@layer app {
/* ============================================================
   Session screen
   ============================================================ */
.session-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: safe center;
  min-height: 100dvh;
  padding: 24px;
  padding-top: max(24px, env(safe-area-inset-top, 0px));
  gap: 16px;
  overflow-x: hidden;
  -webkit-user-select: auto;
  user-select: auto;
  overflow-y: auto;
  background: var(--page-bg);
  color: var(--page-text);
  position: relative;
}

/* Vignette overlay */
.session-screen::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, var(--page-bg) 100%);
  z-index: 1;
  pointer-events: none;
}

/* Session content above background + vignette */
.session-screen > :not(.sf-background) {
  position: relative;
  z-index: 2;
}

/* Animated background grid container */
.sf-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  user-select: none;
  pointer-events: none;
}

.sf-grid {
  opacity: 0.35;
}

.lobby .sf-grid {
  opacity: 0.15;
}

.session-screen .logo-tile {
  background: var(--cell-bg);
  border-color: var(--cell-brd);
  color: var(--flap-text);
  box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.session-screen .logo-tile::after {
  background: var(--cell-split);
  z-index: 3;
}

.session-screen .logo-tile.accent {
  color: var(--orange);
}

.session-screen .name-input {
  background: var(--cell-bg);
  border-color: var(--cell-brd);
  color: var(--page-text);
}

.session-screen .name-input::placeholder {
  color: var(--page-sub);
}

.session-logo-link {
  text-decoration: none;
}

.session-screen .tagline {
  color: var(--page-sub);
}

.session-screen .btn-primary {
  box-shadow: 0 0 12px rgba(232,96,30,0.3);
}

.session-screen .session-divider {
  color: var(--page-sub);
}

.session-screen .session-divider::before,
.session-screen .session-divider::after {
  background: var(--cell-brd);
}

/* Split-flap logo tile internals (applies anywhere the split-flap controller mounts) */
.logo-tile .sf-char {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-flap);
  font-size: inherit;
  line-height: 1;
  user-select: none;
}

.logo-tile .sf-char-top { clip-path: inset(0 0 50% 0); }
.logo-tile .sf-char-bottom { clip-path: inset(50% 0 0 0); }

.logo-tile .sf-flap {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  backface-visibility: hidden;
  background: var(--cell-bg);
  z-index: 2;
  box-shadow: none;
}

.logo-tile .sf-flap-top {
  top: 0;
  transform-origin: center bottom;
  border-radius: 4px 4px 0 0;
  overflow: visible;
}

.logo-tile .sf-flap-bottom {
  top: 50%;
  transform-origin: center top;
  border-radius: 0 0 4px 4px;
  overflow: hidden;
}

.logo-tile .sf-flap-char {
  position: absolute;
  left: 0;
  width: 100%;
  height: 200%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-flap);
  font-size: inherit;
  line-height: 1;
  user-select: none;
  background: var(--cell-bg);
}

.logo-tile .sf-flap-top .sf-flap-char { top: 0; }
.logo-tile .sf-flap-bottom .sf-flap-char { bottom: 0; }

.logo-tile .sf-shadow {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  background: black;
  pointer-events: none;
  opacity: 0;
}

.logo-tile .sf-shadow-lower { top: 50%; }
.logo-tile .sf-shadow-upper { top: 0; }

.logo-tiles {
  display: inline-flex;
  gap: 2px;
  align-items: center;
}

.logo-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 38px;
  background: var(--cell-bg);
  border: 1px solid var(--cell-brd);
  border-radius: 3px;
  font-family: var(--font-flap);
  font-size: 22px;
  font-weight: 400;
  color: var(--flap-text);
  text-transform: uppercase;
  position: relative;
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

.logo-tile::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--cell-split);
  pointer-events: none;
}

.logo-tile.accent {
  color: var(--orange);
}

.logo-tiles-lg .logo-tile {
  width: 42px;
  height: 50px;
  font-size: 28px;
  border-radius: 4px;
}

.logo-tiles-lg {
  gap: 3px;
}

.tagline {
  color: var(--page-sub);
  font-size: 15px;
  letter-spacing: 1px;
}

/* Clerk component overrides — CSS is more reliable than JS appearance elements */

.session-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 320px;
  margin-top: 24px;
}

.name-input {
  background: var(--cell-bg);
  border: 1px solid var(--cell-brd);
  border-radius: var(--radius);
  color: var(--page-text);
  font-family: var(--font-flap);
  font-size: 20px;
  padding: 12px 16px;
  text-align: center;
  letter-spacing: 2px;
}

.name-input::placeholder { color: var(--page-sub); }

.session-divider {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 320px;
  gap: 12px;
  color: var(--page-sub);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.session-divider::before,
.session-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--cell-brd);
}

/* Clerk component overrides */
.cl-logoBox { display: none !important; }
#clerk-sign-in, #clerk-sign-up, #clerk-waitlist { min-height: 406px; }

}