:root {
    color-scheme: light;
    --bg: #f7f3f7;
    --surface: #ffffff;
    --surface-alt: #f1e9f2;
    --text: #251d27;
    --muted: #6d6270;
    --border: #ddd1df;
    --accent: #6c3f72;
    --accent-strong: #4c2453;
    --accent-soft: #eadced;
    --good: #2f6b50;
    --warning: #916318;
    --danger: #9a3340;
    --shadow: 0 12px 30px rgba(50, 28, 53, 0.08);
    --radius: 18px;
}

@media (prefers-color-scheme: dark) {
    html.system-theme {
        color-scheme: dark;
        --bg: #171218;
        --surface: #211a23;
        --surface-alt: #2a202d;
        --text: #f4edf5;
        --muted: #b9acbd;
        --border: #463849;
        --accent: #d39adb;
        --accent-strong: #efd0f2;
        --accent-soft: #3b2940;
        --good: #85c7a7;
        --warning: #e8bd6d;
        --danger: #f18e9b;
        --shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
    }
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.45;
}

body {
    margin: 0;
    min-height: 100vh;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
select,
input[type="checkbox"],
input[type="range"] {
    cursor: pointer;
}

.app-header,
main,
footer {
    width: min(100% - 24px, 940px);
    margin-inline: auto;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: max(22px, env(safe-area-inset-top)) 4px 16px;
}

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

h1 {
    margin-bottom: 0;
    font-size: clamp(1.8rem, 6vw, 2.6rem);
    letter-spacing: -0.04em;
}

h2 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

h3 {
    margin-bottom: 6px;
    font-size: 1rem;
}

.eyebrow {
    margin-bottom: 3px;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.muted,
small {
    color: var(--muted);
}

.hidden {
    display: none !important;
}

.hero-card,
.section-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.hero-card {
    display: grid;
    grid-template-columns: 1.25fr repeat(3, minmax(0, 0.7fr));
    gap: 12px;
    padding: 20px;
    background:
        radial-gradient(circle at top right, var(--accent-soft), transparent 45%),
        var(--surface);
}

.hero-primary {
    min-width: 0;
}

.hero-primary strong {
    display: block;
    font-size: clamp(2rem, 9vw, 3.2rem);
    line-height: 1;
}

.hero-stat {
    border-left: 1px solid var(--border);
    padding-left: 14px;
}

.hero-stat strong {
    display: block;
    font-size: 1.08rem;
}

.hero-stat span,
.hero-primary span {
    color: var(--muted);
    font-size: 0.83rem;
}

.tabs {
    position: sticky;
    top: 0;
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin: 14px 0;
    padding: 6px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(12px);
}

.tab {
    min-height: 44px;
    border: 0;
    border-radius: 11px;
    background: transparent;
    color: var(--muted);
    font-weight: 750;
}

.tab.active {
    background: var(--surface);
    color: var(--accent-strong);
    box-shadow: 0 4px 12px rgba(50, 28, 53, 0.09);
}

.tab-panel {
    display: none;
    padding-bottom: 20px;
}

.tab-panel.active {
    display: block;
}

.section-card {
    margin-bottom: 14px;
    padding: 18px;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
}

.section-heading.compact {
    margin-bottom: 10px;
}

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

.date-field {
    min-width: 150px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--surface);
    color: var(--text);
    padding: 10px 11px;
    outline: none;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin: 16px 0;
    padding: 14px;
    border-radius: 14px;
    background: var(--surface-alt);
}

.toggle-row.emphasized {
    border: 1px solid var(--border);
}

.toggle-row strong,
.toggle-row small {
    display: block;
}

.switch {
    position: relative;
    display: inline-flex;
}

.switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.switch span {
    position: relative;
    width: 48px;
    height: 28px;
    border-radius: 999px;
    background: var(--border);
    transition: 160ms ease;
}

.switch span::after {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    content: "";
    transition: 160ms ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.22);
}

.switch input:checked + span {
    background: var(--accent);
}

.switch input:checked + span::after {
    transform: translateX(20px);
}

.slider-list {
    display: grid;
    gap: 2px;
}

.slider-field {
    display: grid;
    grid-template-columns: minmax(130px, 1fr) minmax(150px, 1.4fr) 32px;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.slider-field:last-child {
    border-bottom: 0;
}

