:root {
    --bg: #000;
    --text: #f2f2f2;
    --muted: #7d7d7d;
    --line: #2b2b2b;
    --line-strong: #5a5a5a;
    --on-text: #000;
    --panel: #0a0a0a;
    --field: #000;
    --hover: rgba(255, 255, 255, 0.1);
    --mono: 'JetBrains Mono', 'Courier New', monospace;
    --p0: #ffffff;
    --p1: #d6c8ed;
    --p2: #ad90da;
    --p3: #8458c8;
    --p4: #5b21b6;
    color-scheme: dark;
}

:root[data-theme="light"] {
    --bg: #fff;
    --text: #111;
    --muted: #777;
    --line: #e4e4e4;
    --line-strong: #bdbdbd;
    --on-text: #fff;
    --panel: #f6f6f6;
    --field: #fff;
    --hover: rgba(0, 0, 0, 0.06);
    color-scheme: light;
}

:root[data-font="inter"] .clock,
:root[data-font="inter"] .realtime {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 0 20px 48px;
    background: var(--bg);
    color: var(--text);
    font-family: var(--mono);
    font-weight: 300;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 3px;
}

button { font-family: var(--mono); cursor: pointer; }

/* ---------- Nav ---------- */
.nav {
    display: flex;
    gap: 4px;
    margin-top: 28px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: 999px;
}

.nav-button {
    background: transparent;
    color: var(--muted);
    border: 0;
    border-radius: 999px;
    padding: 8px 22px;
    font-size: 0.85rem;
    transition: background-color 0.2s, color 0.2s;
}

.nav-button:hover { color: var(--text); }

.nav-button.active {
    background: var(--text);
    color: var(--on-text);
}

/* ---------- Clock ---------- */
.clock {
    font-size: clamp(4.5rem, 22vw, 10rem);
    font-weight: 200;
    letter-spacing: -0.04em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    margin: clamp(36px, 9vh, 80px) 0 28px;
    transition: color 0.4s;
}

body[data-mode="break"] .clock { color: var(--muted); }

.realtime {
    display: none;
    font-size: clamp(2.6rem, 15vw, 7.5rem);
    font-weight: 200;
    letter-spacing: -0.04em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.rt-seconds { color: var(--muted); }

.rt-ampm {
    margin-left: 0.6em;
    font-size: 0.2em;
    font-weight: 400;
    letter-spacing: 0;
    color: var(--muted);
}

.rt-ampm:empty { display: none; }

.stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.below {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* Clock tab only: current time centered on the screen */
body[data-tab="clock"] {
    height: 100vh;
    height: 100dvh;
    padding: 0 20px;
    overflow: hidden;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto minmax(0, 1fr);
    justify-items: center;
}

body[data-tab="clock"] .nav { align-self: start; }
body[data-tab="clock"] .stage { width: auto; max-width: 100%; }

.progress {
    width: min(100%, 520px);
    height: 1px;
    background: var(--line);
}

.progress-bar {
    height: 100%;
    width: 100%;
    background: var(--text);
    transition: width 0.25s linear;
}

/* ---------- Focus panel ---------- */
.focus-container { display: block; }

.status {
    margin: 22px 0 24px;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    color: var(--muted);
}

.controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.btn {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 10px 26px;
    font-size: 0.9rem;
    transition: background-color 0.2s, border-color 0.2s, opacity 0.2s;
}

.btn:hover:not(:disabled) { background: var(--hover); }

.btn.primary {
    background: var(--text);
    color: var(--on-text);
    border-color: var(--text);
}

.btn.primary:hover:not(:disabled) { background: var(--text); opacity: 0.85; }

.btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.settings {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    color: var(--muted);
    font-size: 0.85rem;
}

.presets { display: flex; gap: 8px; }

.preset,
.range-btn {
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 0.8rem;
    transition: color 0.2s, border-color 0.2s;
}

.preset:hover,
.range-btn:hover { color: var(--text); }

.preset.active,
.range-btn.active {
    color: var(--text);
    border-color: var(--text);
}

