/* Theme tokens */
:root {
  --accent: #fb923c;
  --ink: #3f3d56;
  --panel: #ffffff;
  --muted: #6b7280;
  --shadow: 0 10px 30px rgba(0,0,0,0.18);
  --radius: 12px;
  /* Signature blue for dividers/brand accents */
  --brand-blue: #3f3d56;
}

/* Utility */
.hidden { display: none !important; }

/* HUD (subtle) */
.hud {
  position: fixed;
  top: 10px;
  right: 10px;
  background: rgba(255,255,255,0.8);
  color: var(--ink);
  border-radius: 10px;
  padding: 6px 10px;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  z-index: 1000;
  min-width: 110px;
}
/* Center text within HUD elements */
.hud, .hud * { text-align: center; }
.hud .timer { font-variant-numeric: tabular-nums; }

.hud-btn {
  position: fixed;
  top: 54px;
  right: 10px;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  z-index: 1000;
  width: auto !important; /* override global button width */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 110px;
  font-weight: 600;
}

/* Modal */
.modal.hidden { display: none; }
.modal {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.06);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
}
.modal-content {
  background: var(--panel);
  width: min(560px, 92vw);
  max-width: 560px;
  max-height: 80vh;
  overflow: hidden; /* default; override per-modal when needed */
  border-radius: var(--radius);
  padding: 14px 14px 10px;
  box-shadow: var(--shadow);
  color: var(--ink);
  transform: translateY(4px) scale(0.98);
  opacity: 0.98;
  transition: transform 160ms ease, opacity 160ms ease;
}
.modal:not(.hidden) .modal-content { transform: none; opacity: 1; }
.close-btn {
  float: right;
  background: transparent;
  border: none;
  color: #3f3d56;
  font-size: 20px;
  cursor: pointer;
}
.modal-header { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 4px; }
.modal-header .auth-inline { justify-self: end; }
.header-user { font-size: 12px; color: var(--muted); }
.auth-column { display: grid; gap: 6px; }
.auth-inline { display: flex; align-items: center; gap: 8px; }
.auth-inline input { width: 200px; max-width: 50vw; padding: 10px 12px; border: 1px solid #e5e7eb; border-radius: 10px; height: 40px; }
.auth-inline button { padding: 10px 12px; font-size: 12px; border-radius: 10px; border: none; background: var(--ink); color:#fff; cursor: pointer; width: 160px; height: 40px; }
.auth-inline .secondary { background: #e5e7eb; color: #111827; }
.auth-error { color: #dc2626; font-size: 12px; margin-top: -2px; }
.init-modal .auth-error { text-align: center; }
.auth-inline input.error { border-color: #dc2626; box-shadow: 0 0 0 2px rgba(220,38,38,0.1) inset; }
.like-text { background: transparent; color: var(--ink); text-align: left; padding: 0; width: fit-content; }
.auth-row { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 6px 0 8px; }
.auth-row .auth-inline input { width: 220px; max-width: 50vw; }
.auth-section, .mode-section, .leaderboard-section { margin: 8px 0 16px; }
.auth-actions { display: flex; gap: 8px; align-items: center; }
.auth-actions input {
  flex: 1; padding: 10px 12px; border: 1px solid #e5e7eb; border-radius: 10px;
}
.auth-actions button {
  padding: 10px 12px; border-radius: 10px; border: none; background: var(--ink); color:#fff; cursor: pointer;
}
.auth-actions button:hover { filter: brightness(0.9); transform: scale(1.03); }
.auth-actions .secondary { background: #e5e7eb; color: #111827; }
.user-info { font-weight: 500; margin-bottom: 6px; }
.hint { color: var(--muted); }
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; align-content: start; }
.mode-btn { background: var(--accent); color:#fff; border:none; border-radius: 10px; padding:10px 12px; cursor:pointer; font-weight: 600; }
.mode-btn.alt { background: #e5e7eb; color: #111827; }
.mode-btn:hover { filter: brightness(0.9); transform: scale(1.03); }
.mode-btn[disabled], .mode-btn.disabled { background: #e5e7eb; color: #9ca3af; cursor: not-allowed; filter: none; opacity: 0.9; }
.icon-pause { margin-left: 6px; font-size: 0.9em; vertical-align: middle; }
.size-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-content: start; }
.size-col .field { text-align: center; }
.size-col label { display:block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .02em; margin-bottom: 4px; }
.size-col input { width: 5ch; margin: 0 auto; padding: 6px 8px; border: 1px solid #e5e7eb; border-radius: 10px; text-align: center; }
.leaderboard-header { display:flex; align-items:center; justify-content:space-between; }
.leaderboard { margin: 10px 0 0; padding-left: 0; list-style: none; }
.leaderboard .lb-row { display: grid; grid-template-columns: 40px 1fr 80px 70px; gap: 8px; align-items: center; padding: 6px 8px; border-radius: 8px; }
.leaderboard .lb-row:nth-child(odd) { background: #f8fafc; }
.leaderboard .lb-rank { text-align: right; color: var(--muted); }
.leaderboard .lb-user { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.leaderboard .lb-time { font-variant-numeric: tabular-nums; text-align: right; }
.leaderboard .lb-moves { text-align: right; color: var(--muted); }
.lb-header { grid-template-columns: auto 1fr auto; }
.lb-controls { justify-self: end; }
.lb-controls select { padding: 6px 10px; border: 1px solid #e5e7eb; border-radius: 10px; background: #fff; color: var(--ink); }
.modal-footer { display:flex; gap:12px; align-items:center; justify-content:flex-start; }
.modal-footer .primary { background:var(--ink); color:#fff; border:none; border-radius:10px; padding:10px 14px; cursor:pointer; font-weight:600; }
.modal-footer .link { color:#3f3d56; }
/* Center footer links in main menu modal */
.menu-modal .modal-footer { justify-content: center; width: 100%; }
.menu-modal .modal-footer .link { text-align: center; }

