/* The study homepage: useful actions first, scientific detail kept in the background. */
.home-hub { max-width: 1280px; margin: 0 auto; padding: 0 36px; font-family: var(--ui-font); }
.home-hub h2 { font: 680 23px/1.3 var(--ui-font); letter-spacing: -.025em; }
.home-hub h3 { font: 650 19px/1.4 var(--ui-font); letter-spacing: -.02em; }
.home-kicker { display: block; font: 600 11px/1.5 'Chivo Mono',monospace; letter-spacing: .07em; text-transform: uppercase; color: var(--cyan); }
.home-hub .export-hero.home-hero { position: relative; isolation: isolate; height: auto !important; min-height: 0 !important; padding: 44px 0 32px; margin: 0; overflow: hidden; }
.home-hub .export-hero.home-hero > .home-hero-grid { height: auto !important; display: grid; grid-template-columns: minmax(0,1.2fr) minmax(320px,.85fr); align-items: center; gap: 60px; position: relative; z-index: 1; }
.home-hero .home-particles { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .34; filter: none; z-index: -1; mask-image: linear-gradient(90deg,transparent,#000 30%,transparent 70%); }
.home-intro { padding: 12px 0; }
.home-hub .home-hero h1 { font: 730 clamp(38px,4.1vw,56px)/1.08 var(--ui-font); letter-spacing: -.047em; margin: 16px 0 20px; max-width: 640px; }
.home-hero h1 > span { color: var(--cyan); }
.home-hub .home-hero .home-intro > p { font: 16px/1.65 var(--ui-font); color: var(--ink-2); max-width: 520px; }
.home-intro-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 26px; }
.home-text-action { display: inline-flex; align-items: center; justify-content: center; gap: 7px; color: var(--cyan); background: transparent; border: 0; padding: 8px 0; font: 600 12px/1.5 var(--ui-font); min-height: 36px; text-decoration: none; }
.home-text-action:hover { background: transparent; color: var(--ink); }
.home-text-action svg { width: 14px; height: 14px; }
.home-feature-line { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 20px; color: var(--muted); font: 11px/1.5 var(--ui-font); }
.home-feature-line > span { display: flex; gap: 6px; align-items: center; }
.home-feature-line svg { width: 13px; height: 13px; }
.home-continue { padding: 26px; border: 1px solid color-mix(in srgb,var(--cyan) 22%,var(--hairline)); background: var(--ground-2); border-radius: 20px; box-shadow: var(--native-shadow); min-width: 0; }
.home-continue .home-kicker { font: 600 12px/1.5 var(--ui-font); letter-spacing: 0; text-transform: none; color: var(--ink-2); }
.home-session-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 16px 0 12px; }
.home-mode { display: inline-flex; align-items: center; gap: 6px; font: 600 11px/1.5 var(--ui-font); color: var(--cyan); background: var(--pale); padding: 5px 8px; border-radius: 6px; }
.home-mode svg { width: 13px; height: 13px; }
.home-session-status { font: 11px/1.4 var(--ui-font); color: var(--muted); }
.home-continue h2 { font-size: 21px; line-height: 1.4; margin: 10px 0 16px; }
.home-resume-numbers { display: flex; gap: 12px; align-items: baseline; margin-bottom: 12px; }
.home-resume-numbers strong { font: 700 28px var(--ui-font); letter-spacing: -.04em; }
.home-resume-numbers strong span { color: var(--muted); font-size: 17px; font-weight: 500; }
.home-resume-numbers > span { font-size: 12px; color: var(--ink-2); }
.home-resume-track { height: 6px; border-radius: 99px; overflow: hidden; background: var(--surface-2); }
.home-resume-track > span { display: block; height: 100%; background: var(--cyan); border-radius: inherit; }
.home-hub .home-hero .home-resume-meta { font: 12px/1.5 var(--ui-font); color: var(--ink-2); margin: 10px 0 18px; }
.home-hub .home-hero .home-timer-note { font: 11px/1.5 var(--ui-font); color: var(--amber); margin: -6px 0 14px; }
.home-continue > .native-primary { width: 100%; }
