/* SmokeOff App – design system (lightweight, no framework)
   Design tokens + dark mode. Legacy --app-* mapped for backward compat.
*/
:root {
  /* Design tokens (light mode) */
  --color-bg: #F8F9FA;
  --color-surface: #FFFFFF;
  --color-surface-2: #F1F3F5;
  --color-border: #E9ECEF;
  --color-text-primary: #1A1A2E;
  --color-text-secondary: #6C757D;
  --color-text-muted: #ADB5BD;
  --color-accent: #2D6A4F;
  --color-accent-light: #D8F3DC;
  --color-accent-hover: #1B4332;
  --color-warning: #F4A261;
  --color-danger: #E63946;
  --color-success: #52B788;

  /* Semantic text alias (templates use --color-text; must track --color-text-primary) */
  --color-text: var(--color-text-primary);
  /* Form fields — always readable in light & dark */
  --color-input-bg: var(--color-surface);
  --color-input-text: var(--color-text-primary);
  --color-input-border: var(--color-border);
  --color-input-placeholder: var(--color-text-secondary);
  --color-bg-hover: rgba(0, 0, 0, 0.06);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

  --transition: 0.2s ease;

  /* Legacy (map to tokens for compat) */
  --app-bg: var(--color-bg);
  --app-card: var(--color-surface);
  --app-border: var(--color-border);
  --app-text: var(--color-text-primary);
  --app-muted: var(--color-text-secondary);
  --app-primary: #0d6efd;
  --app-primary-hover: #0a58ca;
  --app-accent: #6366f1;
  --app-cta: var(--color-danger);
  --app-cta-hover: #bb2d3b;
  --app-danger: var(--color-danger);
  --app-danger-hover: #bb2d3b;
  --app-success: var(--color-success);
  --app-pro: var(--color-text-primary);
  --app-pro-hover: #16213e;
  --app-radius: var(--radius-md);
  --app-radius-sm: var(--radius-sm);
  --app-shadow: var(--shadow-sm);
  --app-transition: var(--transition);
}

[data-theme="dark"] {
  --color-bg: #0D1117;
  --color-surface: #161B22;
  --color-surface-2: #21262D;
  --color-border: #30363D;
  --color-text-primary: #E6EDF3;
  --color-text-secondary: #8B949E;
  --color-text-muted: #484F58;
  --color-accent: #52B788;
  --color-accent-light: #1B4332;
  --color-accent-hover: #74C69D;
  --color-warning: #F4A261;
  --color-danger: #FF6B6B;
  --color-success: #52B788;
  --color-text: var(--color-text-primary);
  --color-input-bg: var(--color-surface-2);
  --color-input-text: var(--color-text-primary);
  --color-input-border: var(--color-border);
  --color-input-placeholder: var(--color-text-muted);
  --color-bg-hover: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  --app-bg: var(--color-bg);
  --app-card: var(--color-surface);
  --app-border: var(--color-border);
  --app-text: var(--color-text-primary);
  --app-muted: var(--color-text-secondary);
}

* { box-sizing: border-box; }
body {
  font-family: var(--font-sans);
  margin: 0;
  padding: var(--space-4);
  background: var(--app-bg);
  color: var(--app-text);
  line-height: 1.5;
}

/* Default form control colors (theme-aware); inline styles on specific pages still override when needed */
input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="hidden"]):not([type="range"]):not([type="color"]):not([type="submit"]):not([type="button"]):not([type="reset"]),
textarea,
select {
  color: var(--color-input-text);
  background-color: var(--color-input-bg);
}
textarea::placeholder,
input::placeholder {
  color: var(--color-input-placeholder);
}

.so-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--color-input-border, var(--color-border));
  border-radius: 8px;
  background: var(--color-input-bg, var(--color-surface));
  color: var(--color-input-text, var(--color-text));
  font-size: 15px;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.so-input:focus {
  border-color: var(--color-accent);
  outline: none;
}
.so-input::placeholder {
  color: var(--color-input-placeholder, var(--color-text-secondary));
}
select.so-input { appearance: auto; }
textarea.so-input { resize: vertical; }

.app-wrap { max-width: 560px; margin: 0 auto; }
.container { max-width: 560px; margin: 0 auto; }

