/* ============================================================
   Grid — Connected Ovals · styles.css
   A habit tracker that behaves like a well-designed spreadsheet.
   ------------------------------------------------------------
   Tokens
   ============================================================ */

:root {
  /* color — light theme (default) */
  --paper:      #eef0ec;   /* workspace background */
  --surface:    #ffffff;   /* sheet */
  --ink:        #171a1d;   /* primary text + high-emphasis fills (buttons, active states) */
  --ink-contrast: #ffffff; /* text/icons drawn on top of an --ink fill */
  --ink-soft:   #5b6168;
  --ink-faint:  #9aa0a6;
  --grid:       #c9cfc3;   /* cell borders — visible, not just a hint */
  --grid-strong:#a7ae9e;

  --green:      #0f9d63;   /* goal met */
  --green-deep: #0b7a4d;
  --green-tint: #e3f4ec;   /* data-bar fill */
  --amber:      #b8790a;   /* partial */
  --amber-tint: #faf0da;
  --select:     #2e6be6;   /* spreadsheet selection ring */
  --select-tint:#eaf1fe;
  --danger:     #cf3f3f;
  --danger-tint:  #fdf1f1;
  --danger-border:#ecc8c8;

  /* neutral overlays — flip to light-on-dark in the dark theme below */
  --overlay-weak:  rgba(23,26,29,.05);
  --overlay-mid:   rgba(23,26,29,.14);
  --overlay-faint: rgba(23,26,29,.035);
  --scrim:         rgba(23,26,29,.4);

  /* type */
  --font-display: "Space Grotesk", sans-serif;
  --font-ui:      "Inter", system-ui, sans-serif;
  --font-data:    "JetBrains Mono", ui-monospace, monospace;

  /* layout */
  --col-habit: 264px;
  --col-day:   86px;
  --row-h:     56px;
  --radius:    10px;
  --shadow-1:  0 1px 2px rgba(23, 26, 29, .06), 0 4px 16px rgba(23, 26, 29, .05);
  --shadow-2:  0 8px 40px rgba(23, 26, 29, .18);
}

:root[data-theme="dark"] {
  --paper:      #15171a;
  --surface:    #1d2024;
  --ink:        #eef0ec;
  --ink-contrast: #14161a;
  --ink-soft:   #a8afb6;
  --ink-faint:  #6d747c;
  --grid:       #34393f;
  --grid-strong:#4a5058;

  --green:      #17a874;
  --green-deep: #22c98a;
  --green-tint: #16332a;
  --amber:      #e3a53f;
  --amber-tint: #3a2f18;
  --select:     #5b8def;
  --select-tint:#1c2b47;
  --danger:     #e0585f;
  --danger-tint:  #3a1e20;
  --danger-border:#5c2a2d;

  --overlay-weak:  rgba(255,255,255,.06);
  --overlay-mid:   rgba(255,255,255,.16);
  --overlay-faint: rgba(255,255,255,.035);
  --scrim:         rgba(0,0,0,.6);

  --shadow-1: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.24);
  --shadow-2: 0 8px 40px rgba(0,0,0,.5);
}

:root[data-theme="calm"] {
  /* dusk / ocean blue — an actual color, not a dimmed light theme */
  --paper:      #dbe6f0;
  --surface:    #eef4fa;
  --ink:        #24384c;
  --ink-contrast: #eef4fa;
  --ink-soft:   #4c6780;
  --ink-faint:  #82a0b6;
  --grid:       #bcd0e0;
  --grid-strong:#93b0c6;

  --green:      #3f8f82;
  --green-deep: #2f6f65;
  --green-tint: #d7ebe6;
  --amber:      #b98a4e;
  --amber-tint: #f2e6d2;
  --select:     #4a7fb5;
  --select-tint:#dbe9f6;
  --danger:     #ab6478;
  --danger-tint:  #f2e2e7;
  --danger-border:#dcbdc7;

  --overlay-weak:  rgba(36,56,76,.06);
  --overlay-mid:   rgba(36,56,76,.15);
  --overlay-faint: rgba(36,56,76,.04);
  --scrim:         rgba(18,28,38,.45);

  --shadow-1: 0 1px 2px rgba(36,56,76,.09), 0 4px 16px rgba(36,56,76,.07);
  --shadow-2: 0 8px 40px rgba(36,56,76,.22);
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; cursor: pointer; }

