/* ===========================================================================
   RankStack 1.2.0
   ---------------------------------------------------------------------------
   1.  Tokens and theming
   2.  Base elements
   3.  Buttons, pills, badges
   4.  Public site: header, hamburger, hero, cards, footer
   5.  Auth and onboarding
   6.  Application shell and sidebar
   7.  Panels, tables, metrics
   8.  Forms and dialogs
   9.  States: empty, loading, validation, error
   10. Utilities and print
   ======================================================================== */

/* ---------------------------------------------------------------------------
   1. Tokens and theming
   ------------------------------------------------------------------------ */

:root {
    color-scheme: light dark;

    --font-sans: 'Satoshi', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

    --bg:          #f7f8fb;
    --bg-raised:   #ffffff;
    --bg-sunken:   #eef0f6;
    --bg-inverse:  #10131c;

    --ink:         #10131c;
    --ink-soft:    #4a5165;
    --ink-faint:   #757d93;
    --ink-inverse: #f7f8fb;

    --line:        #dfe3ec;
    --line-strong: #c6ccdb;

    --accent:      #3d5afe;
    --accent-ink:  #ffffff;
    --accent-soft: #e8ecff;
    --accent-deep: #2438c8;

    --ok:      #0f8a5f;
    --ok-soft: #e1f5ec;
    --warn:    #b26a00;
    --warn-soft: #fdf0dc;
    --bad:     #c0362c;
    --bad-soft: #fdeceb;
    --info:    #2563a8;
    --info-soft: #e6f0fb;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 2px rgb(16 19 28 / 6%);
    --shadow:    0 4px 16px rgb(16 19 28 / 8%);
    --shadow-lg: 0 20px 48px rgb(16 19 28 / 16%);

    --gap:   1rem;
    --gap-lg: 1.75rem;

    --sidebar-width: 17rem;
    --header-height: 4rem;
    --content-max: 78rem;
}

/* Dark theme, applied either by system preference or by explicit choice. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme='light']) {
        --bg:         #0b0e16;
        --bg-raised:  #141924;
        --bg-sunken:  #080b12;
        --bg-inverse: #f7f8fb;

        --ink:         #e9ecf4;
        --ink-soft:    #a7b0c4;
        --ink-faint:   #7c869c;
        --ink-inverse: #10131c;

        --line:        #242c3c;
        --line-strong: #37415a;

        --accent:      #7d90ff;
        --accent-ink:  #0b0e16;
        --accent-soft: #1d2440;
        --accent-deep: #9aa9ff;

        --ok:        #4ad295;
        --ok-soft:   #10301f;
        --warn:      #e0a34a;
        --warn-soft: #33250c;
        --bad:       #ff7a6e;
        --bad-soft:  #3a1614;
        --info:      #74b0f0;
        --info-soft: #11243a;

        --shadow-sm: 0 1px 2px rgb(0 0 0 / 40%);
        --shadow:    0 4px 16px rgb(0 0 0 / 45%);
        --shadow-lg: 0 20px 48px rgb(0 0 0 / 60%);
    }
}

:root[data-theme='dark'] {
    --bg:         #0b0e16;
    --bg-raised:  #141924;
    --bg-sunken:  #080b12;
    --bg-inverse: #f7f8fb;

    --ink:         #e9ecf4;
    --ink-soft:    #a7b0c4;
    --ink-faint:   #7c869c;
    --ink-inverse: #10131c;

    --line:        #242c3c;
    --line-strong: #37415a;

    --accent:      #7d90ff;
    --accent-ink:  #0b0e16;
    --accent-soft: #1d2440;
    --accent-deep: #9aa9ff;

    --ok:        #4ad295;
    --ok-soft:   #10301f;
    --warn:      #e0a34a;
    --warn-soft: #33250c;
    --bad:       #ff7a6e;
    --bad-soft:  #3a1614;
    --info:      #74b0f0;
    --info-soft: #11243a;

    --shadow-sm: 0 1px 2px rgb(0 0 0 / 40%);
    --shadow:    0 4px 16px rgb(0 0 0 / 45%);
    --shadow-lg: 0 20px 48px rgb(0 0 0 / 60%);
}