/* Header */
.app-header {
  background: linear-gradient(135deg, var(--app-primary) 0%, var(--app-primary-hover) 100%);
  color: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  margin: calc(-1 * var(--space-4)) calc(-1 * var(--space-4)) var(--space-4) calc(-1 * var(--space-4));
}
.app-header .container { display: flex; align-items: center; gap: var(--space-2); }
.app-header .logo { display: flex; align-items: center; gap: var(--space-2); text-decoration: none; color: inherit; font-weight: 700; font-size: var(--font-size-lg); }
.app-header .logo img { width: 28px; height: 28px; vertical-align: middle; }

/* Typography hierarchy */
h1 { font-size: var(--font-size-xl); margin: 0 0 var(--space-4); font-weight: 600; letter-spacing: -0.02em; line-height: 1.3; }
h2 { font-size: var(--font-size-lg); margin: 0 0 var(--space-2); font-weight: 600; letter-spacing: -0.01em; }
.app-card h2 { margin-top: 0; }

/* Cards – consistent spacing */
.card, .app-card {
  background: var(--app-card);
  border-radius: var(--app-radius);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  box-shadow: var(--app-shadow);
  transition: box-shadow var(--app-transition);
}
.card:hover, .app-card:hover { box-shadow: var(--shadow-md); }
.card + .card { margin-top: 0; }

/* KPI tiles */
.kpi { font-size: 1.75rem; font-weight: 600; color: var(--color-accent); }
.kpi-label { font-size: var(--font-size-sm); color: var(--app-muted); margin-top: var(--space-1); }
.kpi-row { display: flex; align-items: flex-start; gap: var(--space-3); }
.kpi-row .icon-wrap { flex-shrink: 0; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--app-radius-sm); background: var(--color-accent-light); color: var(--color-accent); }
.kpi-row .icon-wrap svg { width: 24px; height: 24px; }

/* Emotional streak card */
.streak-card { position: relative; overflow: hidden; }
.streak-card .streak-day { font-size: var(--font-size-2xl); font-weight: 700; color: var(--color-accent); line-height: 1.2; }
.streak-card .streak-label { font-size: var(--font-size-xs); color: var(--app-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: var(--space-1); }
.streak-card .streak-milestone { font-size: var(--font-size-sm); color: var(--app-muted); margin-top: var(--space-2); }
.streak-card .progress-wrap { height: 10px; background: var(--app-border); border-radius: var(--radius-full); overflow: hidden; margin-top: var(--space-3); }
.streak-card .progress-bar { height: 100%; background: linear-gradient(90deg, var(--color-accent), var(--app-accent)); border-radius: var(--radius-full); transition: width 0.5s ease; }
.streak-card .progress-ring-wrap { width: 72px; height: 72px; margin: var(--space-2) 0; }
.streak-card .progress-ring-wrap svg { transform: rotate(-90deg); }
.streak-card .progress-ring-bg { stroke: var(--app-border); fill: none; }
.streak-card .progress-ring-fill { stroke: var(--color-accent); fill: none; stroke-linecap: round; transition: stroke-dashoffset 0.5s ease; }

/* Buttons & CTAs */
.cta {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-2);
  background: var(--app-cta);
  color: var(--color-surface);
  border: none;
  border-radius: var(--app-radius-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background var(--app-transition), filter var(--app-transition);
}
.cta:hover { background: var(--app-cta-hover); color: var(--color-surface); filter: brightness(1.02); }
.cta:focus-visible { outline: 2px solid var(--app-primary); outline-offset: 2px; }
.cta.secondary { background: var(--app-primary); }
.cta.secondary:hover { background: var(--app-primary-hover); color: var(--color-surface); }
.cta.pro { background: var(--app-pro); }
.cta.pro:hover { background: var(--app-pro-hover); color: var(--color-surface); }
.cta:disabled { opacity: 0.7; cursor: not-allowed; }
.btn-row { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-2); }
.btn-row .cta { width: auto; margin-top: 0; }

button:focus-visible, a.cta:focus-visible { outline: 2px solid var(--app-primary); outline-offset: 2px; }
.btn-reset-demo {
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-2);
  background: var(--app-muted);
  color: var(--color-surface);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: opacity var(--app-transition);
}
.btn-reset-demo:hover { opacity: 0.9; }

