/* ── VARIABLES & RESET ── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    * { -webkit-tap-highlight-color: transparent; }

    :root {
      --bg:       #0a0a0a;
      --surface:  #141414;
      --border:   #222;
      --muted:    #444;
      --text:     #f0f0f0;
      --sub:      #888;
      --accent:   #e8f55a;
      --success:  #4dff91;
      --fail:     #ff4d4d;
      --warn:     #ffb347;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      font-weight: 400;
      background: var(--bg);
      color: var(--text);
      min-height: 100dvh;
      -webkit-font-smoothing: antialiased;
      padding-bottom: env(safe-area-inset-bottom);
    }

    /* ── ONBOARDING ── */
    #screen-onboard {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100dvh;
      padding: 2rem;
      gap: 2rem;
    }

    .onboard-title {
      font-family: 'Syne', sans-serif;
      font-size: clamp(3rem, 10vw, 5rem);
      color: var(--accent);
      text-align: center;
      line-height: 1;
    }

    .onboard-sub {
      color: var(--sub);
      text-align: center;
      font-size: 1rem;
      max-width: 320px;
      line-height: 1.6;
    }

    .onboard-form {
      width: 100%;
      max-width: 360px;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .onboard-form label {
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
    }

    .onboard-form input {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      color: var(--text);
      font-family: 'DM Sans', sans-serif;
      font-size: 1.1rem;
      padding: 0.9rem 1.1rem;
      width: 100%;
      outline: none;
      transition: border-color 0.2s;
      -webkit-appearance: none;
    }

    .onboard-form input:focus { border-color: var(--accent); }
    .onboard-form input::placeholder { color: var(--muted); }

    .btn-primary {
      background: var(--accent);
      border: none;
      border-radius: 10px;
      color: #0a0a0a;
      cursor: pointer;
      font-family: 'Syne', sans-serif;
      font-size: 1rem;
      font-weight: 800;
      letter-spacing: 0.05em;
      padding: 1rem;
      text-transform: uppercase;
      transition: opacity 0.15s, transform 0.1s;
      width: 100%;
    }

    .btn-primary:hover { opacity: 0.88; }
    .btn-primary:active { transform: scale(0.98); }

    /* ── TOP BAR ── */
    #topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: calc(0.9rem + env(safe-area-inset-top)) 1.4rem 0;
    }

    .topbar-wordmark {
      display: flex;
      align-items: center;
    }

    .topbar-logo-img {
      height: 44px;
      width: auto;
      display: block;
      object-fit: contain;
      background: transparent;
    }

    .topbar-date {
      font-family: 'DM Mono', monospace;
      font-size: 0.75rem;
      color: var(--sub);
    }

    /* goal hero row */
    #goal-row {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.4rem 1.4rem 0.1rem;
    }

    #topbar-goal {
      font-family: 'Syne', sans-serif;
      font-size: clamp(1.2rem, 4.5vw, 1.7rem);
      font-weight: 800;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 78vw;
    }

    .goal-edit-btn {
      background: none;
      border: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 1rem;
      padding: 0;
      line-height: 1;
      transition: color 0.15s;
      flex-shrink: 0;
    }

    .goal-edit-btn:hover { color: var(--accent); }

    #goal-inline-input {
      display: none;
      background: none;
      border: none;
      border-bottom: 1px solid var(--accent);
      color: var(--text);
      font-family: 'DM Sans', sans-serif;
      font-size: 1rem;
      font-weight: 500;
      outline: none;
      padding: 0 0 2px;
      width: 160px;
      -webkit-appearance: none;
    }

    .goal-save-btn {
      display: none;
      background: none;
      border: none;
      color: var(--accent);
      cursor: pointer;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 0;
      flex-shrink: 0;
    }

    /* ── NAVIGATION ── */
    #nav {
      display: flex;
      gap: 0.4rem;
      padding: 0.7rem 1.4rem 0;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }

    #nav::-webkit-scrollbar { display: none; }

    .nav-btn {
      background: none;
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--sub);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.78rem;
      font-weight: 500;
      letter-spacing: 0.06em;
      padding: 0.45rem 0.85rem;
      text-transform: uppercase;
      transition: all 0.15s;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .nav-btn:hover { border-color: var(--muted); color: var(--text); }