/* ---------------------------------------------------------------------------
   2. Base elements
   ------------------------------------------------------------------------ */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.2; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem); }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
p  { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--accent-deep); }

code, pre { font-family: var(--font-mono); font-size: .875em; }
code { background: var(--bg-sunken); padding: .1em .35em; border-radius: var(--radius-sm); }
code.wrap { overflow-wrap: anywhere; }

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

hr { border: 0; border-top: 1px solid var(--line); margin: var(--gap-lg) 0; }

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

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999;
    background: var(--accent);
    color: var(--accent-ink);
    padding: .75rem 1.25rem;
    border-radius: 0 0 var(--radius) 0;
    font-weight: 700;
}
.skip-link:focus { left: 0; }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.muted { color: var(--ink-faint); }

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .7rem;
    font-weight: 700;
    color: var(--ink-faint);
    margin: 0 0 .5rem;
}

.lead { font-size: 1.1rem; color: var(--ink-soft); }

.subhead {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-faint);
    margin: var(--gap-lg) 0 .5rem;
}

.link-arrow { font-weight: 600; font-size: .9rem; text-decoration: none; white-space: nowrap; }
.link-arrow::after { content: ' →'; }
.link-arrow:hover { text-decoration: underline; }

.back-link { margin-top: var(--gap-lg); }

/* ---------------------------------------------------------------------------
   3. Buttons, pills, badges
   ------------------------------------------------------------------------ */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .6rem 1.1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font: inherit;
    font-weight: 600;
    font-size: .925rem;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .15s, border-color .15s, transform .05s;
    white-space: nowrap;
}
.button:active { transform: translateY(1px); }
.button:disabled { opacity: .5; cursor: not-allowed; }

.button-primary { background: var(--accent); color: var(--accent-ink); }
.button-primary:hover:not(:disabled) { background: var(--accent-deep); color: var(--accent-ink); }

.button-ghost {
    background: var(--bg-raised);
    color: var(--ink);
    border-color: var(--line-strong);
}
.button-ghost:hover:not(:disabled) { background: var(--bg-sunken); color: var(--ink); }

.button-danger { background: transparent; color: var(--bad); border-color: var(--bad); }
.button-danger:hover:not(:disabled) { background: var(--bad-soft); color: var(--bad); }

.button-small { padding: .4rem .75rem; font-size: .85rem; }
.button-large { padding: .85rem 1.6rem; font-size: 1.05rem; }
.button-block { width: 100%; }

.pill {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .12rem .5rem;
    border-radius: 999px;
    background: var(--bg-sunken);
    color: var(--ink-soft);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .02em;
    text-transform: capitalize;
    white-space: nowrap;
}
.pill-ok, .pill-complete, .pill-live, .pill-active, .pill-approved { background: var(--ok-soft); color: var(--ok); }
.pill-bad, .pill-failed, .pill-lost, .pill-error, .pill-rejected, .pill-high { background: var(--bad-soft); color: var(--bad); }
.pill-warn, .pill-queued, .pill-pending, .pill-draft, .pill-medium { background: var(--warn-soft); color: var(--warn); }
.pill-info, .pill-running, .pill-researching, .pill-new, .pill-low { background: var(--info-soft); color: var(--info); }
.pill-soon {
    background: var(--accent-soft);
    color: var(--accent);
    text-transform: none;
}

.badge {
    display: inline-block;
    padding: .05rem .4rem;
    border-radius: var(--radius-sm);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .02em;
    vertical-align: middle;
}
.badge-verified  { background: var(--ok-soft); color: var(--ok); }
.badge-estimated { background: var(--warn-soft); color: var(--warn); }
.badge-unknown   { background: var(--bg-sunken); color: var(--ink-faint); }

