/* Hallmark · genre: editorial-technical · macrostructure: Workbench / Index-First / Long Document · design-system: design.md · designed-as-app */
@import url("./tokens.css");

* {
    box-sizing: border-box;
}

html,
body {
    overflow-x: clip;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
    background: var(--color-page);
}

body {
    min-height: 100vh;
    margin: 0;
    background:
        linear-gradient(180deg, var(--color-page), var(--color-paper) 42%, var(--color-page)),
        var(--color-page);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: var(--text-md);
    line-height: var(--line-body);
    letter-spacing: 0;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent 0 7.95rem, var(--color-rule) 8rem, transparent 8.05rem),
        linear-gradient(180deg, transparent 0 7.95rem, var(--color-rule) 8rem, transparent 8.05rem);
    background-size: 8rem 8rem;
    opacity: 0.16;
}

img,
svg,
canvas {
    max-width: 100%;
}

canvas {
    min-height: 11rem;
}

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

button,
a,
input,
select,
summary {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
    text-decoration: none;
}

p,
h1,
h2,
h3,
h4 {
    margin-top: 0;
}

p {
    color: var(--color-muted);
}

h1,
h2,
h3,
h4 {
    color: var(--color-ink);
    font-family: var(--font-display);
    line-height: var(--line-heading);
    letter-spacing: 0;
}

h1 {
    font-size: var(--text-display-s);
    max-width: 12ch;
}

h2 {
    font-size: clamp(2rem, 4.8vw, 4.4rem);
}

h3 {
    font-size: var(--text-xl);
}

:focus-visible {
    outline: 0.1875rem solid var(--color-focus);
    outline-offset: 0.1875rem;
}

::selection {
    background: var(--color-accent);
    color: var(--color-accent-ink);
}

.meta,
.section-label,
.panel-label,
.eyebrow {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.35;
    text-transform: uppercase;
}

.stage,
.site-stage {
    min-height: 100vh;
    padding: var(--space-sm);
}

.app-shell,
.site-shell {
    width: min(92rem, calc(100vw - (var(--space-sm) * 2)));
    min-height: calc(100vh - (var(--space-sm) * 2));
    margin: 0 auto;
    overflow: clip;
    border: var(--rule);
    border-radius: var(--radius-lg);
    background: var(--color-paper);
    box-shadow: var(--shadow-panel);
}

.site-header,
.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    border-bottom: var(--rule);
    background: var(--color-overlay);
    backdrop-filter: blur(1rem) saturate(1.1);
}

.brand {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: var(--space-xs);
    min-height: 2.75rem;
    color: var(--color-ink);
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    overflow: hidden;
    border: var(--rule);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.brand-mark img {
    display: block;
    width: 3.4rem;
    height: auto;
    object-fit: contain;
    object-position: left center;
}

.brand-name {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 900;
    line-height: 1;
}

.nav-links,
.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.nav-links a,
.main-nav a {
    min-height: 2.25rem;
    padding: var(--space-2xs) var(--space-xs);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-muted);
    transition:
        color var(--dur) var(--ease-out),
        border-color var(--dur) var(--ease-out),
        background-color var(--dur) var(--ease-out);
}

.nav-links a:hover,
.main-nav a:hover,
.nav-links a[aria-current="page"],
.main-nav a[aria-current="page"] {
    border-color: var(--color-rule);
    background: var(--color-surface);
    color: var(--color-ink);
}

.top-actions,
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2xs);
}

.icon-button,
.theme-toggle,
.command-button,
.toggle-btn,
.segmented button,
.badge,
.chip-button {
    min-height: 2.75rem;
    border: var(--rule);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-ink);
    cursor: pointer;
    transition:
        transform var(--dur-fast) var(--ease-out),
        border-color var(--dur) var(--ease-out),
        background-color var(--dur) var(--ease-out),
        color var(--dur) var(--ease-out),
        opacity var(--dur) var(--ease-out);
}

.icon-button {
    display: inline-grid;
    place-items: center;
    width: 2.75rem;
    padding: 0;
}

.icon-button svg {
    width: 1.1rem;
    height: 1.1rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.command-button,
.chip-button,
.toggle-btn,
.segmented button,
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xs);
    padding: var(--space-2xs) var(--space-sm);
}

.command-button.primary,
.chip-button.primary {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-accent-ink);
}

