:root {
  color-scheme: light;
  font: 106.25%/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bg: #f2f2f7; --surface: #fff; --input-bg: #fff; --control-bg: #e5e5ea;
  --text-primary: #1c1c1e; --text-secondary: #606066; --border: #d1d1d6;
  --accent: #0066cc; --accent-bg: #daeaff; --danger: #b32630; --delete-bg: #fbe9eb;
  --hover-bg: #e2e2e8; --target: max(44px, 2rem); --field-height: max(44px, 2.58824rem);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1c1c1e; --surface: #2c2c2e; --input-bg: #2c2c2e; --control-bg: #38383a;
  --text-primary: #f5f5f7; --text-secondary: #b4b4ba; --border: #48484a;
  --accent: #80baff; --accent-bg: #203c60; --danger: #ff9da5; --delete-bg: #503036;
  --hover-bg: #3a3a3c;
}
/* Safari's body text style follows the platform text preference. Other browsers use scalable rem units. */
@supports (font: -apple-system-body) { html { font: -apple-system-body; } }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text-primary); font: inherit; line-height: 1.4; }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; color: inherit; }
button:disabled { cursor: default; opacity: .5; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
a { color: var(--accent); }
.app { max-width: 700px; margin: 0 auto; padding: max(1.5rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left)); }
.startup { font-size: 1rem; line-height: 1.5; }
.header { display: flex; align-items: center; gap: .5rem; min-height: var(--target); }
.title-area { position: relative; flex: 1; min-width: 0; }
.title-area.has-choice { min-height: var(--target); display: flex; align-items: center; }
h1 { margin: 0; font-size: 1rem; line-height: 1.2; font-weight: 600; letter-spacing: -.025em; overflow-wrap: anywhere; }
#calendar-choice { position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; min-height: var(--target); cursor: pointer; font-size: 1rem; }
.title-area:focus-within { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: .5rem; }
.header-actions { display: flex; flex-shrink: 0; gap: 0; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: var(--target); height: var(--target); flex-shrink: 0; padding: 0; border: 0; border-radius: 50%; background: transparent; text-decoration: none; color: var(--accent); }
.icon-button svg { width: 1.2353rem; height: 1.2353rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.calendar-icon text { fill: currentColor; stroke: none; font-size: 7.5px; font-family: inherit; font-weight: 600; }
.week-nav { display: flex; align-items: center; justify-content: center; gap: .25rem; margin: .65rem 0 .45rem; min-height: var(--target); }
#week-label { margin: 0; min-width: 0; flex: 1; text-align: center; font-size: 1rem; line-height: 1.3; font-weight: 600; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.week-states { display: flex; gap: .5rem; margin-bottom: .8rem; }
.week-states button { flex: 1; min-width: 0; min-height: var(--target); padding: .55rem .65rem; border: 1px solid transparent; border-radius: .85rem; background: var(--control-bg); font-size: 1rem; line-height: 1.3; font-weight: 600; overflow-wrap: anywhere; }
.week-states button[aria-pressed="true"] { background: var(--accent-bg); color: var(--accent); }
.check { display: none; margin-right: .3em; }
[aria-pressed="true"] .check { display: inline; }
.days { display: grid; gap: .3rem; }
.day { min-width: 0; }
.topic-row { display: grid; grid-template-columns: 4.6rem minmax(0, 1fr) var(--target); align-items: center; min-height: var(--field-height); gap: .3rem; }
.day-name { font-size: 1rem; line-height: 1.3; font-weight: 500; color: var(--text-secondary); overflow-wrap: anywhere; }
.input-wrap { position: relative; min-width: 0; }
.topic-input { display: block; appearance: none; -webkit-appearance: none; width: 100%; min-width: 0; height: var(--field-height); border: 1px solid var(--border); border-radius: .75rem; background: var(--input-bg); color: var(--text-primary); font-size: 1rem; padding: .45rem .7rem; caret-color: var(--accent); }