.home-session-date { display: block; margin-top: 12px; color: var(--muted); font: 11px/1.6 var(--ui-font); }
.home-welcome-icon { display: grid; place-items: center; width: 40px; height: 40px; background: var(--pale); color: var(--cyan); border-radius: 12px; margin: 18px 0 14px; }
.home-hub .home-hero .home-card-copy { font: 14px/1.7 var(--ui-font); color: var(--ink-2); margin: 0 0 22px; }
.home-stats { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border: 1px solid var(--hairline); border-radius: 16px; background: var(--ground-2); overflow: hidden; margin-bottom: 32px; box-shadow: var(--native-shadow); }
.home-stat { position: relative; padding: 20px 22px; border: 0; border-right: 1px solid var(--hairline); border-radius: 0; display: flex; flex-direction: column; align-items: flex-start; text-align: left; gap: 6px; background: transparent; }
.home-stat:last-child { border-right: 0; }
.home-stat:hover { background: var(--surface-2); }
.home-stat-label { font: 600 12px/1.5 var(--ui-font); color: var(--ink-2); }
.home-stat strong { font: 680 30px/1.25 var(--ui-font); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.home-stat strong > span { color: var(--muted); font-size: 18px; font-weight: 500; }
.home-stat-caption { font: 11px/1.5 var(--ui-font); color: var(--muted); padding-right: 10px; }
.home-stat > svg { position: absolute; top: 23px; right: 16px; width: 12px; height: 12px; color: var(--muted); }
.home-work-grid { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(0,.85fr); gap: 26px; margin-bottom: 42px; }
.home-focus, .home-recent { border: 1px solid var(--hairline); border-radius: 18px; padding: 24px; background: var(--ground-2); box-shadow: var(--native-shadow); min-width: 0; }
.home-section-heading { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.home-section-heading h2 { margin: 4px 0; }
.home-section-description { font: 13px/1.7 var(--ui-font); color: var(--ink-2); margin-top: 8px; max-width: 660px; }
.home-focus-list { margin-top: 16px; }
.home-focus-row { display: flex; align-items: center; gap: 12px; width: 100%; padding: 14px 0; border: 0; border-top: 1px solid var(--hairline); border-radius: 0; background: transparent; text-align: left; }
.home-focus-row:hover { background: color-mix(in srgb,var(--cyan) 4%,transparent); }
.home-focus-index { font: 12px 'Chivo Mono',monospace; color: var(--amber); background: color-mix(in srgb,var(--amber) 8%,transparent); border: 1px solid color-mix(in srgb,var(--amber) 20%,transparent); width: 33px; height: 33px; border-radius: 9px; display: grid; place-items: center; flex-shrink: 0; }
.home-focus-content { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }
.home-focus-content .home-focus-origin { font: 11px/1.4 var(--ui-font); color: var(--muted); }
.home-focus-content strong { font: 600 13px/1.55 var(--ui-font); }
.home-focus-content > span:last-child { font: 11px/1.5 var(--ui-font); color: var(--ink-2); }
.home-focus-action { display: inline-flex; align-items: center; gap: 5px; color: var(--cyan); font: 600 11px var(--ui-font); flex-shrink: 0; }
.home-focus-action svg { width: 14px; }
.home-focus-empty { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; padding: 18px 0 4px; border-top: 1px solid var(--hairline); }
.home-focus-empty > svg { color: var(--cyan); width: 24px; }
.home-focus-empty > div { flex: 1; min-width: 200px; }
.home-focus-empty strong { font: 600 14px/1.5 var(--ui-font); }
.home-focus-empty p, .home-empty-copy { font: 13px/1.7 var(--ui-font); color: var(--muted); margin-top: 4px; }
.home-focus-empty > button { font-size: 12px; }
.home-result { display: flex; justify-content: space-between; gap: 18px; width: 100%; text-align: left; background: transparent; border: 0; border-bottom: 1px solid var(--hairline); border-radius: 0; padding: 18px 0; }