.slider-field label {
    color: var(--text);
    font-size: 0.92rem;
}

.slider-field input[type="range"] {
    min-height: auto;
    padding: 0;
    accent-color: var(--accent);
}

.slider-value {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-weight: 850;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-bottom: 18px;
}

.check-card {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    font-size: 0.88rem;
}

.check-card input {
    width: 19px;
    min-height: 19px;
    margin: 0;
    accent-color: var(--accent);
}

.notes-field {
    margin-top: 6px;
}

.sticky-actions {
    position: sticky;
    bottom: max(10px, env(safe-area-inset-bottom));
    z-index: 9;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--surface) 91%, transparent);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.save-status {
    margin: 0 auto 0 0;
    color: var(--good);
    font-size: 0.86rem;
    font-weight: 700;
}

.button,
.text-button {
    border: 0;
    font-weight: 800;
}

.button {
    min-height: 44px;
    border-radius: 12px;
    padding: 10px 16px;
}

.button.primary {
    background: var(--accent);
    color: white;
}

.button.secondary {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--accent-strong);
}

.button.danger {
    border: 1px solid color-mix(in srgb, var(--danger) 45%, var(--border));
    background: color-mix(in srgb, var(--danger) 11%, var(--surface));
    color: var(--danger);
}

.text-button {
    background: transparent;
    color: var(--accent);
    padding: 6px;
}

.share-feature {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--accent-soft);
}

.share-feature p {
    margin: 0;
}

.wide-button {
    width: 100%;
}

.storage-status {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.84rem;
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.file-button {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.file-button input {
    display: none;
}

.history-list {
    display: grid;
    gap: 10px;
}

.history-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface-alt);
}

.history-date {
    display: grid;
    min-width: 54px;
    text-align: center;
}

.history-date strong {
    font-size: 1.25rem;
}

.history-date span {
    color: var(--muted);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.history-summary {
    min-width: 0;
}

.history-summary strong,
.history-summary span {
    display: block;
}

.history-summary span {
    overflow: hidden;
    color: var(--muted);
    font-size: 0.84rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-actions {
    display: flex;
    gap: 5px;
}

.icon-button {
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
}

.pattern-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.insight-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.insight-card {
    min-height: 140px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.insight-card strong {
    display: block;
    margin: 5px 0;
    color: var(--accent-strong);
    font-size: 1.35rem;
}

.insight-card p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.84rem;
}

.chart-wrap {
    position: relative;
    min-height: 280px;
}

canvas {
    display: block;
    width: 100%;
    height: auto;
    max-height: 430px;
}

.empty-state {
    padding: 42px 10px;
    color: var(--muted);
    text-align: center;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table th,
.data-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.data-table th {
    color: var(--muted);
    font-size: 0.76rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.association-list {
    display: grid;
    gap: 9px;
}

.association-item {
    padding: 12px 14px;
    border-left: 4px solid var(--accent);
    border-radius: 8px 12px 12px 8px;
    background: var(--surface-alt);
}

.association-item strong,
.association-item span {
    display: block;
}

.association-item span {
    color: var(--muted);
    font-size: 0.84rem;
}

dialog {
    width: min(90vw, 430px);
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow);
}

dialog::backdrop {
    background: rgba(20, 12, 21, 0.58);
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 24px 4px max(30px, env(safe-area-inset-bottom));
    color: var(--muted);
    font-size: 0.78rem;
}

.print-report {
    display: none;
}

@media (max-width: 720px) {
    .hero-card {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero-primary {
        grid-column: 1 / -1;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--border);
    }

    .hero-stat {
        border-left: 0;
        padding-left: 0;
    }

    .insight-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .app-header {
        align-items: flex-end;
    }

    .section-heading,
    .pattern-header {
        align-items: stretch;
        flex-direction: column;
    }

    .date-field {
        min-width: 0;
    }

    .field-grid,
    .check-grid,
    .button-grid {
        grid-template-columns: 1fr;
    }

    .slider-field {
        grid-template-columns: 1fr 1.5fr 30px;
        gap: 8px;
    }

