:root {
    --bg-color: var(--tg-theme-bg-color, #17191d);
    --text-color: var(--tg-theme-text-color, #f6f7f9);
    --card-bg: var(--tg-theme-secondary-bg-color, #24272d);
    --primary-color: var(--tg-theme-button-color, #4d8dff);
    --button-text-color: var(--tg-theme-button-text-color, #ffffff);
    --hint-color: var(--tg-theme-hint-color, #9ba3af);
    --divider-color: #343842;
    --danger-color: #ff5d5d;
    --color-fresh: #42d77d;
    --color-tired: #ffd159;
    --color-drained: #ff6b5f;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --app-max-width: 430px;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    padding: 0 0 84px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
}

#app {
    width: min(100%, var(--app-max-width));
    min-height: 100vh;
    margin: 0 auto;
    background: var(--bg-color);
}

button {
    font: inherit;
}

h1,
h2,
h3,
p {
    margin: 0;
}

.screen {
    min-height: 100vh;
    padding: var(--spacing-md);
    animation: fadein 0.18s ease-out;
}

.centered-screen,
.onboarding-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-md);
}

@keyframes fadein {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.screen-header h1 {
    font-size: 28px;
    line-height: 1.1;
}

.screen-header p,
.muted,
.disclaimer {
    color: var(--hint-color);
}

.disclaimer {
    font-size: 12px;
    line-height: 1.45;
    margin-top: var(--spacing-md);
}

.language-switch {
    display: flex;
    gap: 6px;
}

.language-switch.compact {
    flex-shrink: 0;
}

.language-button,
.text-button {
    border: 1px solid var(--divider-color);
    background: transparent;
    color: var(--text-color);
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    cursor: pointer;
}

.language-button.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--button-text-color);
}

.onboarding-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.onboarding-actions button,
.primary-action {
    width: 100%;
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary-color);
    color: var(--button-text-color);
    padding: 15px;
    font-weight: 700;
    cursor: pointer;
}

.primary-action {
    margin-top: var(--spacing-lg);
}

.primary-action:disabled {
    opacity: 0.65;
}

.status-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
}

.status-panel > div:first-child {
    display: grid;
    gap: 6px;
}

.status-panel strong {
    font-size: 24px;
}

.status-panel small,
.eyebrow {
    color: var(--hint-color);
}

.eyebrow {
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.04em;
}

.battery-ring {
    width: 112px;
    height: 112px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
}

.battery-ring > div {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    align-content: center;
    background: var(--bg-color);
}

.battery-ring span {
    font-size: 28px;
    font-weight: 800;
}

.battery-ring small {
    color: var(--hint-color);
    font-size: 10px;
    text-transform: uppercase;
}

.plain-section {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--divider-color);
}

.plain-section h2 {
    font-size: 15px;
    margin-bottom: var(--spacing-sm);
}

.section-heading-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.section-heading-row h2 {
    margin-bottom: 0;
}

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

.week-button {
    width: 30px;
    height: 30px;
    border: 1px solid var(--divider-color);
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(0, 0, 0, 0.22);
    color: var(--text-color);
    font-size: 19px;
    line-height: 1;
    cursor: pointer;
}

.week-button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.factor-row {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: 8px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--divider-color) 65%, transparent);
}

.calendar-strip {
    display: flex;
    justify-content: space-between;
    gap: 6px;
    margin: var(--spacing-sm) 0 var(--spacing-lg);
}

.calendar-day {
    border: none;
    background: transparent;
    min-width: 38px;
    display: grid;
    justify-items: center;
    gap: 4px;
    color: var(--hint-color);
    font-size: 11px;
    cursor: pointer;
}

.calendar-day:disabled {
    cursor: not-allowed;
}

.weekday-label {
    font-size: 10px;
}

.date-label {
    font-size: 10px;
    color: color-mix(in srgb, var(--hint-color) 78%, transparent);
}

.day-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--divider-color);
    color: var(--text-color);
    font-size: 11px;
    font-weight: 700;
}

.calendar-day.filled .day-circle {
    background: var(--color-fresh);
    color: #0d1a12;
}

.calendar-day.active .day-circle {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.calendar-day.disabled {
    opacity: 0.35;
}

.section-title {
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--hint-color);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.input-group {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.control-block {
    padding: var(--spacing-md);
}

.with-divider {
    border-top: 1px solid var(--divider-color);
}

.input-row {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-top: 1px solid var(--divider-color);
    cursor: pointer;
    text-align: left;
}