    .nav-btn.active {
      background: var(--accent);
      border-color: var(--accent);
      color: #0a0a0a;
    }

    /* ── SCREENS ── */
    .screen { display: none; padding: 1.4rem; max-width: 480px; margin: 0 auto; }
    .screen.active { display: block; }

    /* ── DASHBOARD ── */
    .streak-display {
      text-align: center;
      padding: 0.6rem 1rem 1rem;
    }

    .streak-label {
      font-size: 0.7rem;
      font-weight: 500;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--sub);
      margin-bottom: 0.6rem;
    }

    /* Ring wrapper */
    .streak-ring-wrap {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: clamp(160px, 48vw, 230px);
      height: clamp(160px, 48vw, 230px);
      margin: 0 auto;
    }

    .streak-ring-svg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      transform: rotate(-90deg);
      pointer-events: none;
    }

    .streak-ring-bg {
      fill: none;
      stroke: var(--surface);
      stroke-width: 7;
    }

    .streak-ring-fill {
      fill: none;
      stroke: var(--accent);
      stroke-width: 7;
      stroke-linecap: round;
      stroke-dasharray: 553;
      stroke-dashoffset: 553;
      transition: stroke-dashoffset 1s cubic-bezier(0.4,0,0.2,1);
    }

    .streak-number {
      font-family: 'Syne', sans-serif;
      font-size: clamp(3rem, 13vw, 5.5rem);
      line-height: 0.9;
      color: var(--accent);
      position: relative;
      z-index: 1;
    }

    .streak-unit {
      font-family: 'Syne', sans-serif;
      font-size: 1rem;
      color: var(--sub);
      margin-top: 0.4rem;
    }

    .streak-milestone-label {
      font-size: 0.65rem;
      color: var(--sub);
      letter-spacing: 0.08em;
      margin-top: 0.2rem;
      min-height: 1em;
    }

    .streak-target {
      margin-top: 0.5rem;
      font-size: 0.82rem;
      color: var(--sub);
    }

    .streak-target span { color: var(--text); font-weight: 500; }

    /* Check-in flash on yes */
    @keyframes yesFlash {
      0%   { background-color: rgba(77,255,145,0.2); }
      100% { background-color: transparent; }
    }
    .yes-flash { animation: yesFlash 0.9s ease-out forwards; border-radius: 14px; }

    /* mini stats row */
    .mini-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.6rem;
      margin-bottom: 1.2rem;
    }

    .mini-stat {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 0.8rem 0.5rem;
      text-align: center;
    }

    .mini-stat-val {
      font-family: 'Syne', sans-serif;
      font-size: 1.4rem;
      color: var(--text);
    }

    .mini-stat-lbl {
      font-size: 0.65rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
      margin-top: 0.2rem;
    }

    /* 7-day strip */
    .week-strip {
      display: flex;
      gap: 0.4rem;
      margin-bottom: 1.4rem;
      justify-content: center;
    }

    .week-day {
      flex: 1;
      max-width: 48px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.35rem;
    }

    .week-day-label {
      font-size: 0.6rem;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--sub);
    }

    .week-dot {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--surface);
      border: 1px solid var(--border);
    }

    .week-dot.yes { background: var(--success); border-color: var(--success); }
    .week-dot.no  { background: var(--surface); border: 1px dashed var(--muted); }
    .week-dot.today { border-color: var(--accent); border-width: 2px; }

    /* check-in buttons */
    .checkin-area {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.8rem;
      margin-bottom: 1.2rem;
    }

    .btn-yes, .btn-no {
      border: none;
      border-radius: 14px;
      cursor: pointer;
      font-family: 'Syne', sans-serif;
      font-size: 1.3rem;
      font-weight: 800;
      letter-spacing: 0.05em;
      padding: 1.4rem 1rem;
      text-transform: uppercase;
      transition: opacity 0.15s, transform 0.1s;
    }

    .btn-yes { background: var(--success); color: #0a0a0a; }
    .btn-no  { background: var(--fail);    color: #fff; }
    .btn-yes:hover, .btn-no:hover { opacity: 0.85; }
    .btn-yes:active, .btn-no:active { transform: scale(0.97); }

    .checkin-done {
      text-align: center;
      padding: 1.2rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      font-size: 0.9rem;
      color: var(--sub);
      display: none;
    }