:focus-visible { outline: 2px solid var(--select); outline-offset: 2px; }

/* ============================================================
   Top bar
   ============================================================ */

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--grid);
  background: var(--paper);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  display: inline-flex;
  width: 26px;
  height: 26px;
}
.brand-mark svg { width: 100%; height: 100%; }

.brand small {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav { display: flex; gap: 4px; margin-left: 8px; }

.nav a {
  padding: 7px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
}
.nav a:hover { background: var(--overlay-weak); color: var(--ink); }
.nav a.active { background: var(--ink); color: var(--ink-contrast); }

.topbar-spacer { flex: 1; }

.prefs-select {
  padding: 7px 8px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* ============================================================
   Buttons & inputs
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--grid-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 500;
}
.btn:hover { border-color: var(--ink-faint); }

.btn-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--ink-contrast);
}
.btn-primary:hover {
  background: color-mix(in srgb, var(--ink) 85%, black);
  border-color: color-mix(in srgb, var(--ink) 85%, black);
}

.btn-danger { color: var(--danger); border-color: var(--danger-border); }
.btn-danger:hover { background: var(--danger-tint); border-color: var(--danger); }

.btn-ghost { border-color: transparent; background: transparent; color: var(--ink-soft); }
.btn-ghost:hover { background: var(--overlay-weak); color: var(--ink); }

.btn-icon { padding: 8px 10px; }

select, input[type="text"], input[type="number"] {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--grid-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
}
select:focus, input:focus { outline: 2px solid var(--select); outline-offset: 0; border-color: var(--select); }

input[type="checkbox"] { accent-color: var(--ink); width: 15px; height: 15px; }

/* ============================================================
   Toolbar
   ============================================================ */

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 24px 12px;
}

.week-nav { display: flex; align-items: center; gap: 6px; }

.range-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  min-width: 190px;
}

.toolbar .field {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 13px;
}

/* ============================================================
   Sheet (the grid)
   ============================================================ */

.sheet-wrap {
  margin: 4px 24px 32px;
  background: var(--surface);
  border: 1px solid var(--grid-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  overflow: auto;
  max-height: calc(100vh - 190px);
}

.sheet {
  display: grid;
  /* minmax lets columns stretch to fill the sheet — no dead space —
     while never shrinking a day-column past its zoom-level floor,
     which is when horizontal scrolling kicks in instead. */
  grid-template-columns: var(--col-habit) repeat(var(--day-count, 14), minmax(var(--col-day), 1fr));
  width: 100%;
  font-variant-numeric: tabular-nums;
}

/* --- zoom levels: Day/Week keep full detail; Month narrows the
   columns and drops in-cell text, leaning on cell color + the hover
   title (see renderCell) to carry the information instead. Year is
   a different view entirely — see the year-* rules below. --- */

.sheet.zoom-day   { --col-day: 160px; }
.sheet.zoom-week  { --col-day: 86px; }
.sheet.zoom-month { --col-day: 34px; }

.sheet.zoom-month .day-head { padding: 6px 2px 5px; }
.sheet.zoom-month .day-head .dow { display: none; }
.sheet.zoom-month .day-head .date { font-size: 10px; }
.sheet.zoom-month .cell { font-size: 10px; padding: 0 2px; }

/* --- year view: a per-habit progress heatmap, not the editing
   grid. Twelve month blocks (Jan–Dec), each its own little grid of
   week-columns × weekday-rows, with a rule between months. --- */

.sheet.zoom-year { display: block; }

.year-header,
.year-row {
  display: flex;
  align-items: stretch;
}

.year-header {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--surface);
  border-bottom: 2px solid var(--grid-strong);
}

.year-row { border-bottom: 1px solid var(--grid); }
.year-row .habit-cell { height: auto; flex: none; }

.year-months {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  flex: none;
}
.year-header .year-months { align-items: flex-end; padding: 10px 14px 7px; }

.year-month-label,
.year-month-block { flex: none; }

.year-month-label,
.year-month-block:not(:last-child) {
  margin-right: 12px;
  padding-right: 12px;
  border-right: 1px solid var(--grid);
}
.year-month-label:last-child { margin-right: 0; padding-right: 0; border-right: none; }