/* Win modal CTAs */
.win-stats { margin: 8px 0 10px; color: var(--ink); font-weight: 600; text-align: center; font-size: 18px; }
.win-actions { display: flex; gap: 10px; flex-direction: column; align-items: center; }
.win-actions .primary { background: var(--accent); color:#fff; border:none; border-radius: 10px; padding:10px 14px; cursor:pointer; font-weight:600; width: 75%; height: 44px; font-size: 15px; }
.win-actions button { background:#e5e7eb; color:#111827; border:none; border-radius:10px; padding:10px 14px; cursor:pointer; width: 75%; height: 44px; font-size: 15px; }
.win-actions .secondary { background: #3f3d56; color:#fff; }
.win-actions button:hover { filter: brightness(0.9); transform: scale(1.03); }

/* Completion modal: narrower and centered */
#winModal .modal-content { width: min(368px, 92vw); max-width: 368px; padding-bottom: 20px; }
#winModal h2 { text-align: center; }
#winModal .hint { text-align: center; }
#winModal .like-text { display:block; text-align:center; margin: 4px auto 8px; }

/* Toast */
.toast.hidden { display:none; }
.toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color:#fff;
  padding: 10px 14px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
  z-index: 1100;
}

/* Confetti overlay */
.confetti.hidden { display:none; }
.confetti {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
}

/* Prevent hover effects on disabled buttons */
.mode-btn[disabled]:hover,
.mode-btn.disabled:hover,
.win-actions button:disabled:hover,
.auth-actions button:disabled:hover {
  filter: none;
  transform: none;
}

/* Username modal */
#usernameModal .modal-content { width: min(360px, 92vw); max-width: 360px; }
#usernameModal h2 { text-align: center; }
#usernameModal .hint { text-align: center; }

/* Focus states */
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(251,146,60,0.5); outline-offset: 2px; }

/* Responsive tweaks */
@media (max-width: 480px) {
  .modal-content { width: 92vw; max-width: 420px; padding: 12px; border-radius: 12px; }
  .modal-header { grid-template-columns: auto 1fr; grid-auto-rows: auto; }
  .modal-header .auth-inline { grid-column: 1 / -1; justify-self: end; margin-top: 6px; }
  .auth-inline { flex-wrap: wrap; }
  .auth-actions { flex-direction: column; align-items: stretch; }
  .auth-actions button { width: 100%; }
  .mode-grid { grid-template-columns: 1fr; }
  .modes { grid-template-columns: 1fr 1fr; gap: 6px; }
  .mode-btn { padding: 8px 10px; }
  .leaderboard { padding-left: 18px; }
}

/* Init modal specifics */
.init-modal { width: min(280px, 90vw); max-width: 280px; min-height: 480px; display: flex; flex-direction: column; position: relative; }
.init-modal .modal-header { grid-template-columns: 1fr; align-items: start; gap: 10px; }
.init-modal h2 { text-align: center; margin: 0; }
.init-modal h2::after {
  content: '';
  display: block;
  height: 3px; /* slightly thick */
  width: 90%;
  background: var(--brand-blue);
  border-radius: 2px;
  margin: 8px auto 2px;
}
.init-modal .auth-inline { display: grid; grid-template-columns: 1fr; gap: 8px; justify-items: center; }
.init-modal .auth-inline input { width: 90%; margin: 0 auto; }
.init-modal .auth-inline button { width: 90%; margin: 0 auto; }
.init-modal .like-text { display: block; text-align: center; margin: 0 auto; }
.init-modes { display: grid; grid-template-columns: 1fr; gap: 8px; width: 90%; margin: 10px auto 0; }
.init-modes .mode-btn { width: 100%; height: 40px; font-size: 14px; }
/* Make the init Sign In button dark blue */
.init-modes #initSigninBtn { background: var(--ink); color: #fff; }
.init-footer { margin-top: auto; text-align: center; color: var(--muted); font-size: 12px; padding: 8px 0 4px; }
.init-logo { display: block; margin: 12px auto 0; max-width: 48%; height: auto; opacity: 0.95; }