.home-result:hover { background: color-mix(in srgb,var(--cyan) 4%,transparent); }
.home-result > span:first-child { min-width: 0; }
.home-result strong { display: block; font: 600 14px/1.5 var(--ui-font); }
.home-result small { display: block; font: 11px/1.7 var(--ui-font); color: var(--muted); margin-top: 6px; }
.home-result-score { display: flex; align-items: center; gap: 6px; font: 650 22px var(--ui-font); letter-spacing: -.03em; }
.home-result-score svg { width: 12px; color: var(--muted); }
.home-drawing-action { display: flex; align-items: center; gap: 12px; width: 100%; margin-top: 20px; padding: 14px; border: 1px solid var(--hairline); border-radius: 12px; background: var(--ground); text-align: left; }
.home-drawing-icon { display: grid; place-items: center; width: 32px; height: 32px; background: var(--pale); color: var(--cyan); border-radius: 9px; flex-shrink: 0; }
.home-drawing-action > span:nth-child(2) { flex: 1; min-width: 0; }
.home-drawing-action strong { display: block; font: 600 12px/1.5 var(--ui-font); }
.home-drawing-action small { display: block; font: 11px/1.5 var(--ui-font); color: var(--muted); margin-top: 4px; }
.home-drawing-action > svg { width: 15px; color: var(--cyan); }
.home-empty-copy { margin: 20px 0; }
.home-library { border-top: 1px solid var(--hairline); padding-top: 30px; scroll-margin-top: calc(var(--header-height) + 20px); }
.home-library h2 { font-size: 28px; }
.home-exam-search { display: flex; align-items: center; gap: 9px; width: 250px; padding: 0 12px; background: var(--ground-2); border: 1px solid var(--hairline); border-radius: 10px; color: var(--muted); }
.home-exam-search:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--focus-ring); }
.home-exam-search input { width: 100%; min-width: 0; outline: 0; border: 0; padding: 0; height: 42px; background: transparent; font: 13px var(--ui-font); box-shadow: none !important; }
.home-exam-search svg { width: 16px; height: 16px; }
.home-library-controls { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; margin: 22px 0; }
.home-hub .pack-filters { margin: 0; gap: 6px; }
.home-hub .pack-filters button { display: inline-flex; align-items: center; gap: 8px; font: 500 12px var(--ui-font); padding: 8px 11px; border-radius: 9px; background: transparent; color: var(--ink-2); }
.home-hub .pack-filters button[aria-pressed=true] { color: var(--cyan); background: var(--pale); }
.home-hub .pack-filters button > span { font: 600 10px var(--ui-font); padding: 2px 5px; border-radius: 4px; background: color-mix(in srgb,var(--ink) 7%,transparent); }
#home-exam-count { font: 11px var(--ui-font); color: var(--muted); }
.home-exam-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.home-exam-card { padding: 22px; background: var(--ground-2); border: 1px solid var(--hairline); border-radius: 16px; min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.home-exam-card-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 16px; }
.home-exam-kind { color: var(--cyan); font: 600 10px/1.5 var(--ui-font); }
.home-exam-status { color: var(--muted); font: 10px/1.5 var(--ui-font); }
.home-exam-status.is-active { color: var(--cyan); background: var(--pale); border-radius: 5px; padding: 3px 6px; }
.home-exam-card h3 { min-height: 54px; font-size: 18px; }
.home-exam-metadata { display: flex; flex-wrap: wrap; gap: 6px 12px; font: 11px/1.6 var(--ui-font); color: var(--muted); margin: 10px 0 22px; }
.home-exam-card .export-exam-details { margin-bottom: 18px; }
.home-exam-card .export-exam-details p { font: 12px/1.7 var(--ui-font); color: var(--ink-2); padding-bottom: 10px; }
.home-exam-card-actions { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.home-exam-card-actions .native-secondary { font-size: 12px; min-height: 42px; padding: 10px 12px; }