.year-month-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.year-month-block {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--sq, 11px);
  grid-template-rows: repeat(7, var(--sq, 11px));
  gap: var(--gap, 3px);
}

.year-day {
  width: var(--sq, 11px);
  height: var(--sq, 11px);
  border-radius: 2px;
  background: var(--paper);
  cursor: pointer;
}
.year-day:hover { box-shadow: inset 0 0 0 1px var(--ink-faint); }
.year-day.is-off { background: transparent; cursor: default; }
.year-day.is-off:hover { box-shadow: none; }
.year-day.is-partial { background: var(--amber-tint); }
.year-day.is-complete { background: var(--green); }
.year-day.is-over { background: var(--danger); }
.year-day.has-accent.is-partial { background: var(--accent-tint); }
.year-day.has-accent.is-complete { background: var(--accent); }
.year-day.is-today { box-shadow: inset 0 0 0 1.5px var(--ink); }
.year-day.is-today:hover { box-shadow: inset 0 0 0 1.5px var(--ink), inset 0 0 0 1px var(--ink-faint); }

/* --- header row --- */

.sheet .corner,
.sheet .day-head {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--surface);
  border-bottom: 2px solid var(--grid-strong);
}

.sheet .corner {
  left: 0;
  z-index: 5;
  border-right: 2px solid var(--grid-strong);
  display: flex;
  align-items: flex-end;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.day-head {
  padding: 8px 6px 7px;
  text-align: center;
  border-left: 1px solid var(--grid);
}

.day-head .dow {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.day-head .date {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 500;
  margin-top: 1px;
}

.day-head.is-weekend .dow { color: var(--grid-strong); }

.day-head.is-today {
  background: var(--ink);
}
.day-head.is-today .dow { color: var(--ink-contrast); opacity: .6; }
.day-head.is-today .date { color: var(--ink-contrast); }

/* --- group header row --- */

.group-row {
  grid-column: 1 / -1;
  padding: 8px 0 6px;
  background: var(--paper);
  border-bottom: 1px solid var(--grid);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--ink-soft);
  z-index: 2;
}
.group-row .group-label {
  position: sticky;
  left: 14px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.group-row .count {
  font-family: var(--font-data);
  color: var(--ink-faint);
  font-weight: 500;
}

.group-row--habits {
  margin-top: 14px;
  padding-top: 16px;
  border-top: 2px solid var(--grid-strong);
}

.group-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sw, var(--ink-faint));
}
.habit-name .group-dot { margin-right: 6px; }

/* --- habit column (sticky left) --- */

.habit-cell {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--surface);
  border-right: 2px solid var(--grid-strong);
  border-bottom: 1px solid var(--grid);
  height: var(--row-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  cursor: pointer;
  user-select: none;
}
.habit-cell:hover { background: color-mix(in srgb, var(--ink) 4%, var(--surface)); }

.habit-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--paper);
  display: grid;
  place-items: center;
  font-size: 16px;
  flex: none;
}

.habit-meta { min-width: 0; }

.habit-name {
  font-weight: 600;
  font-size: 13.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.habit-sub {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 11.5px;
  color: var(--ink-soft);
  white-space: nowrap;
}

.habit-sub .goal { font-family: var(--font-data); }

.habit-sub .week-progress { color: var(--green-deep); font-weight: 600; }
.habit-sub .week-progress.done::after { content: " ✓"; }

/* --- day cells (the signature: Excel-style data bars) --- */

.cell {
  position: relative;
  height: var(--row-h);
  border-left: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-family: var(--font-data);
  font-size: 13px;
  cursor: cell;
  user-select: none;
}

.cell .bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--green-tint);
  transition: width .18s ease;
}

.cell .val { position: relative; z-index: 1; white-space: nowrap; }

.cell.is-partial .bar { background: var(--amber-tint); }
.cell.is-partial .val { color: var(--amber); font-weight: 600; }

.cell.is-complete { background: var(--green); }
.cell.is-complete .bar { display: none; }
.cell.is-complete .val { color: #fff; font-weight: 600; }

/* over an "at most" goal — logged more than the max allowed */
.cell.is-over { background: var(--danger); }
.cell.is-over .bar { display: none; }
.cell.is-over .val { color: #fff; font-weight: 600; }