/* Notification flyout panel */
.app-notif-panel {
  position: fixed;
  top: 56px;
  right: 16px;
  width: 320px;
  max-height: min(400px, calc(100vh - 72px));
  display: none;
  flex-direction: column;
  background: var(--color-surface, #1a1a2e);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  z-index: 9999;
  padding: 12px;
  overflow: hidden;
}
[data-theme="dark"] .app-notif-panel {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}
.app-notif-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-shrink: 0;
}
.app-notif-panel-title {
  font-weight: 700;
  color: var(--color-text-primary);
  font-size: 0.95rem;
}
.app-notif-panel-action {
  background: none;
  border: none;
  color: var(--color-accent, #4ade80);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px 0;
  white-space: nowrap;
}
.app-notif-panel-list {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}
.app-notif-panel-footer {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}
.app-notif-panel-delete-all {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 8px 4px;
  text-align: center;
  border-radius: 8px;
}
.app-notif-panel-delete-all:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

/* Notification drawer rows */
.notif-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 8px 10px 10px;
  border-radius: 8px;
  margin-bottom: 4px;
  position: relative;
  transition: background 0.15s ease;
}
.notif-row.unread {
  background: rgba(74, 222, 128, 0.08);
}
.notif-row-body {
  flex: 1;
  min-width: 0;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.notif-row-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  flex-shrink: 0;
  margin-top: 6px;
}
.notif-dismiss {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text-secondary);
  opacity: 0;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
  align-self: flex-start;
}
.notif-row:hover .notif-dismiss {
  opacity: 0.55;
}
.notif-dismiss:hover {
  opacity: 1 !important;
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}
.notif-dismiss:focus-visible {
  opacity: 1;
  outline: 2px solid var(--color-accent);
}

/* Chat: scroll-to-bottom + highlight */
.chat-messages-viewport {
  position: relative;
}
.chat-scroll-bottom-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  left: auto;
  transform: none;
  z-index: 10;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--color-accent, #4ade80);
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  color: #111;
  font-size: 1.1rem;
  line-height: 1;
}
.chat-scroll-bottom-btn.visible {
  display: flex;
}
.chat-scroll-bottom-btn:hover {
  filter: brightness(1.05);
}
.chat-new-msgs-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: none;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
.msg-wrap.chat-msg-highlight {
  border-radius: 8px;
  animation: chatMsgHighlightFade 2s ease forwards;
}
@keyframes chatMsgHighlightFade {
  0% { background-color: rgba(250, 204, 21, 0.5); }
  100% { background-color: transparent; }
}
.notif-row.notif-row-removing {
  opacity: 0;
  transition: opacity 0.25s ease;
}
.plan-badge {
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  margin-left: auto;
}
.plan-badge.free { background: var(--color-surface-2); color: var(--color-text-secondary); }
.plan-badge.trial { background: #FFF3CD; color: #856404; }
.plan-badge.premium { background: linear-gradient(135deg, #cce5ff 0%, #b8daff 100%); color: #004085; border: 1px solid rgba(0,64,133,0.2); }
.plan-badge.pro { background: var(--app-pro); color: var(--color-surface); box-shadow: var(--shadow-sm); }
.commitment-shield { font-size: var(--font-size-sm); line-height: 1; opacity: 0.9; }

/* Premium soft-lock */
.card-premium-lock .premium-kpi-preview { position: relative; min-height: 2.5rem; }
.card-premium-lock .premium-kpi-content { transition: filter 0.2s ease; }
.card-premium-lock .premium-kpi-preview.locked .premium-kpi-content { filter: blur(5px); pointer-events: none; user-select: none; }
.card-premium-lock .premium-unlock-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.88);
  border-radius: var(--app-radius-sm);
}
[data-theme="dark"] .card-premium-lock .premium-unlock-overlay { background: rgba(22,27,34,0.88); }
.card-premium-lock .premium-unlock-text { font-weight: 600; color: var(--app-text); font-size: 0.95rem; }
.card-premium-lock .cta-sm { padding: 0.4rem 0.8rem; font-size: var(--font-size-sm); width: auto; margin-top: 0; }

.card-nudge-premium { border-left: 4px solid var(--app-primary); }
.card-nudge-premium .premium-nudge-copy { font-size: var(--font-size-base); font-weight: 600; margin: 0 0 var(--space-1); color: var(--app-text); }
.card-nudge-premium .premium-nudge-sub { font-size: var(--font-size-sm); color: var(--app-muted); margin: 0; }