    .checkin-done .done-result {
      font-family: 'Syne', sans-serif;
      font-size: 1.5rem;
      margin-bottom: 0.3rem;
    }

    .done-result.yes { color: var(--success); }
    .done-result.no  { color: var(--fail); }

    /* ── CALENDAR ── */
    .cal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 1.2rem;
    }

    .cal-title {
      font-family: 'Syne', sans-serif;
      font-size: 1.1rem;
    }

    .cal-nav {
      background: none;
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      cursor: pointer;
      font-size: 1rem;
      padding: 0.35rem 0.75rem;
      transition: border-color 0.15s;
    }

    .cal-nav:hover { border-color: var(--muted); }

    .cal-grid {
      display: grid;
      grid-template-columns: repeat(7, 1fr);
      gap: 0.3rem;
    }

    .cal-dow {
      font-size: 0.6rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
      text-align: center;
      padding: 0.3rem 0;
    }

    .cal-cell {
      aspect-ratio: 1;
      border-radius: 8px;
      background: var(--surface);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-family: 'DM Mono', monospace;
      color: var(--sub);
      cursor: pointer;
      transition: border-color 0.15s;
    }

    .cal-cell:hover { border-color: var(--muted); }
    .cal-cell.empty { background: none; border-color: transparent; cursor: default; }
    .cal-cell.yes { background: var(--success); border-color: var(--success); color: #0a0a0a; font-weight: 700; }
    .cal-cell.no  { background: var(--surface); border: 1px dashed var(--muted); color: var(--muted); }
    .cal-cell.unlogged { border-style: dashed; border-color: var(--muted); color: var(--muted); }
    .cal-cell.today { border-color: var(--accent); border-width: 2px; }
    .cal-cell.future { opacity: 0.2; cursor: default; }

    /* ── STATS ── */
    .stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.7rem;
      margin-bottom: 1.2rem;
    }

    .stat-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.1rem;
    }

    .stat-card.full { grid-column: 1 / -1; }

    .stat-card-val {
      font-family: 'Syne', sans-serif;
      font-size: 2rem;
      color: var(--text);
    }

    .stat-card-val.accent { color: var(--accent); }
    .stat-card-val.success { color: var(--success); }
    .stat-card-val.fail   { color: var(--fail); }

    .stat-card-lbl {
      font-size: 0.68rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
      margin-top: 0.25rem;
    }

    /* 30-day chart */
    .chart-wrap {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.1rem;
      margin-bottom: 1.2rem;
    }

    .chart-title {
      font-size: 0.68rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
      margin-bottom: 0.8rem;
    }

    .chart-bars {
      display: flex;
      align-items: flex-end;
      gap: 2px;
      height: 60px;
    }

    .chart-bar {
      flex: 1;
      border-radius: 3px 3px 0 0;
      min-height: 4px;
    }

    .chart-bar.yes { background: var(--success); }
    .chart-bar.no  { background: var(--muted); }
    .chart-bar.empty { background: var(--border); }

    /* ── SETTINGS ── */
    .settings-section {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.1rem;
      margin-bottom: 0.8rem;
    }

    .settings-label {
      font-size: 0.68rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
      margin-bottom: 0.7rem;
    }

    .settings-input {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      font-family: 'DM Sans', sans-serif;
      font-size: 1rem;
      padding: 0.7rem 0.9rem;
      width: 100%;
      outline: none;
      transition: border-color 0.2s;
      margin-bottom: 0.6rem;
      -webkit-appearance: none;
    }

    .settings-input:focus { border-color: var(--accent); }

    .btn-outline {
      background: none;
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.85rem;
      font-weight: 500;
      padding: 0.65rem 1rem;
      transition: border-color 0.15s, color 0.15s;
      width: 100%;
      text-align: center;
      margin-bottom: 0.4rem;
    }

    .btn-outline:hover { border-color: var(--accent); color: var(--accent); }

    .btn-danger {
      border-color: var(--fail);
      color: var(--fail);
    }

    .btn-danger:hover { background: var(--fail) !important; color: #fff !important; }

    /* ── MODAL ── */
    #modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(4px);
      z-index: 100;
      align-items: flex-end;
      justify-content: center;
    }

    #modal-overlay.open {
      display: flex;
    }

    .modal {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 20px 20px 0 0;
      padding: 1.5rem;
      width: 100%;
      max-width: 480px;
      animation: slideUp 0.25s ease;
    }