.custom {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 24px;
}

.custom label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.custom input {
    width: 60px;
    padding: 4px 0;
    background: transparent;
    color: var(--text);
    border: 0;
    border-bottom: 1px solid var(--line-strong);
    border-radius: 0;
    text-align: center;
    font: inherit;
    -moz-appearance: textfield;
}

.custom input::-webkit-outer-spin-button,
.custom input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ---------- To do ---------- */
.todo-container {
    display: none;
    width: min(100%, 520px);
    margin-top: 36px;
}

.todo-input {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
}

.todo-input input {
    flex: 1;
    min-width: 0;
    padding: 10px 18px;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font: inherit;
}

.todo-input input::placeholder { color: var(--muted); }

.todo-list {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: left;
}

.todo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.todo-item label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    overflow-wrap: anywhere;
}

.todo-item input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    flex: none;
    display: grid;
    place-content: center;
    width: 18px;
    height: 18px;
    margin: 0;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.todo-item input[type="checkbox"]::after {
    content: '';
    width: 8px;
    height: 4px;
    margin-top: -1px;
    border-left: 1.5px solid var(--on-text);
    border-bottom: 1.5px solid var(--on-text);
    transform: rotate(-45deg) scale(0);
    transition: transform 0.15s;
}

.todo-item input[type="checkbox"]:checked {
    background: var(--text);
    border-color: var(--text);
}

.todo-item input[type="checkbox"]:checked::after { transform: rotate(-45deg) scale(1); }

.todo-item.done span {
    text-decoration: line-through;
    color: var(--muted);
}

.delete-btn,
.edit-btn {
    background: transparent;
    color: var(--muted);
    border: 0;
    padding: 4px 8px;
    font-size: 0.8rem;
    transition: color 0.2s;
}

.delete-btn:hover,
.edit-btn:hover { color: var(--text); }

.todo-empty {
    padding: 24px 0;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
}

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

/* ---------- Settings button + panel ---------- */
.icon-btn {
    position: fixed;
    top: 24px;
    right: 20px;
    z-index: 10;
    display: grid;
    place-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 50%;
    transition: color 0.2s, border-color 0.2s;
}

.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); }

.icon-btn.small {
    position: static;
    width: 32px;
    height: 32px;
    font-size: 1.3rem;
    line-height: 1;
}

.overlay {
    position: fixed;
    inset: 0;
    z-index: 20;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.overlay.open { opacity: 1; pointer-events: auto; }

.panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 30;
    width: min(340px, 88vw);
    height: 100vh;
    height: 100dvh;
    padding: 24px;
    overflow-y: auto;
    background: var(--panel);
    border-left: 1px solid var(--line);
    text-align: left;
    visibility: hidden;
    transform: translateX(100%);
    transition: transform 0.3s ease, visibility 0s 0.3s;
}

.panel.open {
    visibility: visible;
    transform: none;
    transition: transform 0.3s ease, visibility 0s;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.panel h2 { margin: 0; font-size: 1rem; font-weight: 400; }

.panel-section { margin-bottom: 28px; }

.panel-section h3 {
    margin: 0 0 12px;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.btn.full { width: 100%; }

.panel-note {
    margin: 10px 0 0;
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--muted);
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.85rem;
}

.panel select {
    background: var(--field);
    color: var(--text);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 6px 12px;
    font: inherit;
    font-size: 0.8rem;
}

.switch {
    -webkit-appearance: none;
    appearance: none;
    position: relative;
    flex: none;
    width: 34px;
    height: 20px;
    margin: 0;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    cursor: pointer;
}

.switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--muted);
    transition: transform 0.2s, background-color 0.2s;
}

.switch:checked::after { transform: translateX(14px); background: var(--text); }

.panel :disabled { opacity: 0.4; cursor: default; }

@media (max-width: 380px) {
    .nav-button { padding: 8px 14px; }
}

.account-email {
    margin: 0 0 12px;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
}

/* ---------- Drag to reorder + shortcuts ---------- */
.todo-item {
    -webkit-user-select: none;
    user-select: none;
}