.input-row:first-child {
    border-top: none;
}

.row-label {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: 8px;
}

.row-label small {
    color: var(--hint-color);
    font-size: 12px;
}

.row-label.spaced,
.chips-container.spaced {
    margin-top: var(--spacing-md);
}

.segmented-control,
.button-grid,
.chips-container {
    display: flex;
    gap: 6px;
}

.segmented-control {
    padding: 3px;
    background: rgba(0, 0, 0, 0.22);
    border-radius: var(--radius-sm);
}

.segment-opt,
.big-choice,
.chip {
    border: none;
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
}

.segment-opt {
    flex: 1;
    min-width: 0;
    padding: 8px 4px;
    border-radius: 6px;
    font-size: 13px;
}

.segment-opt.selected,
.big-choice.selected,
.chip.selected,
.toggle.active {
    background: var(--primary-color);
    color: var(--button-text-color);
}

.segment-opt.negative.selected,
.chip.negative.selected,
.toggle.negative.active {
    background: var(--danger-color);
    color: #ffffff;
}

.chip.positive.selected {
    background: var(--color-fresh);
    color: #0d1a12;
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.big-choice {
    padding: 11px 6px;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.22);
}

.chips-container {
    flex-wrap: wrap;
}

.chip,
.toggle {
    padding: 8px 11px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.22);
    font-size: 13px;
}

.toggle {
    min-width: 58px;
    text-align: center;
    border: 1px solid var(--divider-color);
    font-weight: 700;
}

.toggle:not(.active) {
    background: rgba(0, 0, 0, 0.28);
    color: var(--hint-color);
}

input[type=range] {
    width: 100%;
    accent-color: var(--primary-color);
}

.error-text {
    margin-top: var(--spacing-md);
    color: var(--danger-color);
}

.report-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.report-summary div {
    display: grid;
    gap: 6px;
    padding: var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-md);
}

.report-summary span {
    color: var(--hint-color);
    font-size: 12px;
}

.report-summary strong {
    font-size: 22px;
}

.report-summary small,
.chart-caption,
.section-explainer {
    color: var(--hint-color);
    font-size: 11px;
    line-height: 1.35;
}

.chart-bars {
    height: 150px;
    display: flex;
    align-items: end;
    gap: 8px;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--divider-color);
    margin-bottom: var(--spacing-sm);
}

.chart-day {
    flex: 1;
    height: 100%;
    display: grid;
    align-items: end;
    gap: 6px;
    color: var(--hint-color);
    font-size: 10px;
    text-align: center;
}

.chart-caption {
    margin-bottom: var(--spacing-lg);
}

.section-explainer {
    margin: -2px 0 var(--spacing-sm);
}

.chart-bar {
    min-height: 4px;
    border-radius: 6px 6px 0 0;
    background: var(--primary-color);
}

.wiki-list {
    display: grid;
    gap: var(--spacing-sm);
}

.wiki-item {
    width: 100%;
    border: none;
    border-radius: var(--radius-md);
    background: var(--card-bg);
    color: var(--text-color);
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas: "icon title" "icon preview";
    gap: 4px 12px;
    text-align: left;
    cursor: pointer;
}

.wiki-item span {
    grid-area: icon;
    font-size: 24px;
}

.wiki-item strong {
    grid-area: title;
}

.wiki-item small {
    grid-area: preview;
    color: var(--hint-color);
}

.wiki-detail {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    line-height: 1.55;
}

.wiki-icon {
    font-size: 36px;
}

.tab-bar {
    position: fixed;
    bottom: 0;
    left: 50%;
    width: min(100%, var(--app-max-width));
    transform: translateX(-50%);
    height: 64px;
    background: var(--card-bg);
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-top: 1px solid var(--divider-color);
    z-index: 10;
}

.tab-item {
    border: none;
    background: transparent;
    color: var(--hint-color);
    min-width: 72px;
    display: grid;
    justify-items: center;
    gap: 2px;
    font-size: 11px;
    cursor: pointer;
}

.tab-item.active {
    color: var(--primary-color);
}

.tab-icon {
    font-size: 21px;
}

@media (max-width: 360px) {
    .screen {
        padding: 12px;
    }

    .battery-ring {
        width: 96px;
        height: 96px;
    }

    .battery-ring > div {
        width: 76px;
        height: 76px;
    }

    .report-summary {
        grid-template-columns: 1fr;
    }
}