    @keyframes slideUp {
      from { transform: translateY(100%); }
      to   { transform: translateY(0); }
    }

    .modal-title {
      font-family: 'Syne', sans-serif;
      font-size: 1.1rem;
      margin-bottom: 1.2rem;
    }

    .modal-date {
      font-family: 'DM Mono', monospace;
      font-size: 0.75rem;
      color: var(--sub);
      margin-bottom: 1rem;
    }

    .modal-result-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.6rem;
      margin-bottom: 1rem;
    }

    .modal-result-btn {
      border: 2px solid var(--border);
      border-radius: 10px;
      background: none;
      color: var(--sub);
      cursor: pointer;
      font-family: 'Syne', sans-serif;
      font-size: 0.9rem;
      font-weight: 800;
      letter-spacing: 0.05em;
      padding: 0.75rem;
      text-transform: uppercase;
      transition: all 0.15s;
    }

    .modal-result-btn.yes.active { background: var(--success); border-color: var(--success); color: #0a0a0a; }
    .modal-result-btn.no.active  { background: var(--fail);    border-color: var(--fail);    color: #fff; }
    .modal-result-btn:not(.active):hover { border-color: var(--muted); color: var(--text); }

    .modal-note {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 10px;
      color: var(--text);
      font-family: 'DM Sans', sans-serif;
      font-size: 1rem;
      padding: 0.8rem 1rem;
      width: 100%;
      resize: none;
      outline: none;
      transition: border-color 0.2s;
      margin-bottom: 1rem;
      min-height: 80px;
      -webkit-appearance: none;
    }

    .modal-note:focus { border-color: var(--accent); }
    .modal-note::placeholder { color: var(--muted); }

    .modal-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.6rem;
    }

    /* ── TOAST ── */
    #toast {
      position: fixed;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%) translateY(80px);
      background: var(--text);
      color: var(--bg);
      border-radius: 40px;
      padding: 0.65rem 1.3rem;
      font-size: 0.85rem;
      font-weight: 500;
      z-index: 200;
      transition: transform 0.3s ease, opacity 0.3s;
      opacity: 0;
      white-space: nowrap;
    }

    #toast.show {
      transform: translateX(-50%) translateY(0);
      opacity: 1;
    }

    /* ── MILESTONE BANNER ── */
    #milestone-banner {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.85);
      backdrop-filter: blur(6px);
      z-index: 150;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 1rem;
      text-align: center;
      padding: 2rem;
    }

    #milestone-banner.open { display: flex; }

    .milestone-emoji { font-size: 4rem; }

    .milestone-title {
      font-family: 'Syne', sans-serif;
      font-size: 2.5rem;
      color: var(--accent);
    }

    .milestone-sub { color: var(--sub); font-size: 1rem; }

    .milestone-close {
      margin-top: 0.5rem;
      background: var(--accent);
      border: none;
      border-radius: 40px;
      color: #0a0a0a;
      cursor: pointer;
      font-family: 'Syne', sans-serif;
      font-weight: 800;
      font-size: 0.9rem;
      letter-spacing: 0.08em;
      padding: 0.7rem 2rem;
      text-transform: uppercase;
    }

    /* ── CONFETTI ── */
    #confetti-canvas {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 140;
    }

    /* ── SECTION TITLE ── */
    .section-title {
      font-family: 'Syne', sans-serif;
      font-size: 1rem;
      letter-spacing: 0.04em;
      margin-bottom: 1rem;
      color: var(--sub);
      text-transform: uppercase;
    }

    /* ── BADGES SCREEN ── */
    .badges-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.8rem;
    }

    .badge-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 1.2rem 1rem;
      text-align: center;
      position: relative;
      overflow: hidden;
      transition: border-color 0.2s, transform 0.15s;
    }

    .badge-card.earned {
      border-color: var(--accent);
      background: linear-gradient(135deg, #141414 60%, #1e2200 100%);
    }

    .badge-card.earned::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent 30%, rgba(232,245,90,0.06) 50%, transparent 70%);
      animation: badgeShine 3s infinite;
    }

    @keyframes badgeShine {
      0%   { transform: translateX(-100%); }
      100% { transform: translateX(200%); }
    }