/* Opportunity scores */
.score {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.4rem;
    padding: .2rem .5rem;
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}
.score-strong   { background: var(--ok-soft); color: var(--ok); }
.score-moderate { background: var(--info-soft); color: var(--info); }
.score-weak     { background: var(--warn-soft); color: var(--warn); }
.score-low      { background: var(--bg-sunken); color: var(--ink-faint); }
.score-big { font-size: 1.75rem; min-width: 4rem; padding: .4rem .8rem; }
.score-large { font-size: 2.5rem; font-weight: 800; }

.delta { font-size: .75rem; font-weight: 700; }
.delta-up { color: var(--ok); }
.delta-down { color: var(--bad); }

.chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .3rem .7rem;
    border-radius: 999px;
    background: var(--bg-sunken);
    color: var(--ink-soft);
    font-size: .85rem;
    font-weight: 600;
    text-decoration: none;
}
.chip:hover { background: var(--accent-soft); color: var(--accent); }
.chip-icon { width: 1rem; height: 1rem; fill: currentColor; }

/* ---------------------------------------------------------------------------
   4. Public site
   ------------------------------------------------------------------------ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}

.site-header-inner {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 1.25rem;
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: var(--gap);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -.02em;
}
.brand-mark { width: 1.6rem; height: 1.6rem; fill: var(--accent); flex: none; }

.site-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--gap-lg);
}

.site-nav-list {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: var(--ink-soft);
    font-weight: 600;
    font-size: .925rem;
    text-decoration: none;
    padding: .35rem 0;
    border-bottom: 2px solid transparent;
}
.site-nav-link:hover { color: var(--ink); }
.site-nav-link.is-current { color: var(--ink); border-bottom-color: var(--accent); }

.site-nav-actions { display: flex; align-items: center; gap: .6rem; }

/* Hamburger — a real button, labelled, keyboard operable */
.menu-button {
    display: none;
    align-items: center;
    gap: .5rem;
    margin-left: auto;
    padding: .5rem .8rem;
    background: var(--bg-raised);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    color: var(--ink);
    font: inherit;
    font-weight: 600;
    font-size: .9rem;
    cursor: pointer;
}
.menu-button:hover { background: var(--bg-sunken); }

.menu-bars { display: inline-flex; flex-direction: column; gap: 3px; width: 16px; }
.menu-bars span {
    display: block;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform .2s, opacity .2s;
}
.menu-button[aria-expanded='true'] .menu-bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.menu-button[aria-expanded='true'] .menu-bars span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded='true'] .menu-bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 60;
    background: rgb(8 11 18 / 55%);
}
.menu-backdrop[hidden] { display: none; }

.site-main {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
}

.hero {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 2rem 0 3.5rem;
}
.hero h1 { margin-bottom: 1rem; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.75rem 0 1rem; }
.hero-note { font-size: .875rem; color: var(--ink-faint); }

.hero-card {
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}
.hero-card-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: .5rem;
}
.hero-card-head span { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint); font-weight: 700; }
.hero-card h2 { font-size: 1.05rem; margin-bottom: 1rem; }
.hero-card-facts { margin: 0 0 1rem; display: grid; gap: .6rem; }
.hero-card-facts > div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px dashed var(--line); padding-bottom: .5rem; }
.hero-card-facts dt { color: var(--ink-faint); font-size: .875rem; }
.hero-card-facts dd { margin: 0; font-weight: 600; font-size: .875rem; }
.hero-card-foot { font-size: .8rem; color: var(--ink-faint); margin: 0; }

.section { padding: 3rem 0; }
.section-alt {
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin: 1rem 0;
}
.section-head { max-width: 42rem; margin-bottom: 2rem; }
.section-head p { color: var(--ink-soft); margin: 0; }

/* Three across on desktop, so the six cards form two even rows. */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1.25rem;
}
@media (min-width: 62rem) {
    .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    padding: 1.5rem;
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: border-color .15s, transform .15s, box-shadow .15s;
}
.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    color: inherit;
}
.feature-card-icon {
    display: inline-flex;
    width: 2.5rem; height: 2.5rem;
    align-items: center; justify-content: center;
    border-radius: var(--radius);
    background: var(--accent-soft);
}
.feature-card-icon svg { width: 1.25rem; height: 1.25rem; fill: var(--accent); }
.feature-card h3 { display: flex; align-items: center; gap: .5rem; margin: 0; }
.feature-card p { color: var(--ink-soft); font-size: .925rem; margin: 0; flex: 1; }
.feature-card-more { font-weight: 700; font-size: .875rem; color: var(--accent); }

