav-flyout-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.nav-flyout-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 2.5rem;
  padding: 0 var(--space-3);
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font-size: var(--meta-size);
  font-weight: var(--meta-strong-weight);
  transition: background 150ms ease, color 150ms ease;
}
.nav-flyout-links a:hover,
.nav-flyout-links a:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
  color: var(--md-sys-color-on-surface);
}
.nav-flyout-links a[aria-current="page"] {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-primary);
}
.nav-flyout-identity,
.nav-flyout-settings {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-2);
}

.nav-rail-bottom form {
  margin: 0;
  display: inline-flex;
}

/* Theme & Settings Toggle Buttons — M3 Toggle Icon Button (Selection style) */
.theme-toggle-btn,
.settings-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  border-radius: var(--md-sys-shape-corner-full);
  border: 1px solid var(--md-sys-color-outline);
  background: none;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  padding: 0;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
  position: relative;
  flex-shrink: 0;
}
.theme-toggle-btn:hover,
.theme-toggle-btn:focus-visible,
.settings-toggle-btn:hover,
.settings-toggle-btn:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 12%, transparent);
  color: var(--md-sys-color-on-surface);
}

.banner-restore-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
  border-radius: var(--md-sys-shape-corner-full);
  border: 1px solid var(--md-sys-color-outline);
  background: none;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  padding: 0;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
  position: relative;
  flex-shrink: 0;
}
.banner-restore-btn:hover,
.banner-restore-btn:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 12%, transparent);
  color: var(--md-sys-color-on-surface);
}
.theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.theme-icon-moon { display: inline-flex; }
.theme-icon-sun { display: none; }
:root[data-theme="dark"] .theme-icon-moon { display: none; }
:root[data-theme="dark"] .theme-icon-sun { display: inline-flex; }

/* Settings Bottom Sheet — M3 Modal Bottom Sheet on mobile, anchored floating overlay on desktop */
.settings-bottom-sheet {
  box-sizing: border-box;
  background: var(--md-sys-color-surface-container-low);
  color: var(--md-sys-color-on-surface);
  border: none;
  z-index: 200;
}
.settings-bottom-sheet::backdrop {
  background: color-mix(in srgb, black 40%, transparent);
  backdrop-filter: blur(2px);
}
.settings-bottom-sheet:not([open]) {
  display: none !important;
}

/* Mobile & Tablet (<1200px): Standard M3 Modal Bottom Sheet */
@media (max-width: 1199.98px) {
  .settings-bottom-sheet {
    position: fixed;
    inset: auto 0 0 0;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    border-radius: 28px 28px 0 0;
    padding: var(--space-3) var(--space-4) var(--space-5);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.24);
  }
  .bottom-sheet-handle {
    width: 32px;
    height: 4px;
    border-radius: 2px;
    background: var(--md-sys-color-outline-variant);
    margin: 0 auto var(--space-3);
  }
}

/* Desktop (≥1200px): Compact floating card anchored at bottom-left beside rail (Gemini style) */
@media (min-width: 1200px) {
  .settings-bottom-sheet {
    position: fixed;
    inset: auto auto 16px 88px;
    width: 280px;
    margin: 0;
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--md-sys-shape-corner-large);
    padding: var(--space-4);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.24);
  }
  .bottom-sheet-handle {
    display: none;
  }
}

.settings-sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}
.settings-sheet-title {
  font-size: var(--md-sys-typescale-title-medium-size, 1.125rem);
  font-weight: var(--meta-strong-weight);
  color: var(--md-sys-color-on-surface);
}
.settings-sheet-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--md-sys-shape-corner-full);
  border: none;
  background: none;
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  padding: 0;
}
.settings-sheet-close svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}
.settings-sheet-close:hover,
.settings-sheet-close:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 12%, transparent);
  color: var(--md-sys-color-on-surface);
}
.settings-sheet-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.shell-identity {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.shell-identity-name {
  font-size: var(--md-sys-typescale-body-large-size, 1rem);
  font-weight: var(--meta-strong-weight);
  color: var(--md-sys-color-on-surface);
}
.shell-identity-role {
  font-size: var(--meta-size);
  color: var(--md-sys-color-on-surface-variant);
}
.avatar-upload-btn {
  display: inline-flex;
  align-self: start;
  width: 64px;
  height: 64px;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: var(--md-sys-shape-corner-full);
  background: none;
  min-height: 0;
  cursor: pointer;
  position: relative;
}
.avatar-upload-btn:hover,
.avatar-upload-btn:focus-visible {
  background: none;
  box-shadow: none;
}
.avatar-upload-btn:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}
.avatar-upload-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--md-sys-shape-corner-full);
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 12%, transparent);
  opacity: 0;
  transition: opacity 150ms ease;
  pointer-events: none;
}
.avatar-upload-btn:hover::after,
.avatar-upload-btn:focus-visible::after {
  opacity: 1;
}
.settings-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--md-sys-color-outline-variant);
}
.settings-actions form {
  margin: 0;
  width: 100%;
}
.settings-action-btn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  padding: var(--space-2) var(--space-1);
  border-radius: var(--md-sys-shape-corner-small);
  text-decoration: none;
  color: var(--md-sys-color-on-surface);
  font: inherit;
  font-size: var(--md-sys-typescale-body-medium-size, 0.875rem);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}
.settings-action-btn:hover,
.settings-action-btn:focus-visible {
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}
.settings-action-btn.settings-logout {
  color: var(--color-danger, #d32f2f);
}

@media (max-width: 1199px) {
  .nav-rail, .nav-rail-flyout, .nav-rail-flyout-scrim {
    display: none !important;
  }
  .mobile-shell-header {
    display: flex;
  }
}

@media (min-width: 1200px) {
  .club-shell-page, .platform-shell-page {
    padding: 0;
    margin: 0;
    max-width: none;
    width: 100%;
  }
  .app-shell, .platform-shell {
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    min-height: 100vh;
    max-width: none;
    width: 100%;
    margin: 0;
    background: var(--md-sys-color-surface);
    border: none;
  }
  .nav-rail {
    display: flex;
    grid-column: 1;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-1);
    border-right: 1px solid var(--md-sys-color-outline-variant);
    background: var(--md-sys-color-surface-container-low);
    z-index: 101;
    position: sticky;
    top: 0;
    height: 100dvh;
    align-self: start;
    box-sizing: border-box;
    overflow-y: auto;
    overflow-x: hidden;
  }
  .mobile-shell-header, .navigation-drawer, .navigation-drawer[open] { display: none !important; }
  .shell-notices {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
  }
  .shell-main { grid-column: 2; grid-row: 2; padding: var(--space-7); background: var(--md-sys-color-surface); }
}