.topic-input:focus { border-color: var(--accent); }
.day.is-non-working .topic-input { background: var(--bg); }
.input-wrap.has-delete .topic-input { padding-right: calc(var(--target) + .15rem); }
.row-action svg { width: 1.17647rem; height: 1.17647rem; }
.row-action { height: var(--field-height); }
.inner-delete { position: absolute; top: 0; right: 0; color: var(--text-secondary); }
.inner-delete.is-destructive { color: var(--danger); }
.inner-delete svg { width: 1.17647rem; height: 1.17647rem; }
.inner-delete svg circle { fill: var(--control-bg); stroke: none; }
.inner-delete.is-destructive svg circle { fill: var(--delete-bg); }
.inner-delete svg path { stroke-width: 1.9; }
.topic-row.is-deleting { opacity: .6; }
.topic-input.has-error { border-color: var(--danger); }
.save-status { min-height: 2.7rem; padding-top: .45rem; display: flex; gap: .45rem; align-items: center; justify-content: center; flex-wrap: wrap; text-align: center; color: var(--text-secondary); font-size: 1rem; line-height: 1.4; overflow-wrap: anywhere; }
.save-status.is-error { color: var(--danger); }
.save-status.is-saving { margin-top: .45rem; padding: .75rem; gap: .65rem; border: 2px solid var(--accent); border-radius: .8rem; background: var(--accent-bg); color: var(--text-primary); font-weight: 650; flex-wrap: nowrap; }
.save-status.is-saving #status-message { min-width: 0; }
.saving { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.spinner { width: 1.6rem; height: 1.6rem; flex-shrink: 0; border: 3px solid var(--border); border-top-color: var(--accent); border-right-color: var(--accent); border-radius: 50%; animation: spin .85s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.state-conflicts { margin-bottom: .5rem; padding: .25rem 0; color: var(--text-secondary); font-size: 1rem; }
.state-conflicts p { margin: 0 0 .25rem; line-height: 1.4; }
.conflict-row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; min-height: var(--target); overflow-wrap: anywhere; }
.conflict-row .row-action { color: var(--danger); }
.type-metric { position: absolute; width: 1rem; height: 1rem; visibility: hidden; pointer-events: none; }
.app.is-loading .days { opacity: .65; }
@media (hover: hover) and (pointer: fine) {
  .icon-button:hover { background: var(--hover-bg); }
  .week-states button:hover { border-color: var(--accent); }
}
.icon-button:active { background: var(--hover-bg); }
@media (max-width: 480px) {
  .app { padding: max(.7rem, env(safe-area-inset-top)) max(.7rem, env(safe-area-inset-right)) max(.7rem, env(safe-area-inset-bottom)) max(.7rem, env(safe-area-inset-left)); }
  .header { gap: .25rem; }
  .topic-row { grid-template-columns: 3.85rem minmax(0, 1fr) var(--target); gap: .2rem; }
}
@media (max-height: 700px) and (max-width: 700px) {
  .app { padding-top: max(.35rem, env(safe-area-inset-top)); padding-bottom: max(.35rem, env(safe-area-inset-bottom)); }
  .week-nav { margin: .15rem 0; }
  .week-states { margin-bottom: .35rem; }
  .days { gap: .2rem; }
  .save-status { padding-top: .15rem; min-height: 1.9rem; }
}
/* Text size, including a live Safari preference change, takes precedence over a compact week. */
@media (max-width: 700px) {
  .large-text .header { flex-wrap: wrap; }
  .large-text .title-area { flex-basis: 100%; }
  .large-text .header-actions { margin-left: auto; }
  .large-text .week-nav { display: grid; grid-template-columns: var(--target) minmax(0, 1fr) var(--target); }
  .large-text #week-label { grid-column: 1 / -1; grid-row: 1; }
  .large-text #previous-week { grid-column: 1; grid-row: 2; }
  .large-text #next-week { grid-column: 3; grid-row: 2; }
  .large-text .week-states { flex-direction: column; }
  .large-text .topic-row { grid-template-columns: minmax(0, 1fr) var(--target); gap: .25rem; }
  .large-text .day-name { grid-column: 1 / -1; margin-top: .5rem; }
  .large-text .day-name:empty { display: none; }
}