.icon-button:hover,
.theme-toggle:hover,
.command-button:hover,
.toggle-btn:hover,
.segmented button:hover,
.badge:hover,
.chip-button:hover {
    transform: translateY(-0.0625rem);
    border-color: var(--color-rule-strong);
    background: var(--color-surface-2);
}

.command-button:active,
.toggle-btn:active,
.segmented button:active,
.chip-button:active {
    transform: translateY(0);
}

button:disabled,
[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.48;
}

[data-state="loading"],
.is-loading {
    cursor: progress;
}

[data-state="error"],
.is-error {
    border-color: var(--color-danger);
    background: var(--color-danger-soft);
}

[data-state="success"],
.is-success {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

.hero,
.page-hero,
.calculator-page,
.dashboard-grid,
.content-section,
.tools,
.learn,
.prose-page {
    padding: clamp(1.25rem, 4vw, 4rem);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(16rem, 0.9fr) minmax(20rem, 1fr) minmax(16rem, 0.82fr);
    gap: var(--space-sm);
    align-items: start;
}

.home-hero {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(20rem, 1.15fr);
    gap: var(--space-lg);
    align-items: start;
}

.hero-copy {
    padding-top: var(--space-md);
}

.hero-copy p,
.page-hero p {
    max-width: 42rem;
    font-size: var(--text-lg);
}

.hero-actions,
.tool-actions,
.profile-actions,
.preset-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.trust-strip,
.quick-stats,
.stat-grid,
.body-comp-result-grid,
.sensor-grid,
.result-grid,
.tools-grid,
.article-grid,
.footer-grid {
    display: grid;
    gap: var(--space-sm);
}

.trust-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: var(--space-lg);
}

.trust-strip div,
.mini-stat,
.analysis-card,
.metric-row,
.profile-item,
.result-item,
.method-card,
.article-card,
.tool-card,
.info-card,
.faq-card,
.copy-card,
.panel,
.card,
.metric-card,
.timeline-panel,
.result-panel {
    border: var(--rule);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.trust-strip div,
.mini-stat,
.analysis-card,
.metric-row,
.profile-item,
.result-item,
.method-card {
    padding: var(--space-sm);
}

.card,
.panel,
.metric-card,
.timeline-panel,
.result-panel {
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
}

.column {
    display: grid;
    gap: var(--space-sm);
}

.status-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 7rem;
}

.status-title {
    margin-top: var(--space-xs);
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 900;
    line-height: 1;
}

.indicator,
.eyebrow,
.metric-topline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    color: var(--color-muted);
}

.dot {
    display: inline-block;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: var(--radius-pill);
    background: var(--color-accent);
}

.badge {
    min-height: 2rem;
    padding: var(--space-3xs) var(--space-xs);
}

.field {
    display: grid;
    gap: var(--space-2xs);
}

.form-grid,
.body-comp-inputs,
.calculator-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
}

.segmented,
.toggle-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2xs);
}

.segmented.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented button,
.toggle-btn {
    width: 100%;
}

.is-active,
.segmented button.is-active,
.toggle-btn.is-active,
.goal-btn.is-active,
.gender-btn.is-active {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    color: var(--color-ink);
}

input,
select,
textarea {
    width: 100%;
    min-height: 3rem;
    border: var(--rule);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    padding: var(--space-xs) var(--space-sm);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-faint);
}

input:invalid,
select:invalid,
textarea:invalid {
    border-color: var(--color-danger);
}

.height-pair,
#height-inputs,
.imperial-height {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-xs);
}

#height-inputs:has(input:only-child) {
    grid-template-columns: 1fr;
}

.is-hidden,
[hidden],
.ad-slot,
.ad-reserve {
    display: none !important;
}

.calorie-number,
.body-comp-number,
.result-number {
    margin: var(--space-sm) 0 0;
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: 0;
    line-height: 0.94;
    overflow-wrap: anywhere;
}

.calorie-unit,
.body-comp-unit,
.result-caption {
    max-width: 34rem;
    color: var(--color-muted);
}

.ring-wrap {
    display: grid;
    place-items: center;
    margin: var(--space-md) 0;
}

.confidence-ring {
    width: min(14rem, 100%);
    height: auto;
}

.ring-bg {
    stroke: var(--color-rule);
}

.ring-progress {
    stroke: var(--color-accent);
    stroke-dasharray: 565.48;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset var(--dur-slow) var(--ease-out);
}