    .slider-field label {
        font-size: 0.84rem;
    }

    .history-item {
        grid-template-columns: auto 1fr;
    }

    .history-actions {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }

    .sticky-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .save-status {
        margin: 0;
        text-align: center;
    }

    .sticky-actions .button {
        width: 100%;
    }

    .data-table {
        font-size: 0.78rem;
    }
}

@media print {
    body {
        background: white;
        color: black;
    }

    .app-header,
    .hero-card,
    .tabs,
    #todayTab,
    #historyTab,
    #settingsTab,
    #patternsTab > :not(.print-report),
    footer {
        display: none !important;
    }

    #patternsTab,
    .print-report {
        display: block !important;
    }

    .print-report {
        font-family: Arial, sans-serif;
    }

    .print-report h1,
    .print-report h2 {
        break-after: avoid;
    }

    .print-report table {
        width: 100%;
        border-collapse: collapse;
    }

    .print-report th,
    .print-report td {
        border: 1px solid #aaa;
        padding: 6px;
        text-align: left;
    }
}


/* Daily baseline checklist */
.routine-card .section-heading {
    align-items: flex-start;
}

.routine-progress {
    display: inline-grid;
    min-width: 58px;
    min-height: 38px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-alt);
    color: var(--accent-strong);
    font-size: 0.9rem;
    white-space: nowrap;
}

.routine-progress.complete {
    border-color: color-mix(in srgb, var(--good) 45%, var(--border));
    background: color-mix(in srgb, var(--good) 12%, var(--surface));
    color: var(--good);
}

.routine-checklist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}

.routine-checklist.compact {
    margin-top: 12px;
}

.routine-check-card {
    position: relative;
    display: grid;
    grid-template-columns: 30px 1fr;
    align-items: center;
    gap: 10px;
    min-height: 66px;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: 140ms ease;
}

.routine-check-card:has(input:checked) {
    border-color: color-mix(in srgb, var(--good) 50%, var(--border));
    background: color-mix(in srgb, var(--good) 9%, var(--surface));
}

.routine-check-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.routine-check-mark {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border: 2px solid var(--border);
    border-radius: 9px;
    color: transparent;
    font-weight: 900;
    transition: 140ms ease;
}

.routine-check-input:focus-visible + .routine-check-mark {
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.routine-check-input:checked + .routine-check-mark {
    border-color: var(--good);
    background: var(--good);
    color: white;
}

.routine-check-copy {
    min-width: 0;
}

.routine-check-copy strong,
.routine-check-copy small {
    display: block;
}

.routine-check-copy strong {
    font-size: 0.91rem;
}

.routine-check-copy small {
    margin-top: 2px;
    font-size: 0.76rem;
    font-weight: 600;
}

.supplement-details {
    margin-top: 14px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.supplement-details summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-radius: 11px;
    padding: 8px 4px;
    cursor: pointer;
    list-style: none;
}

.supplement-details summary::-webkit-details-marker {
    display: none;
}

.supplement-details summary > span strong,
.supplement-details summary > span small {
    display: block;
}

.supplement-details summary > span small {
    margin-top: 2px;
}

.supplement-note {
    margin: 6px 0 0;
    font-size: 0.82rem;
}

.compact-empty {
    grid-column: 1 / -1;
    padding: 14px 8px;
}

.settings-subsection + .settings-subsection {
    margin-top: 24px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.subsection-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
}

.subsection-heading h3,
.subsection-heading p {
    margin-bottom: 0;
}

.reminder-settings-list {
    display: grid;
    gap: 9px;
    margin-bottom: 12px;
}

.reminder-setting-row {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface-alt);
}

.reminder-enabled {
    align-self: center;
}

.reminder-setting-fields {
    display: grid;
    grid-template-columns: minmax(150px, 0.85fr) minmax(180px, 1.15fr);
    gap: 10px;
}

.table-scroll {
    overflow-x: auto;
}


@media (max-width: 560px) {
    .routine-checklist,
    .reminder-setting-fields {
        grid-template-columns: 1fr;
    }

    .routine-check-card {
        min-height: 58px;
    }

    .subsection-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .subsection-heading .button {
        width: 100%;
    }
}