/* ============================================
   LOGIN / REGISTER PAGES (auth-page)
   ============================================ */
.auth-page {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 16px;
  box-sizing: border-box;
}
.auth-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 40px 32px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  border: 1px solid var(--color-border);
}
.auth-brand { text-align: center; margin-bottom: 32px; }
.auth-brand img { width: 48px; height: 48px; display: block; margin: 0 auto; }
.auth-brand h1 { font-size: 1.8rem; color: var(--color-text-primary); margin: 8px 0 0; font-weight: 700; }
.auth-title { font-size: 1.4rem; font-weight: 700; color: var(--color-text-primary); margin-bottom: 24px; }
.auth-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-input-border);
  border-radius: 8px;
  background: var(--color-input-bg);
  color: var(--color-input-text);
  font-size: 15px;
  margin-bottom: 12px;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.auth-input:focus { border-color: var(--color-accent); outline: none; }
.auth-input::placeholder { color: var(--color-input-placeholder); }
.auth-btn-primary {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  background: var(--color-accent);
  color: #000;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-bottom: 8px;
}
.auth-btn-primary:hover { opacity: 0.9; }
.auth-divider { text-align: center; color: var(--color-text-secondary); margin: 20px 0; font-size: 14px; }
.auth-oauth-buttons { margin: 0 0 8px; }
.auth-links { text-align: center; margin-top: 24px; font-size: 14px; }
.auth-links a { color: var(--color-accent); text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }
.auth-links .auth-link-block { margin-top: 8px; }
.auth-check { margin-bottom: 12px; }
.auth-check label { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text-primary); cursor: pointer; }
.auth-check input[type="checkbox"] { width: auto; margin: 0; }
.btn-oauth svg { flex-shrink: 0; }

/* ============================================
   OAUTH BUTTONS — BRAND COLORS
   ============================================ */
.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  height: 48px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s;
  text-decoration: none;
  margin-bottom: 8px;
  box-sizing: border-box;
}
.btn-oauth:hover { opacity: 0.85; }
.btn-oauth-google { background: #ffffff !important; border: 1.5px solid #dadce0 !important; color: #3c4043 !important; }
.btn-oauth-apple { background: #000000 !important; color: #ffffff !important; }
.btn-oauth-facebook { background: #1877F2 !important; color: #ffffff !important; }
.btn-oauth-instagram {
  background: linear-gradient(45deg, #405DE6, #5851DB, #833AB4, #C13584, #E1306C, #FD1D1D) !important;
  color: #ffffff !important;
}
.btn-oauth-tiktok { background: #010101 !important; color: #ffffff !important; }

/* Milestones */
.milestones { list-style: none; padding: 0; margin: 0; }
.milestones li { padding: var(--space-2) 0; border-bottom: 1px solid var(--app-border); transition: background var(--app-transition); }
.milestones li.new-unlock { animation: pulseBg 1.2s ease; }

/* WHO milestones card */
.who-item { padding: 8px 0; border-bottom: 1px solid var(--color-border, #333); }
.who-item:last-child { border-bottom: none; }
.who-reached { display: flex; align-items: center; gap: 8px; }
.who-check { color: var(--color-accent, #4ade80); font-weight: bold; }
.who-next { padding: 12px 0; }
.who-dimmed { padding: 8px 0; }
.who-next-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: nowrap; }
.who-label { font-size: var(--font-size-sm); color: var(--color-text-primary); font-weight: 500; flex: 1; min-width: 0; }
.who-days-remaining { font-size: var(--font-size-xs); white-space: nowrap; flex-shrink: 0; margin-left: var(--space-3); }
.who-desc { font-size: 0.9rem; color: var(--color-text-secondary); margin: var(--space-2) 0; line-height: 1.5; }
.who-bar-wrap { width: 100%; height: 8px; background: var(--color-border); border-radius: 4px; overflow: hidden; margin: var(--space-2) 0; }
.who-bar-fill { height: 100%; background: var(--color-accent); border-radius: 4px; transition: width 0.3s; min-width: 2px; }
.who-bar-label { font-size: 0.85rem; color: var(--color-text-secondary); margin-top: var(--space-1); }
@keyframes pulseBg { 0% { background: var(--color-accent-light); } 100% { background: transparent; } }

/* Toasts */
#toast-stack {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 90%;
}
.toast-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6rem var(--space-4);
  border-radius: var(--app-radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-surface);
  box-shadow: var(--shadow-md);
  animation: toastIn 0.25s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}
.toast-item.success { background: var(--app-success); }
.toast-item.error { background: var(--app-danger); }
.toast-item.info { background: var(--app-primary); }
.toast-item.warning { background: var(--color-warning); }
.toast-item .toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
  opacity: 0.8;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0 var(--space-1);
}
.toast-item .toast-close:hover { opacity: 1; }