.ring-value {
    fill: var(--color-ink);
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
}

.ring-label {
    fill: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tiny-bar,
.bar,
.timeline-track {
    height: 0.5rem;
    overflow: hidden;
    border-radius: var(--radius-pill);
    background: var(--color-paper-2);
}

.tiny-bar span,
.bar span,
.timeline-fill {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--color-accent);
    transition: width var(--dur-slow) var(--ease-out);
}

.bar .teal,
.bar span.teal {
    background: var(--color-accent);
}

.bar .ink,
.bar span.ink {
    background: var(--fat);
}

.breakdown,
.profile-list,
.result-list,
.faq-list {
    display: grid;
    gap: var(--space-xs);
}

.breakdown-line {
    display: grid;
    gap: var(--space-2xs);
}

.narrative-text,
.panel-copy,
.body-comp-note,
.profile-privacy,
.warning-note,
.disclaimer-note {
    color: var(--color-muted);
}

.system-message,
.warning-row,
.warning-note,
.disclaimer-note,
.method-note {
    border: var(--rule);
    border-radius: var(--radius-md);
    background: var(--color-info-soft);
    color: var(--color-ink);
    padding: var(--space-sm);
}

.warning-row.is-warning,
.warning-note.is-warning {
    border-color: var(--color-warn);
    background: var(--color-warn-soft);
}

.action-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-sm);
    align-items: center;
}

.action-icon {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: var(--color-accent);
    color: var(--color-accent-ink);
    font-family: var(--font-mono);
    font-weight: 800;
}

.profile-panel.is-collapsed {
    display: none;
}

.profile-header,
.metric-topline,
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.profile-empty,
.empty-state {
    border: 1px dashed var(--color-rule-strong);
    border-radius: var(--radius-md);
    color: var(--color-muted);
    padding: var(--space-sm);
}

.profile-metrics,
.sensor-grid,
.stat-grid,
.body-comp-result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sensor-grid strong,
.mini-stat strong,
.analysis-card strong,
.result-item strong {
    display: block;
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    line-height: 1.1;
    overflow-wrap: anywhere;
}

.flow,
.decision-path {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2xs);
    margin-top: var(--space-sm);
}

.flow span,
.decision-path span {
    border: var(--rule);
    border-radius: var(--radius-pill);
    background: var(--color-paper);
    color: var(--color-muted);
    padding: var(--space-2xs) var(--space-xs);
}

.flow .active,
.decision-path .active {
    border-color: var(--color-accent);
    color: var(--color-ink);
}

.dashboard-grid,
.tool-dashboard-grid,
.body-comp-grid {
    display: grid;
    grid-template-columns: minmax(18rem, 0.9fr) minmax(20rem, 1.1fr) minmax(16rem, 0.8fr);
    gap: var(--space-sm);
    align-items: start;
}

.learn-grid,
.content-grid {
    display: grid;
    grid-template-columns: minmax(16rem, 0.55fr) minmax(0, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.learn-title {
    position: sticky;
    top: 7rem;
}

.learn-title p,
.copy-card p,
.info-card p,
.faq-card p {
    max-width: 65ch;
}

.learn-content {
    display: grid;
    gap: var(--space-sm);
}

.info-card,
.copy-card,
.faq-card,
.article-card,
.tool-card {
    padding: var(--space-md);
}

details.info-card summary {
    cursor: pointer;
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 800;
}

details.info-card p:first-of-type {
    margin-top: var(--space-sm);
}

.tools-grid,
.article-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-card,
.article-card {
    display: grid;
    gap: var(--space-xs);
    min-height: 11rem;
    color: var(--color-ink);
    transition:
        transform var(--dur) var(--ease-out),
        border-color var(--dur) var(--ease-out),
        background-color var(--dur) var(--ease-out);
}

.tool-card:hover,
.article-card:hover {
    transform: translateY(-0.125rem);
    border-color: var(--color-accent);
    background: var(--color-surface-2);
}

.tool-card strong,
.article-card strong {
    font-size: var(--text-lg);
    line-height: 1.18;
}

.tool-status,
.tool-note {
    color: var(--color-accent);
}

.page-hero {
    display: grid;
    gap: var(--space-sm);
    border-bottom: var(--rule);
}