    .badge-card.locked {
      opacity: 0.5;
      filter: grayscale(0.7);
    }

    .badge-icon {
      font-size: 2.4rem;
      display: block;
      margin-bottom: 0.5rem;
      line-height: 1;
    }

    .badge-name {
      font-family: 'Syne', sans-serif;
      font-size: 0.85rem;
      letter-spacing: 0.04em;
      color: var(--text);
      margin-bottom: 0.25rem;
    }

    .badge-card.earned .badge-name { color: var(--accent); }

    .badge-desc {
      font-size: 0.68rem;
      color: var(--sub);
      line-height: 1.4;
    }

    .badge-earned-date {
      font-family: 'DM Mono', monospace;
      font-size: 0.6rem;
      color: var(--accent);
      margin-top: 0.4rem;
      opacity: 0.7;
    }

    .badge-lock-icon {
      position: absolute;
      top: 0.5rem;
      right: 0.6rem;
      font-size: 0.65rem;
      color: var(--muted);
    }

    .badge-multiplier {
      position: absolute;
      top: 0.5rem;
      right: 0.6rem;
      background: var(--accent);
      color: #111;
      font-size: 0.65rem;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 999px;
      line-height: 1.4;
      letter-spacing: 0.02em;
    }

    /* ── BADGE CELEBRATION ── */
    #badge-celebration {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.92);
      backdrop-filter: blur(8px);
      z-index: 160;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 0;
      text-align: center;
      padding: 2rem;
    }

    #badge-celebration.open { display: flex; }

    .badge-cel-unlocked {
      font-size: 0.7rem;
      font-weight: 500;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 1.5rem;
      animation: fadeSlideDown 0.5s ease forwards;
    }

    .badge-cel-icon {
      font-size: 5.5rem;
      line-height: 1;
      margin-bottom: 1rem;
      animation: badgePop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
      filter: drop-shadow(0 0 30px rgba(232,245,90,0.5));
    }

    .badge-cel-glow {
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(232,245,90,0.22) 0%, rgba(232,245,90,0.05) 50%, transparent 70%);
      position: absolute;
      animation: glowPulse 1.2s ease-in-out infinite;
    }

    @keyframes glowPulse {
      0%, 100% { transform: scale(1); opacity: 0.6; }
      50%       { transform: scale(1.3); opacity: 1; }
    }

    @keyframes badgePop {
      0%   { transform: scale(0.3) rotate(-15deg); opacity: 0; }
      70%  { transform: scale(1.15) rotate(3deg); }
      100% { transform: scale(1) rotate(0deg); opacity: 1; }
    }

    @keyframes fadeSlideDown {
      from { opacity: 0; transform: translateY(-12px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .badge-cel-streak {
      font-family: 'DM Mono', monospace;
      font-size: 0.85rem;
      color: var(--accent);
      letter-spacing: 0.2em;
      text-transform: uppercase;
      margin-bottom: 1rem;
      opacity: 0.8;
      animation: fadeSlideUp 0.5s 0.15s ease both;
    }

    .badge-cel-name {
      font-family: 'Syne', sans-serif;
      font-size: clamp(1.8rem, 6vw, 2.6rem);
      color: var(--accent);
      margin-bottom: 0.5rem;
      animation: fadeSlideUp 0.5s 0.3s ease both;
    }

    .badge-cel-desc {
      font-size: 0.95rem;
      color: var(--sub);
      max-width: 280px;
      line-height: 1.6;
      margin-bottom: 2rem;
      animation: fadeSlideUp 0.5s 0.45s ease both;
    }

    @keyframes fadeSlideUp {
      from { opacity: 0; transform: translateY(14px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .badge-cel-close {
      background: var(--accent);
      border: none;
      border-radius: 40px;
      color: #0a0a0a;
      cursor: pointer;
      font-family: 'Syne', sans-serif;
      font-weight: 800;
      font-size: 0.9rem;
      letter-spacing: 0.1em;
      padding: 0.8rem 2.5rem;
      text-transform: uppercase;
      animation: fadeSlideUp 0.5s 0.6s ease both;
      transition: transform 0.1s, opacity 0.15s;
    }

    .badge-cel-close:hover { opacity: 0.85; }
    .badge-cel-close:active { transform: scale(0.97); }