.cell.is-off {
  cursor: default;
  background:
    repeating-linear-gradient(-45deg,
      transparent 0 5px, var(--overlay-faint) 5px 6px);
}

/* --- per-habit / per-group accent tint ---
   Mixed from the full-saturation --accent (not the pale bar-fill
   tint) so the color actually reads at a glance instead of washing
   out to near-white. The bar itself stays a step lighter than the
   row/cell base so progress is still visible against it. */

.habit-cell.has-accent {
  background: color-mix(in srgb, var(--accent) 16%, var(--surface));
  box-shadow: inset 4px 0 0 var(--accent);
}
.habit-cell.has-accent:hover {
  background: color-mix(in srgb, var(--accent) 24%, var(--surface));
}

.cell.has-accent { background: color-mix(in srgb, var(--accent) 11%, var(--surface)); }
.cell.has-accent.is-off {
  background:
    repeating-linear-gradient(-45deg, transparent 0 5px, var(--overlay-faint) 5px 6px),
    color-mix(in srgb, var(--accent) 11%, var(--paper));
}
.cell.has-accent .bar { background: color-mix(in srgb, var(--accent) 30%, var(--surface)); }
.cell.has-accent.is-partial .bar { background: color-mix(in srgb, var(--accent) 30%, var(--surface)); }
.cell.has-accent.is-partial .val { color: var(--accent); }
.cell.has-accent.is-complete { background: var(--accent); }
.cell.has-accent.is-over { background: var(--danger); }

.group-row.has-accent { background: color-mix(in srgb, var(--accent) 20%, var(--paper)); }

.cell.is-today-col { box-shadow: inset 2px 0 0 var(--overlay-mid), inset -2px 0 0 var(--overlay-mid); }

.cell:not(.is-off):hover { box-shadow: inset 0 0 0 1px var(--ink-faint); }

.cell.is-selected {
  box-shadow: inset 0 0 0 2px var(--select);
  z-index: 1;
}

.cell .cell-input {
  position: absolute;
  inset: 0;
  width: 100%;
  border: none;
  border-radius: 0;
  outline: 2px solid var(--select);
  outline-offset: -2px;
  text-align: center;
  font-family: var(--font-data);
  font-size: 13px;
  background: var(--surface);
  z-index: 2;
  padding: 0 4px;
}

/* --- empty state --- */

.empty-state {
  grid-column: 1 / -1;
  padding: 72px 24px;
  text-align: center;
  color: var(--ink-soft);
}
.empty-state h2 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 6px;
}
.empty-state p { margin: 0 0 18px; }

/* ============================================================
   Modal (add / edit habit)
   ============================================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--scrim);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 50;
}

.modal {
  width: 460px;
  max-width: 100%;
  max-height: 90vh;
  overflow: auto;
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow-2);
  padding: 22px 22px 18px;
}

.modal h2 {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.form-row { margin-bottom: 14px; }

.form-row label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.form-row input[type="text"],
.form-row input[type="number"],
.form-row select { width: 100%; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.icon-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.icon-row input { width: 64px; text-align: center; font-size: 16px; }
.icon-pick {
  width: 34px; height: 34px;
  border: 1px solid var(--grid);
  border-radius: 8px;
  background: var(--surface);
  font-size: 16px;
}
.icon-pick:hover { border-color: var(--ink-faint); background: var(--paper); }

.seg {
  display: flex;
  border: 1px solid var(--grid-strong);
  border-radius: 8px;
  overflow: hidden;
}
.seg button {
  flex: 1;
  padding: 8px 4px;
  border: none;
  background: var(--surface);
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 13px;
}
.seg button + button { border-left: 1px solid var(--grid); }
.seg button.active { background: var(--ink); color: var(--ink-contrast); }

.weekday-picks { display: flex; gap: 6px; }
.weekday-picks button {
  width: 40px; height: 34px;
  border: 1px solid var(--grid-strong);
  border-radius: 8px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
}
.weekday-picks button.active {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.hint { font-size: 12px; color: var(--ink-faint); margin-top: 5px; }

.group-picker { display: flex; gap: 6px; align-items: center; }
.group-picker select { flex: 1; width: auto; }