.drag-handle {
    flex: none;
    padding: 4px 2px;
    font-size: 1rem;
    line-height: 1;
    color: var(--muted);
    opacity: 0.6;
    cursor: grab;
    touch-action: none;
    transition: opacity 0.2s;
}

.todo-item:hover .drag-handle { opacity: 1; }

.todo-item.dragging {
    position: relative;
    z-index: 2;
    background: var(--bg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.todo-list.is-dragging,
.todo-list.is-dragging * { cursor: grabbing; }

.todo-item.drop-before { box-shadow: inset 0 2px 0 var(--text); }
.todo-item.drop-after { box-shadow: 0 2px 0 var(--text); }

kbd {
    font: inherit;
    font-size: 0.75rem;
    color: var(--muted);
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    padding: 2px 8px;
}


/* ---------- Inline task editing ---------- */
.edit-input {
    flex: 1;
    min-width: 0;
    padding: 2px 0;
    background: transparent;
    color: var(--text);
    border: 0;
    border-bottom: 1px solid var(--line-strong);
    border-radius: 0;
    font: inherit;
    -webkit-user-select: text;
    user-select: text;
}

.edit-input:focus-visible {
    outline: none;
    border-bottom-color: var(--text);
}

/* ---------- Stats dashboard ---------- */
.stats-container {
    display: none;
    width: min(100%, 760px);
    margin-top: 36px;
    text-align: left;
}

.stats-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.stats-title {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.stats-range { display: flex; gap: 8px; }

.stat-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card,
.stat-panel {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
}

.stat-card { flex: 1 1 150px; min-width: 0; }
.stat-panel { margin-bottom: 20px; }

.stat-label,
.stat-sub,
.stat-panel-head {
    font-size: 0.75rem;
    color: var(--muted);
}

.stat-value {
    margin: 6px 0;
    font-size: clamp(1.6rem, 7vw, 2.75rem);
    font-weight: 200;
    letter-spacing: -0.04em;
    white-space: nowrap;
}

.stat-panel-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.chart {
    height: 150px;
    margin-top: 16px;
    display: flex;
    align-items: flex-end;
    gap: 14px;
}

.chart.month { gap: 3px; }

.chart-col {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    font-size: 0.65rem;
    color: var(--muted);
}

.chart-bar {
    width: 100%;
    margin: 4px 0;
    background: var(--line-strong);
    border-radius: 4px;
}

.chart-lbl { height: 1em; line-height: 1; white-space: nowrap; }
.chart.month .chart-val { display: none; }
.chart-col.today { color: var(--text); }
.chart-col.today .chart-bar { background: var(--text); }

.day-list { list-style: none; margin: 0; padding: 0; }

.day-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.8rem;
    color: var(--muted);
}

.day-row:last-child { border-bottom: 0; }
.day-row.today { color: var(--text); }

.day-name {
    flex: none;
    width: 10.5em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.day-track {
    flex: 1;
    height: 4px;
    background: var(--line);
    border-radius: 2px;
}

.day-fill {
    height: 100%;
    background: var(--line-strong);
    border-radius: 2px;
}

.day-row.today .day-fill { background: var(--text); }

.day-time {
    flex: none;
    width: 5.5em;
    text-align: right;
}

@media (max-width: 420px) {
    .stat-card, .stat-panel { padding: 16px; }
    .day-row { gap: 10px; }
    .day-name { width: 8.5em; }
}

/* ---------- Focus map (heatmap) ---------- */
.l0 { background: var(--p0); }
.l1 { background: var(--p1); }
.l2 { background: var(--p2); }
.l3 { background: var(--p3); }
.l4 { background: var(--p4); }
:root[data-theme="light"] .l0 { box-shadow: inset 0 0 0 1px var(--line-strong); }

.map-box { position: relative; margin-top: 16px; }
.map-wrap { overflow-x: auto; padding-bottom: 4px; }
.map-inner { display: flex; gap: 6px; width: max-content; }

.map-days {
    width: 28px;
    padding-top: 17px;
    display: grid;
    grid-template-rows: repeat(7, 13px);
    font-size: 0.65rem;
    line-height: 13px;
    color: var(--muted);
}