    /* ── REMINDER ROWS ── */
    .reminder-row {
      display: flex;
      align-items: center;
      gap: 0.8rem;
      padding: 0.75rem 0;
      border-bottom: 1px solid var(--border);
    }
    .reminder-row:last-child { border-bottom: none; }
    .reminder-row-info { flex: 1; min-width: 0; }
    .reminder-row-label { font-size: 0.88rem; color: var(--text); font-weight: 500; }
    .reminder-row-sub { font-size: 0.72rem; color: var(--muted); margin-top: 0.15rem; line-height: 1.4; }
    .reminder-row-time {
      font-family: 'DM Mono', monospace;
      font-size: 0.78rem;
      color: var(--sub);
      margin-top: 0.25rem;
    }
    .reminder-time-input {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text);
      font-size: 1rem;
      padding: 0.55rem 0.75rem;
      cursor: pointer;
      outline: none;
      width: 100%;
      min-height: 44px;
      margin-top: 0.4rem;
      transition: border-color 0.2s;
    }
    .reminder-time-input:focus { border-color: var(--accent); }
    .reminder-toggle-btn {
      background: none;
      border: 1px solid var(--border);
      border-radius: 20px;
      color: var(--muted);
      cursor: pointer;
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      padding: 0.35rem 0.9rem;
      text-transform: uppercase;
      transition: border-color 0.15s, color 0.15s;
      white-space: nowrap;
    }
    .reminder-toggle-btn.on { border-color: var(--success); color: var(--success); }
    .reminder-delete-btn {
      background: none;
      border: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 0.85rem;
      padding: 0.3rem 0.4rem;
      transition: color 0.15s;
      line-height: 1;
    }
    .reminder-delete-btn:hover { color: var(--fail); }

    /* ── NOTIFICATION BANNER ── */
    #notif-banner {
      display: none;
      margin: 1rem 1.4rem 0;
      max-width: 452px;
      margin-left: auto;
      margin-right: auto;
      background: linear-gradient(135deg, #1a2200, #141414);
      border: 1px solid var(--accent);
      border-radius: 14px;
      padding: 1rem 1.1rem;
    }

    #notif-banner.show { display: block; }

    .notif-banner-title {
      font-family: 'Syne', sans-serif;
      font-size: 0.9rem;
      color: var(--accent);
      margin-bottom: 0.3rem;
    }

    .notif-banner-sub {
      font-size: 0.78rem;
      color: var(--sub);
      line-height: 1.5;
      margin-bottom: 0.8rem;
    }

    .notif-banner-actions { display: flex; gap: 0.5rem; align-items: center; }

    .notif-banner-btn {
      background: var(--accent);
      border: none;
      border-radius: 8px;
      color: #0a0a0a;
      cursor: pointer;
      font-family: 'Syne', sans-serif;
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0.05em;
      padding: 0.5rem 1rem;
      text-transform: uppercase;
    }

    .notif-banner-dismiss {
      background: none;
      border: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 0.78rem;
      padding: 0.5rem;
    }

    #ios-banner {
      display: none;
      margin: 1rem 1.4rem 0;
      max-width: 452px;
      margin-left: auto;
      margin-right: auto;
      background: #0d1a2e;
      border: 1px solid #1a4a8a;
      border-radius: 14px;
      padding: 1rem 1.1rem;
    }

    #ios-banner.show { display: block; }

    .ios-banner-title {
      font-family: 'Syne', sans-serif;
      font-size: 0.9rem;
      color: #4da6ff;
      margin-bottom: 0.4rem;
    }

    .ios-banner-steps {
      font-size: 0.78rem;
      color: var(--sub);
      line-height: 1.9;
      margin-bottom: 0.6rem;
    }

    .ios-banner-steps span { color: var(--text); font-weight: 500; }

    .ios-banner-dismiss {
      background: none;
      border: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 0.75rem;
      padding: 0;
    }

    /* ── MODE TOGGLE (onboarding) ── */
    .mode-toggle {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.5rem;
    }
    .mode-btn {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--sub);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.85rem;
      font-weight: 500;
      padding: 0.75rem 0.5rem;
      transition: all 0.15s;
      line-height: 1.3;
      text-align: center;
    }
    .mode-btn.active {
      background: var(--accent);
      border-color: var(--accent);
      color: #0a0a0a;
      font-weight: 700;
    }
    .mode-toggle-label {
      font-size: 0.75rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
    }