/* Modals */
#upgradeModal, #cravingModal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
#upgradeModal.show, #cravingModal.show { display: flex; }

/* Onboarding modal: fullscreen overlay, centered */
#onboardingModal.modal-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0,0,0,0.75) !important;
  z-index: 9999 !important;
  display: none;
  align-items: center;
  justify-content: center;
}
#onboardingModal.modal-overlay.show,
#onboardingModal.modal-overlay[style*="display: flex"] { display: flex !important; }
#onboardingModal .modal-inner {
  background: var(--color-surface, var(--app-card));
  border-radius: var(--radius-lg, var(--app-radius));
  padding: var(--space-8);
  max-width: 480px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
#upgradeModal .modal-inner, #cravingModal .modal-inner {
  background: var(--app-card);
  border-radius: var(--app-radius);
  padding: var(--space-6);
  max-width: 360px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}
#cravingModal .modal-inner { max-width: 380px; }
#upgradeModal h3, #cravingModal h3 { margin-top: 0; }
#upgradeModal .modal-actions, #cravingModal .modal-actions { margin-top: var(--space-4); display: flex; gap: var(--space-2); }
.craving-step { display: none; }
.craving-step.active { display: block; }
.breath-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent-light);
  margin: var(--space-4) auto;
  animation: breath 2s ease-in-out infinite;
}
@keyframes breath {
 0%, 100% { transform: scale(0.9); opacity: 0.9; }
 50% { transform: scale(1.15); opacity: 1; }
}
.progress-wrap { height: 8px; background: var(--color-surface-2); border-radius: var(--radius-sm); overflow: hidden; margin: var(--space-4) 0; }
.progress-bar { height: 100%; background: var(--color-accent); border-radius: var(--radius-sm); transition: width 0.5s linear; }
.outcome-btn {
  display: block;
  width: 100%;
  padding: 0.6rem var(--space-4);
  margin: 0.4rem 0;
  border-radius: var(--app-radius-sm);
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  text-align: center;
  transition: opacity var(--app-transition);
}
.outcome-btn.resisted { background: var(--app-success); color: var(--color-surface); }
.outcome-btn.smoked { background: var(--app-muted); color: var(--color-surface); }
.outcome-btn.help { background: var(--app-primary); color: var(--color-surface); }

/* Loading */
.loading { opacity: 0.6; pointer-events: none; }
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
}
[data-theme="dark"] .loading-overlay { background: rgba(13,17,23,0.7); }
.loading-overlay .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--app-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Settings */
#sessionHint { font-size: var(--font-size-sm); color: var(--app-muted); margin-bottom: var(--space-2); }
.settings-row { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-2); }
.settings-row input[type="checkbox"] { width: auto; }
.settings-panel label { display: block; margin-top: var(--space-2); }
.settings-panel input:not([type="checkbox"]):not([type="radio"]):not([type="file"]):not([type="hidden"]) {
  width: 100%;
  padding: 0.4rem;
  margin-top: var(--space-1);
  box-sizing: border-box;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  background: var(--color-input-bg);
  color: var(--color-input-text);
}
.settings-panel input::placeholder { color: var(--color-input-placeholder); }
.settings-panel button { margin-top: var(--space-3); padding: var(--space-2) var(--space-4); cursor: pointer; }

/* Share section */
.share-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2); }
.share-link-url { font-size: var(--font-size-sm); color: var(--app-muted); word-break: break-all; margin-top: 0.35rem; }

/* Chat FOMO */
.chat-online-badge { font-size: var(--font-size-sm); color: var(--app-primary); margin: 0 0 var(--space-2); font-weight: 500; }
.chat-online-teaser { font-size: var(--font-size-xs); color: var(--app-muted); margin: 0 0 var(--space-2); }
.chat-online-list { font-size: var(--font-size-sm); margin: 0 0 var(--space-2); padding-left: 1.2rem; }
.chat-online-list li { margin: 0.2rem 0; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---- New utility classes (redesign) ---- */
.card { background: var(--color-surface); border-radius: var(--radius-md); padding: var(--space-6); box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }
.card-title { font-size: var(--font-size-base); font-weight: 600; color: var(--color-text-primary); margin: 0 0 var(--space-2); }
.card-sm { padding: var(--space-4); border-radius: var(--radius-sm); }

.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.kpi-card { background: var(--color-surface); border-radius: var(--radius-md); padding: var(--space-4); text-align: center; border: 1px solid var(--color-border); }
.kpi-value { font-size: var(--font-size-2xl); font-weight: 700; color: var(--color-accent); }