.swatch-row { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; margin-top: 6px; }
.swatch {
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--sw, var(--surface));
  box-shadow: inset 0 0 0 1px var(--grid-strong);
}
.swatch:hover { box-shadow: inset 0 0 0 1px var(--ink-faint); }
.swatch.active { border-color: var(--ink); }
.swatch-default {
  display: grid;
  place-items: center;
  background: var(--surface);
}
.swatch-default::after {
  content: "";
  width: 15px;
  height: 1.5px;
  background: var(--ink-faint);
  transform: rotate(-45deg);
}

.completed-banner {
  padding: 9px 12px;
  background: var(--green-tint);
  color: var(--green-deep);
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 14px;
}

.tag-completed {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper);
  border-radius: 5px;
  padding: 2px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

.modal-mini-stats {
  display: flex;
  gap: 16px;
  padding: 10px 12px;
  background: var(--paper);
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.modal-mini-stats b { font-family: var(--font-data); color: var(--ink); font-size: 14px; }

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 18px;
}
.modal-actions-left { display: flex; flex-wrap: wrap; gap: 8px; margin-right: auto; }

/* ============================================================
   Statistics page
   ============================================================ */

.page {
  max-width: 1060px;
  margin: 0 auto;
  padding: 24px;
}

.page h1 {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: -0.03em;
  margin: 6px 0 18px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 26px;
}

.summary-card {
  background: var(--surface);
  border: 1px solid var(--grid-strong);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-1);
}
.summary-card .k {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.summary-card .v {
  font-family: var(--font-data);
  font-size: 26px;
  font-weight: 500;
  margin-top: 4px;
}
.summary-card .v small { font-size: 14px; color: var(--ink-soft); }

.stat-list { display: grid; gap: 12px; }

.stat-card {
  background: var(--surface);
  border: 1px solid var(--grid-strong);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-1);
  display: grid;
  grid-template-columns: minmax(200px, 1.1fr) repeat(4, minmax(80px, .6fr)) 1.6fr;
  gap: 14px;
  align-items: center;
}

.stat-card .who { display: flex; align-items: center; gap: 10px; min-width: 0; }
.stat-card .who .habit-name { font-size: 14px; }
.stat-card .who .habit-sub { font-size: 11.5px; }

.stat-num .k {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.stat-num .v { font-family: var(--font-data); font-size: 17px; margin-top: 2px; }
.stat-num .v small { font-size: 12px; color: var(--ink-soft); }

.spark {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 44px;
}
.spark .bar-col {
  flex: 1;
  min-width: 6px;
  background: var(--green-tint);
  border-radius: 2px 2px 0 0;
  position: relative;
}
.spark .bar-col .fill {
  position: absolute;
  inset: auto 0 0 0;
  background: var(--green);
  border-radius: 2px 2px 0 0;
}
.spark .bar-col.this-week .fill { background: var(--green-deep); }

.data-section {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--grid);
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--ink-soft);
  font-size: 13px;
  flex-wrap: wrap;
}

.danger-zone {
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  background: var(--danger-tint);
}
.danger-zone-head h2 {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--danger);
  margin: 0 0 4px;
}
.danger-zone-head p {
  margin: 0 0 12px;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.danger-zone-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.danger-zone .btn-danger { background: var(--surface); }

/* ============================================================
   Responsive & a11y
   ============================================================ */

@media (max-width: 720px) {
  :root { --col-habit: 190px; --row-h: 50px; }
  .sheet.zoom-day   { --col-day: 96px; }
  .sheet.zoom-week  { --col-day: 64px; }
  .sheet.zoom-month { --col-day: 26px; }

  .toolbar, .sheet-wrap { margin-left: 12px; margin-right: 12px; }
  .toolbar { padding: 12px 0 8px; }
  .range-label { min-width: 0; font-size: 14px; }
  .stat-card { grid-template-columns: 1fr 1fr; }
  .stat-card .who, .stat-card .spark { grid-column: 1 / -1; }
}

/* ---- phones: everything below stacks instead of squeezing ---- */

@media (max-width: 560px) {
  body { font-size: 13.5px; }

  .topbar {
    flex-wrap: wrap;
    row-gap: 8px;
    padding: 10px 14px;
  }
  .brand { font-size: 15px; }
  .brand small { display: none; }
  .nav { margin-left: 0; }
  .nav a { padding: 6px 10px; }
  .topbar-spacer { flex-basis: 100%; height: 0; }
  .user-chip { max-width: 40%; font-size: 11.5px; }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .week-nav { justify-content: center; }
  .range-label { text-align: center; min-width: 0; }
  .toolbar .field {
    justify-content: space-between;
    font-size: 13px;
  }
  .toolbar .field select { flex: 1; min-width: 0; margin-left: 10px; }