.home-exam-card-actions .start { margin-left: auto; }
.home-new-attempt-note { font: 10px/1.5 var(--ui-font); color: var(--muted); margin-top: 10px; }
.home-search-empty { border: 1px dashed var(--hairline); border-radius: 16px; padding: 36px 24px; text-align: center; }
.home-search-empty p { font-size: 13px; color: var(--muted); margin: 12px 0 20px; }
.home-saved { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--hairline); }
.home-saved-list { display: grid; gap: 12px; margin-top: 18px; }
.home-saved .export-saved-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; padding: 18px 20px; }
.home-saved .export-saved-row > div:first-child { flex: 1; min-width: 220px; }
.home-saved .export-saved-row > div:last-child { display: flex; gap: 8px; }
.home-saved .export-saved-row span { display: block; font: 11px/1.6 var(--ui-font); color: var(--muted); margin-top: 5px; }
.home-delete { background: transparent; color: var(--muted); border: 0; font-size: 12px; }
.home-delete:hover { color: var(--red); background: color-mix(in srgb,var(--red) 7%,transparent); }
.home-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 32px 0 28px; color: var(--muted); font: 11px/1.6 var(--ui-font); }
@media(max-width:1100px) {
 .home-hub { padding-inline: 28px; }
 .home-hub .export-hero.home-hero > .home-hero-grid { gap: 32px; grid-template-columns: minmax(0,1.1fr) minmax(300px,.9fr); }
 .home-exam-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .home-work-grid { gap: 18px; }
 .home-stat { padding-inline: 18px; }
}
@media(max-width:800px) {
 .home-hub { padding-inline: 20px; }
 .home-hub .export-hero.home-hero { padding: 28px 0 24px; }
 .home-hub .export-hero.home-hero > .home-hero-grid { grid-template-columns: 1fr; gap: 24px; }
 .home-hub .home-hero h1 { font-size: 38px !important; max-width: 550px; margin: 14px 0 16px; }
 .home-hub .home-hero .home-intro > p { font-size: 14px !important; }
 .home-intro { padding: 0; }
 .home-intro-actions { gap: 14px; margin-top: 20px; }
 .home-feature-line { margin-top: 16px; gap: 14px; }
 .home-continue { padding: 22px; }
 .home-hub .home-hero .home-card-copy { font-size: 14px !important; }
 .home-hub .home-hero .home-resume-meta { font-size: 12px !important; }
 .home-hub .home-hero .home-timer-note { font-size: 11px !important; }
 .home-stats { grid-template-columns: repeat(2,minmax(0,1fr)); margin-bottom: 22px; }
 .home-stat { padding: 16px; }
 .home-stat:nth-child(2) { border-right: 0; }
 .home-stat:nth-child(-n+2) { border-bottom: 1px solid var(--hairline); }
 .home-stat-label { font-size: 11px; padding-right: 10px; }
 .home-stat strong { font-size: 27px; }
 .home-work-grid { grid-template-columns: 1fr; margin-bottom: 28px; }
 .home-focus, .home-recent { padding: 20px; }
 .home-hub h2 { font-size: 21px; }
 .home-section-heading { gap: 10px; }
 .home-focus-action { font-size: 0; }
 .home-exam-search { width: 100%; }
 .home-library-controls { gap: 10px; }
 .home-hub .pack-filters { flex-wrap: wrap; }
 .home-hub .pack-filters button { font-size: 11px; padding: 7px 9px; }
 .home-exam-grid { grid-template-columns: 1fr; }
 .home-exam-card { padding: 20px; }
 .home-exam-card h3 { min-height: 0; }
 .home-focus-empty > div { min-width: 180px; }
 .home-footer { padding-block: 28px; }
}
@media(prefers-reduced-motion:reduce) { .home-hub .exam-card:hover { transform: none; } }
@media(max-width:600px) { .home-feature-line { display: none; } }
@media(max-width:360px) {
 .home-hub .home-hero h1 { font-size: 32px !important; }
 .home-intro-actions { gap: 6px; margin-top: 16px; }
 .home-hub .home-hero .home-intro > p { font-size: 13px !important; }
 .home-continue { padding: 18px; }
 .home-continue h2 { font-size: 18px; }
}

.home-hub .home-hero p { padding-inline: 0; }