/* ── Pure Focus · Website ── */

:root {
  color-scheme: light;
  --bg: #f5f5f9;
  --surface: #ffffff;
  --border: #dedee8;
  --text: #1c1c28;
  --text-strong: #0d0d14;
  --muted: #5c5c72;
  --faint: #74748a;
  --track: #ececf3;
  --accent: #ef4444;
  --series: #2a78d6;
  --err: #b91c1c;
}

/* theme.js sets data-theme: the visitor's own choice, or their device's. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e0e14;
  --surface: #13131c;
  --border: #25253a;
  --text: #e0e0e8;
  --text-strong: #ffffff;
  --muted: #9a9ab0;
  --faint: #74748a;
  --track: #1e1e2c;
  --series: #3987e5;
  --err: #fca5a5;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

h1 {
  color: var(--text-strong);
  font-size: 26px;
  line-height: 1.25;
}

h2 {
  margin-bottom: 12px;
  color: var(--text-strong);
  font-size: 15px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

/* ── Header ── */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-strong);
  font-weight: 700;
  text-decoration: none;
}

.brand svg {
  color: var(--accent);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.user-email {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-btn {
  flex: none;
  padding: 4px 0;
  color: var(--muted);
  background: none;
  border: none;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.icon-btn {
  flex: none;
  display: flex;
  padding: 4px;
  color: var(--muted);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.icon-btn:hover {
  color: var(--text-strong);
}

/* The sun is offered in the dark theme, the moon in the light one. */
.icon-sun,
:root[data-theme="dark"] .icon-moon {
  display: none;
}

:root[data-theme="dark"] .icon-sun {
  display: block;
}

.link-btn:hover {
  color: var(--text-strong);
}

/* ── Shared pieces ── */

.card {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.btn {
  padding: 11px 16px;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover:not(:disabled) {
  filter: brightness(0.92);
}

.btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.btn-danger {
  color: var(--err);
  background: transparent;
  border: 1px solid var(--border);
}

.error {
  color: var(--err);
  font-size: 13px;
}

/* ── Sign-in ── */

.login {
  max-width: 420px;
  margin: 0 auto;
  padding: 40px 16px 64px;
  text-align: center;
}

.lead {
  margin: 10px 0 24px;
  color: var(--muted);
}

.login-card {
  text-align: left;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.login-card label {
  color: var(--muted);
  font-size: 13px;
}

.login-card label strong {
  color: var(--text-strong);
  overflow-wrap: anywhere;
}

.login-card input {
  width: 100%;
  padding: 11px 12px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  outline: none;
}

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

.login-card input.code {
  text-align: center;
  font-size: 22px;
  letter-spacing: 0.3em;
  font-variant-numeric: tabular-nums;
}

.consents {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 2px 0;
}

.login-card label.check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
  cursor: pointer;
}

.login-card label.check input {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 1px;
  padding: 0;
  accent-color: var(--accent);
}

.check a {
  color: var(--text-strong);
}

.login-card .link-btn {
  align-self: center;
}

/* ── Document pages ── */

.doc {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 16px 64px;
}

.doc h1 {
  margin-bottom: 6px;
}

.doc .card {
  margin-top: 16px;
}

.doc p + p {
  margin-top: 10px;
}

.login-card .error {
  margin-top: 10px;
}

.note {
  margin-top: 16px;
  color: var(--faint);
  font-size: 12px;
}

/* ── Statistics ── */

.dash {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 16px 64px;
}

.dash-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

#content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.range {
  display: flex;
  gap: 4px;
  padding: 3px;
  background: var(--track);
  border-radius: 10px;
}

.range button {
  padding: 6px 12px;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.range button[aria-pressed="true"] {
  color: var(--text-strong);
  background: var(--surface);
}

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.tile {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.tile span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.tile strong {
  color: var(--text-strong);
  font-size: 24px;
  font-variant-numeric: tabular-nums;
}

.two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.chart .grid {
  stroke: var(--border);
  stroke-width: 1;
}

.chart .axis {
  fill: var(--faint);
  font-size: 11px;
}

.chart .bar {
  fill: var(--series);
}

.chart .hit {
  fill: transparent;
}

.chart .hit:hover + .bar,
.chart .bar.on {
  filter: brightness(1.15);
}

/* Horizontal bars: label, track with bar, value */
.hbar {
  display: grid;
  grid-template-columns: minmax(0, 38%) 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 13px;
}

.hbar-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hbar-label small {
  color: var(--faint);
}

.hbar-track {
  height: 10px;
  background: var(--track);
  border-radius: 5px;
}

.hbar-fill {
  height: 100%;
  min-width: 4px;
  background: var(--series);
  border-radius: 5px;
}

.hbar-value {
  min-width: 2ch;
  color: var(--text-strong);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: right;
}

.table-wrap {
  margin-top: 10px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th,
td {
  padding: 8px 10px 8px 0;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

td.num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

td.topic {
  min-width: 180px;
  overflow-wrap: anywhere;
}

.empty p,
.privacy p {
  color: var(--muted);
  font-size: 14px;
}

.privacy .btn {
  margin-top: 12px;
}

.privacy #delete-done {
  margin-top: 8px;
}

.tooltip {
  position: absolute;
  z-index: 10;
  padding: 6px 9px;
  color: var(--text-strong);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  font-size: 12px;
  pointer-events: none;
  white-space: nowrap;
}