    /* ── CHECKIN QUESTION ── */
    .checkin-question {
      font-size: 0.78rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--sub);
      text-align: center;
      margin-bottom: 0.7rem;
    }

    /* ── MOTIVATION LINE ── */
    .streak-motivation {
      font-size: 0.88rem;
      color: var(--sub);
      text-align: center;
      margin-top: 0.5rem;
      line-height: 1.5;
      min-height: 1.3em;
    }

    /* ── WEEK STRIP HEADER ── */
    .week-strip-header {
      font-size: 0.65rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
      text-align: center;
      margin-bottom: 0.4rem;
    }

    /* ── CONFIRM MODAL ── */
    #confirm-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.75);
      backdrop-filter: blur(4px);
      z-index: 300;
      align-items: center;
      justify-content: center;
      padding: 1.5rem;
    }
    #confirm-overlay.open { display: flex; }
    .confirm-modal {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 1.8rem;
      width: 100%;
      max-width: 340px;
      animation: slideUp 0.2s ease;
    }
    .confirm-title {
      font-family: 'Syne', sans-serif;
      font-size: 1.2rem;
      color: var(--text);
      margin-bottom: 0.7rem;
    }
    .confirm-body {
      font-size: 0.85rem;
      color: var(--sub);
      line-height: 1.6;
      margin-bottom: 1.4rem;
    }
    .confirm-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.6rem;
    }
    .btn-confirm-danger {
      background: var(--fail);
      border: none;
      border-radius: 8px;
      color: #fff;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.9rem;
      font-weight: 700;
      padding: 0.75rem 1rem;
      transition: opacity 0.15s;
    }
    .btn-confirm-danger:hover { opacity: 0.85; }

    /* ── STATS EMPTY STATE ── */
    .stats-empty {
      text-align: center;
      padding: 2.5rem 1rem 1rem;
    }
    .stats-empty-icon { font-size: 2.8rem; display: block; margin-bottom: 0.7rem; }
    .stats-empty-title {
      font-family: 'Syne', sans-serif;
      font-size: 1.1rem;
      color: var(--text);
      margin-bottom: 0.5rem;
    }
    .stats-empty-sub { font-size: 0.85rem; color: var(--sub); line-height: 1.7; }

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

    /* ── FREQUENCY (onboarding + settings Schedule) ── */
    .freq-toggle, .target-row {
      display: flex;
      gap: 0.5rem;
      width: 100%;
    }
    .freq-btn, .target-btn {
      flex: 1;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      color: var(--text);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.85rem;
      font-weight: 500;
      padding: 0.7rem 0.4rem;
      transition: border-color 0.15s, background 0.15s, color 0.15s;
    }
    .freq-btn { padding: 1rem 0.4rem; }
    .freq-btn.active, .target-btn.active {
      background: var(--accent);
      border-color: var(--accent);
      color: #0a0a0a;
      font-weight: 700;
    }
    .target-row { margin-top: 0.6rem; }

    /* ── WELCOME-BACK BANNER ── */
    #welcome-banner {
      display: none;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 0.9rem 1.1rem;
      margin: 0.6rem 1.4rem 0;
      color: var(--text);
      position: relative;
    }
    #welcome-banner.show { display: block; }
    #welcome-banner .wb-title {
      font-family: 'Syne', sans-serif;
      font-size: 1rem;
      margin-bottom: 0.2rem;
    }
    #welcome-banner .wb-sub {
      font-size: 0.82rem;
      color: var(--sub);
      line-height: 1.5;
    }
    #welcome-banner .wb-dismiss {
      position: absolute;
      top: 0.4rem;
      right: 0.5rem;
      background: none;
      border: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 1.1rem;
      padding: 0.3rem 0.5rem;
    }

    /* ── FREEZE INDICATOR ── */
    .freeze-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.25rem;
      font-size: 0.7rem;
      color: var(--sub);
      margin-left: 0.4rem;
    }

    /* ── BACKGROUND BLUR (visibility hidden) ── */
    .app-blurred { filter: blur(20px); }