.page-kicker,
.breadcrumb {
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-kicker a,
.breadcrumb a,
.text-link,
.prose a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.2em;
}

.calculator-workbench {
    display: grid;
    grid-template-columns: minmax(18rem, 0.95fr) minmax(20rem, 1.05fr);
    gap: var(--space-sm);
    align-items: start;
}

.simple-calculator,
.result-panel {
    display: grid;
    gap: var(--space-sm);
}

.result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.prose,
.legal-shell {
    width: min(68ch, 100%);
    margin: 0 auto;
}

.prose h1,
.legal-shell h1 {
    max-width: none;
}

.prose h2,
.legal-shell h2 {
    margin-top: var(--space-xl);
    font-size: var(--text-2xl);
}

.prose h3,
.legal-shell h3 {
    margin-top: var(--space-lg);
    font-size: var(--text-xl);
}

.prose ul,
.legal-shell ul {
    padding-left: 1.2rem;
    color: var(--color-muted);
}

.prose li + li,
.legal-shell li + li {
    margin-top: var(--space-2xs);
}

.article-meta,
.updated-date {
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.footer {
    display: grid;
    gap: var(--space-lg);
    padding: var(--space-xl) clamp(1.25rem, 4vw, 4rem);
    border-top: var(--rule);
    background: var(--color-paper-2);
    color: var(--color-muted);
}

.footer-grid {
    grid-template-columns: minmax(16rem, 1.4fr) repeat(4, minmax(8rem, 1fr));
}

.footer-brand {
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 900;
    line-height: 1;
}

.footer a {
    display: block;
    width: fit-content;
    margin-top: var(--space-2xs);
    color: var(--color-muted);
}

.footer a:hover {
    color: var(--color-ink);
}

.custom-cursor {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 9999;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-pill);
    pointer-events: none;
    opacity: 0;
    background: oklch(100% 0 0);
    mix-blend-mode: difference;
    transform: translate3d(calc(var(--cursor-x, -4rem) - 50%), calc(var(--cursor-y, -4rem) - 50%), 0);
    transition:
        opacity var(--dur-fast) var(--ease-out),
        width var(--dur) var(--ease-out),
        height var(--dur) var(--ease-out);
}

.custom-cursor.is-visible {
    opacity: 1;
}

.custom-cursor.is-hovering {
    width: 2.8rem;
    height: 2.8rem;
}

.reveal {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0ms !important;
        animation-duration: 0ms !important;
    }

    .custom-cursor {
        display: none;
    }
}

@media (max-width: 72rem) {
    .hero-grid,
    .dashboard-grid,
    .tool-dashboard-grid,
    .body-comp-grid {
        grid-template-columns: 1fr 1fr;
    }

    .tech-column,
    .technical-panel {
        grid-column: 1 / -1;
    }

    .home-hero,
    .calculator-workbench,
    .learn-grid,
    .content-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .learn-title {
        position: static;
    }
}

@media (max-width: 54rem) {
    .site-header,
    .topbar {
        align-items: flex-start;
        flex-direction: column;
        padding: var(--space-sm);
    }

    .nav-links,
    .main-nav {
        justify-content: flex-start;
    }

    .hero-grid,
    .dashboard-grid,
    .tool-dashboard-grid,
    .body-comp-grid,
    .trust-strip,
    .tools-grid,
    .article-grid,
    .result-grid {
        grid-template-columns: 1fr;
    }

    .form-grid,
    .body-comp-inputs,
    .calculator-form-grid,
    .sensor-grid,
    .stat-grid,
    .body-comp-result-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 32rem) {
    .stage,
    .site-stage {
        padding: 0;
    }

    .app-shell,
    .site-shell {
        width: 100%;
        min-height: 100vh;
        border-width: 0;
        border-radius: 0;
    }

    .hero,
    .page-hero,
    .calculator-page,
    .dashboard-grid,
    .content-section,
    .tools,
    .learn,
    .prose-page,
    .footer {
        padding: var(--space-md);
    }

    h1 {
        font-size: clamp(2.35rem, 13vw, 3.7rem);
    }

    h2 {
        font-size: clamp(1.8rem, 9vw, 2.7rem);
    }

    .segmented.three,
    .height-pair,
    #height-inputs,
    .imperial-height {
        grid-template-columns: 1fr;
    }

    .command-button,
    .chip-button {
        width: 100%;
    }
}