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }
@media (prefers-contrast: more) {
  :root { --text-secondary: #333336; --border: #747478; --control-bg: #dddde3; --accent: #0055aa; --accent-bg: #d4e6ff; --danger: #971c26; }
  :root[data-theme="dark"] { --text-secondary: #e5e5ea; --border: #96969b; --control-bg: #333336; --accent: #aad0ff; --accent-bg: #183554; --danger: #ffb8be; }
  .week-states button { border-color: var(--border); }
}
@media (forced-colors: active) {
  :root, :root[data-theme="dark"] { --bg: Canvas; --surface: Canvas; --input-bg: Canvas; --control-bg: ButtonFace; --text-primary: CanvasText; --text-secondary: CanvasText; --border: ButtonText; --accent: LinkText; --accent-bg: Highlight; --danger: CanvasText; --delete-bg: Canvas; --hover-bg: ButtonFace; }
  .week-states button[aria-pressed="true"] { color: HighlightText; forced-color-adjust: none; }
  .inner-delete svg circle { fill: Canvas; stroke: currentColor; }
  .week-states button, .saving { border: 1px solid ButtonText; }
}

.auth-gate{max-width:400px;padding-top:12vh!important}.auth-gate h1{font-size:30px;letter-spacing:-.7px;margin-bottom:7px}.auth-gate .muted{color:var(--text-secondary);margin:0 0 30px}#password-login{display:grid;gap:9px}#password-login label{font-size:13px;color:var(--text-secondary);margin-top:8px}#password-login input{box-sizing:border-box;width:100%;min-height:45px;border:1px solid var(--border);border-radius:9px;padding:10px 12px;background:var(--surface);color:var(--text-primary);font:inherit}#password-login input:focus{outline:2px solid #0071e3;outline-offset:1px}#password-submit{margin-top:14px;border:0;border-radius:9px;background:#0071e3;color:white;padding:12px;font:inherit;font-weight:600;cursor:pointer}#password-message{font-size:13px;line-height:1.5;color:var(--text-secondary);min-height:20px}.login-links{display:flex;justify-content:space-between;gap:20px;margin-top:24px;font-size:12px}.login-links a,.manage-access{color:var(--text-secondary);text-decoration:none}.manage-access{display:block;text-align:center;font-size:12px;padding:20px}

/* Multiple remembered accesses share the existing compact calendar header. */
.title-area.has-choice h1 { padding-right: 1.5rem; }
.title-area.has-choice::after { content: '⌄'; position: absolute; right: .25rem; color: var(--accent); pointer-events: none; }
.text-button { border: 0; background: transparent; color: var(--accent); padding: .5rem; min-height: var(--target); border-radius: .6rem; text-align: left; }
.text-button:hover { background: var(--hover-bg); }
.access-toolbar { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin: .15rem -.5rem 0; font-size: .82rem; }
.access-toolbar .muted { color: var(--text-secondary); padding-right: .5rem; }
dialog { width: min(32rem, calc(100% - 2rem)); max-height: calc(100dvh - 2rem); border: 1px solid var(--border); border-radius: 1.25rem; padding: 1rem; background: var(--surface); color: var(--text-primary); box-shadow: 0 1rem 4rem #0003; }
dialog::backdrop { background: #0005; }
.dialog-heading { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.dialog-heading h2 { margin: 0; font-size: 1.1rem; }
dialog .muted, .session-username { color: var(--text-secondary); font-size: .85rem; }
.session-row { display: flex; align-items: center; justify-content: space-between; gap: .75rem; border-top: 1px solid var(--border); padding: .65rem 0; }
.session-row > div { min-width: 0; overflow-wrap: anywhere; }
.session-username { display: block; }
.session-row .text-button { flex-shrink: 0; }
.danger, #access-message { color: var(--danger); }
#logout-all { margin-top: .5rem; }
#access-message:empty { display: none; }
@media (max-width: 360px) { .header { flex-wrap: wrap; } .title-area { flex-basis: 100%; } .header-actions { margin-left: auto; } }

.compare-button { grid-column: 2 / -1; justify-self: start; }
dialog p { overflow-wrap: anywhere; }
dialog > button { margin: .25rem; padding: .65rem; }