    /* ── PRIVACY SETTINGS ── */
    .privacy-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.8rem;
      padding: 0.6rem 0;
      border-bottom: 1px solid var(--border);
    }
    .privacy-row:last-of-type { border-bottom: none; }
    .privacy-row-info { flex: 1; min-width: 0; }
    .privacy-row-label {
      font-size: 0.9rem;
      color: var(--text);
      margin-bottom: 0.15rem;
    }
    .privacy-row-sub {
      font-size: 0.72rem;
      color: var(--sub);
      line-height: 1.45;
    }
    .privacy-toggle {
      flex-shrink: 0;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 999px;
      color: var(--sub);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      padding: 0.35rem 0.9rem;
      text-transform: uppercase;
      transition: all 0.15s;
    }
    .privacy-toggle.on {
      background: var(--accent);
      border-color: var(--accent);
      color: #0a0a0a;
    }

    /* ── LOCK SCREEN OVERLAY ── */
    #lock-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: var(--bg);
      z-index: 200;
      align-items: center;
      justify-content: center;
      padding: 2rem;
    }
    #lock-overlay.show { display: flex; }
    .lock-modal {
      max-width: 320px;
      width: 100%;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }
    .lock-logo { height: 60px; width: auto; margin-bottom: 0.4rem; }
    .lock-title {
      font-family: 'Syne', sans-serif;
      font-size: 1.4rem;
      color: var(--text);
    }
    .lock-sub {
      font-size: 0.82rem;
      color: var(--sub);
      line-height: 1.5;
    }
    #lock-pin-input {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      color: var(--text);
      font-family: 'DM Mono', monospace;
      font-size: 1.8rem;
      letter-spacing: 1rem;
      padding: 0.7rem 1rem;
      text-align: center;
      width: 100%;
      outline: none;
      -webkit-appearance: none;
    }
    #lock-pin-input:focus { border-color: var(--accent); }
    .lock-error {
      color: var(--fail);
      font-size: 0.78rem;
      min-height: 1em;
    }
    .lock-actions {
      display: flex;
      gap: 0.5rem;
      width: 100%;
    }
    .lock-actions .btn-outline,
    .lock-actions .btn-primary { flex: 1; }

    /* ── PRO PROMPT MODAL ── */
    #pro-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(4px);
      z-index: 150;
      align-items: center;
      justify-content: center;
      padding: 1.5rem;
    }
    #pro-overlay.show { display: flex; }
    .pro-modal {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.5rem;
      max-width: 360px;
      width: 100%;
      text-align: center;
    }
    .pro-badge {
      display: inline-block;
      font-family: 'Syne', sans-serif;
      font-size: 0.7rem;
      font-weight: 800;
      letter-spacing: 0.2em;
      color: #0a0a0a;
      background: var(--accent);
      border-radius: 6px;
      padding: 0.2rem 0.5rem;
      margin-bottom: 0.8rem;
    }
    .pro-title {
      font-family: 'Syne', sans-serif;
      font-size: 1.3rem;
      color: var(--text);
      margin-bottom: 0.5rem;
    }
    .pro-body {
      font-size: 0.88rem;
      color: var(--sub);
      line-height: 1.5;
      margin-bottom: 1.2rem;
    }
    .pro-actions {
      display: flex;
      gap: 0.5rem;
    }
    .pro-actions .btn-outline,
    .pro-actions .btn-primary { flex: 1; margin: 0; }

    /* Tappable wordmark for the dev pro-toggle gesture */
    .topbar-wordmark { cursor: pointer; }

    /* ── SPROUT PROGRESSION ── */
    .streak-sprout {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
      transition: opacity 0.45s ease-out;
    }
    .streak-sprout.fading { opacity: 0; }

    /* ── ONBOARDING FLOURISH ── */
    #onboard-flourish {
      display: none;
      position: fixed;
      inset: 0;
      background: var(--bg);
      z-index: 220;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 1.4rem;
      padding: 2rem;
      opacity: 0;
      transition: opacity 0.4s ease-out;
    }
    #onboard-flourish.show { display: flex; opacity: 1; }
    #onboard-flourish .streak-sprout {
      width: clamp(180px, 50vw, 260px);
      height: clamp(180px, 50vw, 260px);
    }
    .flourish-caption {
      font-family: 'Syne', sans-serif;
      font-size: clamp(1.4rem, 5vw, 1.9rem);
      font-weight: 800;
      letter-spacing: 0.06em;
      color: var(--accent);
      text-align: center;
    }