/* Custom modal */
.custom-modal { width: min(320px, 92vw); max-width: 320px; min-height: 360px; display: flex; flex-direction: column; }
.custom-modal h2 { text-align: center; margin: 0; }
.custom-modal .size-col { margin-top: 8px; }
.custom-actions { display:flex; justify-content:center; margin: 12px 0 8px; }
.custom-actions .mode-btn { width: 90%; height: 40px; font-size: 14px; background: var(--accent); color:#fff; border:none; border-radius:10px; }

/* Main menu modal – stacked, narrow, tall */
.menu-modal { width: min(320px, 92vw); max-width: 320px; min-height: 560px; display: flex; flex-direction: column; overflow: auto; }
.menu-modal .modal-header { grid-template-columns: 1fr; align-items: start; gap: 10px; }
.menu-modal .menu-header-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; column-gap: 6px; }
.menu-modal h2 { text-align: center; margin: 0; justify-self: center; }
.menu-modal .menu-logo { height: 32px; width: auto; vertical-align: middle; opacity: 0.95; }
.menu-modal .menu-header-spacer { display: block; width: 32px; height: 1px; }
.menu-modal h2::after {
  content: '';
  display: block;
  height: 3px;
  width: 90%;
  background: var(--brand-blue);
  border-radius: 2px;
  margin: 8px auto 2px;
}
.menu-modal .auth-inline { display: grid; grid-template-columns: 1fr; gap: 8px; justify-items: center; }
.menu-modal .auth-inline input { width: 90%; height: 40px; padding: 10px 12px; border: 1px solid #e5e7eb; border-radius: 10px; margin: 0 auto; }
.menu-modal .auth-inline button { width: 90%; height: 40px; font-size: 14px; }
.menu-modal .mode-section { margin-top: 8px; }
.menu-modal .mode-grid { grid-template-columns: 1fr; }
.menu-modal .modes { grid-template-columns: 1fr; gap: 8px; width: 90%; margin: 0 auto; }
.menu-modal .modes .mode-btn { height: 40px; font-size: 14px; }
.menu-modal #openSigninModalBtn { background: var(--ink); color: #fff; }
.menu-modal .modes #signinCtaBtn { background: var(--ink); color: #fff; }
.menu-modal .size-col { width: 90%; margin: 8px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.menu-modal .size-col input { width: 5ch; margin: 0 auto; padding: 6px 8px; border: 1px solid #e5e7eb; border-radius: 10px; text-align: center; }
/* Username row styles */
.menu-modal .menu-username { text-align: center; font-weight: 600; margin-top: 2px; }
.menu-modal .menu-username.hint { font-weight: 400; font-size: 12px; color: var(--muted); margin-top: -2px; }

/* Account modal scroll */
.account-modal { width: min(520px, 92vw); max-width: 520px; max-height: 80vh; overflow: auto; }
.account-modal .account-section { padding: 8px 12px; }
.account-modal .kv { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 2px 0; }
.streak-chart { display: grid; grid-template-columns: repeat(15, 1fr); gap: 4px; padding: 6px 0; }
.streak-dot { width: 10px; height: 10px; background: #e5e7eb; border-radius: 2px; }
.streak-dot.hit { background: var(--accent); }

/* Sign In modal – vertically centered, stacked form, tall */
.signin-modal { width: min(320px, 92vw); max-width: 320px; min-height: 300px; display: flex; flex-direction: column; justify-content: center; }
.signin-modal .modal-header { grid-template-columns: 1fr; align-items: center; gap: 8px; }
.signin-modal h2 { text-align: center; margin: 0; justify-self: center; }
.signin-modal h2::after { content: ''; display: block; height: 3px; width: 90%; background: var(--brand-blue); border-radius: 2px; margin: 8px auto 2px; }
.signin-modal .auth-inline { display: grid; grid-template-columns: 1fr; gap: 8px; justify-items: center; margin-top: 10px; }
.signin-modal .auth-inline input { width: 75%; height: 40px; padding: 10px 12px; border: 1px solid #e5e7eb; border-radius: 10px; margin: 0 auto; }
.signin-modal .auth-inline button { width: 90%; height: 40px; font-size: 14px; border-radius: 10px; }
.signin-modal .auth-error { text-align: center; margin-top: 6px; }
.signin-modal .back-btn { display: block; margin: 6px auto 0; color: var(--muted); }