.avatar { width: 32px; height: 32px; border-radius: var(--radius-full); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: var(--font-size-sm); color: white; flex-shrink: 0; }

.badge-plan { font-size: var(--font-size-xs); padding: 2px 8px; border-radius: var(--radius-full); background: var(--color-accent-light); color: var(--color-accent); font-weight: 600; }
.badge-plan.free { background: var(--color-surface-2, #2d3748); color: var(--color-text-muted, #a0aec0); }
.badge-plan.premium { background: #FFF3CD; color: #856404; }
.badge-plan.pro { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #92400e; border: 1px solid #f59e0b; }

.theme-toggle { background: none; border: none; cursor: pointer; padding: var(--space-2); border-radius: var(--radius-sm); color: var(--color-text-secondary); font-size: 1.2rem; transition: color var(--transition); }
.theme-toggle:hover { color: var(--color-text-primary); }

.settings-section { margin-bottom: var(--space-8); }
.settings-section h2 { font-size: var(--font-size-base); font-weight: 600; color: var(--color-text-primary); margin-bottom: var(--space-4); padding-bottom: var(--space-2); border-bottom: 1px solid var(--color-border); }
.field-group { margin-bottom: var(--space-4); }
.field-label { font-size: var(--font-size-sm); color: var(--color-text-secondary); margin-bottom: var(--space-1); display: block; }
.field-value { font-size: var(--font-size-base); color: var(--color-text-primary); }
.field-readonly { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3); color: var(--color-text-secondary); width: 100%; }

.msg-header { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; flex-wrap: wrap; }
.msg-username { font-weight: 600; }
.msg-time { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.msg-bubble { padding: 0.5rem 0.75rem; max-width: 85%; }
.msg-user { background: var(--color-accent); color: white; border-radius: var(--radius-md) var(--radius-md) var(--radius-sm) var(--radius-md); margin-left: auto; }
.msg-bot { background: var(--color-surface-2); color: var(--color-text-primary); border-radius: var(--radius-md) var(--radius-md) var(--radius-md) var(--radius-sm); margin-right: auto; }
.msg-system { background: transparent; color: var(--color-text-muted); text-align: center; font-size: var(--font-size-sm); font-style: italic; }

.streak-bar-wrap { background: var(--color-surface-2); border-radius: var(--radius-full); height: 8px; overflow: hidden; }
.streak-bar-fill { height: 100%; background: var(--color-accent); border-radius: var(--radius-full); transition: width 0.6s ease; }
.streak-bar-fill.milestone-reached {
  background: linear-gradient(90deg, var(--color-accent), #74C69D);
  box-shadow: 0 0 8px var(--color-accent);
  animation: streakPulse 1.5s ease-in-out infinite;
}
.streak-bar-fill.all-done {
  background: linear-gradient(90deg, #F4A261, #FFD700);
  box-shadow: 0 0 12px #F4A261;
}
@keyframes streakPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.onboarding-card.selected { border-color: var(--color-accent); background: var(--color-accent-light); box-shadow: 0 0 0 2px var(--color-accent); }

/* Share buttons */
.share-buttons { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-2); margin-top: var(--space-4); }
.share-btn { display: flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text-primary); font-size: var(--font-size-sm); cursor: pointer; transition: background var(--transition); white-space: nowrap; }
.share-btn:hover { background: var(--color-accent-light); color: var(--color-accent); border-color: var(--color-accent); }
@media (max-width: 480px) {
  .share-buttons { grid-template-columns: 1fr 1fr; }
}

/* RTL support (e.g. Arabic) */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}
[dir="rtl"] header > div:first-child { flex-direction: row-reverse; }
[dir="rtl"] .msg-user { margin-left: 0; margin-right: auto; }
[dir="rtl"] .msg-bot { margin-right: 0; margin-left: auto; }
[dir="rtl"] .share-buttons { direction: rtl; }

/* Responsive breakpoints */
@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: var(--space-2); }
  .app-wrap { padding: var(--space-4); }
}
@media (max-width: 360px) {
  .kpi-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  body { padding: var(--space-3); }
  .app-header { margin: calc(-1 * var(--space-3)) calc(-1 * var(--space-3)) var(--space-4) calc(-1 * var(--space-3)); padding: 0.6rem var(--space-3); }
  .card, .app-card { padding: var(--space-4); }
}