  .sheet-wrap { max-height: calc(100vh - 250px); }

  :root { --col-habit: 150px; }
  .habit-icon { width: 26px; height: 26px; font-size: 14px; }
  .habit-name { font-size: 12.5px; }
  .habit-sub { font-size: 10.5px; gap: 6px; }

  /* modal becomes a full-width bottom sheet */
  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 92vh;
    border-radius: 16px 16px 0 0;
    padding: 18px 16px 16px;
  }
  .form-grid { grid-template-columns: 1fr; }

  .page { padding: 16px; }
  .stat-card { grid-template-columns: 1fr; padding: 14px; }
  .summary-card .v { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ============================================================
   Auth screen, user chip, sync toast (Supabase version)
   ============================================================ */

.user-chip {
  font-size: 12.5px;
  color: var(--ink-soft);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.auth-locked > .topbar,
body.auth-locked > .toolbar,
body.auth-locked > .sheet-wrap,
body.auth-locked > .page { display: none; }

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-card {
  width: 360px;
  max-width: 100%;
  background: var(--surface);
  border: 1px solid var(--grid-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-1);
  padding: 26px 24px 22px;
}

.auth-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0;
  color: var(--ink-faint);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--grid);
}

.auth-actions { display: grid; gap: 8px; margin-top: 16px; }

.auth-error {
  padding: 9px 12px;
  border-radius: 8px;
  background: var(--danger-tint);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  font-size: 13px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 12px);
  background: var(--ink);
  color: var(--ink-contrast);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: var(--shadow-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 60;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================
   Habit Revisions / Progressive Goal — modal additions
   ============================================================ */

.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: inherit; text-transform: none; }

.upcoming-list { display: flex; flex-direction: column; gap: 6px; }

.upcoming-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--grid);
  border-radius: 8px;
  background: var(--paper);
  font-size: 12.5px;
}
.upcoming-item span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--font-data); }
.upcoming-item .btn-icon { padding: 4px 7px; }

/* revision marker on the Statistics sparkline */
.bar-col { position: relative; }
.revision-mark {
  position: absolute;
  left: 50%;
  bottom: -7px;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--select);
}

.ramp-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  max-width: 320px;
  background: var(--ink);
  color: var(--ink-contrast);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  box-shadow: var(--shadow-2);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .2s ease, transform .2s ease;
  z-index: 70;
}
.ramp-toast.show { opacity: 1; transform: translateY(0); }

/* ============================================================
   Timer Widget — see CONTEXT.md "Timer Widget" / "Session"
   ============================================================ */

.timer-trigger {
  margin-left: auto;
  flex: none;
  opacity: .55;
  border-radius: 8px;
}
.timer-trigger:hover { opacity: 1; }
.timer-trigger.is-running { opacity: 1; color: var(--green-deep); }

#timerWidget {
  position: fixed;
  z-index: 80;
  width: 200px;
  background: var(--surface);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  padding: 10px 12px;
  font-size: 13px;
  touch-action: none;
}
#timerWidget.minimized { width: auto; padding: 0; border: none; background: none; box-shadow: none; }

.timer-drag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: grab;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
}
.timer-drag span:first-child { overflow: hidden; text-overflow: ellipsis; }

.timer-min {
  border: none;
  background: none;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 2px 6px;
}
.timer-min:hover { color: var(--ink); }

.timer-elapsed-big {
  font-family: var(--font-data);
  font-size: 22px;
  text-align: center;
  margin: 8px 0;
}

.timer-actions { display: flex; gap: 6px; }
.timer-actions .btn { flex: 1; padding: 7px 8px; font-size: 12.5px; }

.timer-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--ink);
  color: var(--ink-contrast);
  border: none;
  border-radius: 999px;
  padding: 8px 14px;
  box-shadow: var(--shadow-2);
  cursor: grab;
  font-family: var(--font-data);
  font-size: 13px;
}

.timer-prompt p { margin-bottom: 10px; line-height: 1.4; }