.map-main { position: relative; }

.map-months {
    position: relative;
    width: 686px;
    height: 17px;
    font-size: 0.65rem;
    color: var(--muted);
}

.map-months span { position: absolute; top: 0; }

.map-grid {
    display: grid;
    grid-template-rows: repeat(7, 10px);
    grid-auto-flow: column;
    grid-auto-columns: 10px;
    gap: 3px;
}

.map-cell,
.map-legend i {
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.map-cell:hover { outline: 1px solid var(--text); outline-offset: 1px; }

.map-legend {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-size: 0.65rem;
    color: var(--muted);
}

.map-tip {
    position: absolute;
    z-index: 3;
    padding: 4px 8px;
    border-radius: 6px;
    background: var(--text);
    color: var(--on-text);
    font-size: 0.7rem;
    white-space: nowrap;
    pointer-events: none;
}

.map-tip[hidden] { display: none; }

.map-tip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: var(--arrow, 50%);
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text);
}

/* ---------- Accent color setting ---------- */
.setting-block {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.85rem;
}

.setting-top { display: flex; justify-content: space-between; align-items: center; }

.new-badge {
    padding: 2px 8px;
    border: 1px solid var(--text);
    border-radius: 999px;
    font-size: 0.65rem;
}

.swatches { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 4px 6px; }

.swatch {
    position: relative;
    display: block;
    width: 24px;
    height: 24px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--c);
}

.swatch.active { box-shadow: 0 0 0 2px var(--panel), 0 0 0 4px var(--text); }

.swatch-custom {
    border: 1px dashed var(--muted);
    background: transparent;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 22px;
    text-align: center;
    cursor: pointer;
}

.swatch-custom.has-color {
    border-color: transparent;
    background: var(--c);
    color: transparent;
}

.swatch-custom input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    opacity: 0;
    cursor: pointer;
}

.palette-preview { display: flex; justify-content: space-between; margin-top: 12px; }

.palette-preview div {
    text-align: center;
    font-size: 0.65rem;
    color: var(--muted);
}

.palette-preview span {
    display: block;
    width: 30px;
    height: 30px;
    margin-bottom: 4px;
    border-radius: 6px;
}

/* ---------- Streak ---------- */
.streak-card {
    display: flex;
    flex-direction: column;
    border-color: var(--p3);
}

.streak-card.out { border-color: var(--line); }

.stat-top { display: flex; justify-content: space-between; align-items: center; }

.stat-unit {
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 0;
    color: var(--muted);
}

.flame { flex: none; fill: var(--p3); stroke: var(--p1); }
.flame.risk { fill: none; stroke: var(--p3); stroke-dasharray: 3 2.5; }
.flame.out { fill: none; stroke: var(--line-strong); }
:root[data-theme="light"] .flame { stroke: var(--p4); }
:root[data-theme="light"] .flame.risk { stroke: var(--p3); }
:root[data-theme="light"] .flame.out { stroke: var(--line-strong); }

.streak-dots {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 14px;
}

.streak-day {
    text-align: center;
    font-size: 0.625rem;
    color: var(--muted);
}

.streak-dot {
    display: block;
    width: 10px;
    height: 10px;
    margin: 0 auto 4px;
    box-sizing: border-box;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
}

.streak-dot.on { background: var(--p3); border-color: var(--p3); }
.streak-dot.today { box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px var(--text); }

.map-cell.s { box-shadow: 0 0 0 1.5px var(--text); }

.map-legend .s-key {
    background: transparent;
    box-shadow: 0 0 0 1.5px var(--text);
    margin-right: 4px;
}

.s-label { margin-right: 14px; }

@media (max-width: 700px) {
    .stat-value { font-size: clamp(1.6rem, 5.2vw, 2.75rem); }
}

/* The app opens on the Clock tab: keep the timer parts hidden until the script runs */
body[data-tab="clock"] .clock,
body[data-tab="clock"] .progress,
body[data-tab="clock"] .focus-container { display: none; }
body[data-tab="clock"] .realtime { display: block; }