.steps {
    list-style: none;
    counter-reset: step;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 1.5rem;
}
.steps li { position: relative; padding-top: 2.5rem; }
.step-number {
    position: absolute;
    top: 0; left: 0;
    display: inline-flex;
    width: 1.9rem; height: 1.9rem;
    align-items: center; justify-content: center;
    border-radius: 999px;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 800;
    font-size: .875rem;
}
.steps h3 { font-size: 1rem; }
.steps p { color: var(--ink-soft); font-size: .9rem; margin: 0; }

.split {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.tick-list { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: .5rem; }
.tick-list li { position: relative; padding-left: 1.6rem; color: var(--ink-soft); }
.tick-list li::before {
    content: '';
    position: absolute;
    left: 0; top: .45em;
    width: .85rem; height: .85rem;
    border-radius: 999px;
    background: var(--ok-soft);
    box-shadow: inset 0 0 0 2px var(--ok);
}
.tick-list-tight li { font-size: .9rem; }
.tick-list-bad li::before { background: var(--bad-soft); box-shadow: inset 0 0 0 2px var(--bad); }
.tick-list-pending li::before { background: var(--bg-sunken); box-shadow: inset 0 0 0 2px var(--line-strong); }

.page-hero { max-width: 46rem; padding: 2.5rem 0 1rem; }

.fact-row {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 1.75rem 0 0;
    padding: 1.25rem 0 0;
    border-top: 1px solid var(--line);
}
.fact-row dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); font-weight: 700; }
.fact-row dd { margin: .25rem 0 0; font-weight: 700; }

.prose-sections { max-width: 46rem; }
.prose-section { padding: 2rem 0; border-top: 1px solid var(--line); }
.prose-section p { color: var(--ink-soft); }

.callout {
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: .85rem 1.1rem;
    font-size: .925rem;
    color: var(--ink);
}
.callout-inline { margin-bottom: var(--gap-lg); }

.cta-band {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 3rem;
    padding: 2rem 2.5rem;
    background: var(--bg-inverse);
    color: var(--ink-inverse);
    border-radius: var(--radius-lg);
}
.cta-band h2 { margin: 0 0 .35rem; }
.cta-band p { margin: 0; opacity: .8; }

.route-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
    gap: .35rem;
}
.route-list code { display: block; padding: .3rem .5rem; }

.site-footer {
    border-top: 1px solid var(--line);
    background: var(--bg-raised);
    margin-top: 4rem;
}
.site-footer-inner {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 3rem 1.25rem 2rem;
    display: grid;
    grid-template-columns: 1.3fr 2fr;
    gap: 3rem;
}
.site-footer-brand p { color: var(--ink-faint); font-size: .875rem; margin-top: .75rem; max-width: 28rem; }
.site-footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.site-footer-links h2 { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); }
.site-footer-links ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.site-footer-links a { color: var(--ink-soft); text-decoration: none; font-size: .9rem; }
.site-footer-links a:hover { color: var(--accent); text-decoration: underline; }
.site-footer-base {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 1.25rem;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    font-size: .8rem;
    color: var(--ink-faint);
}
.site-footer-base p { margin: 0; }

/* ---------------------------------------------------------------------------
   5. Auth and onboarding
   ------------------------------------------------------------------------ */

.body-auth { min-height: 100vh; }

.auth-shell {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.auth-story {
    background: var(--bg-inverse);
    color: var(--ink-inverse);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}
.auth-story .brand { color: var(--ink-inverse); }
.auth-story .brand-mark { fill: var(--ink-inverse); }
.auth-story-copy { margin-top: auto; }
.auth-story-copy .eyebrow { color: currentColor; opacity: .55; }
.auth-story-copy h1 em { font-style: normal; opacity: .6; }
.auth-story-copy p { opacity: .75; max-width: 26rem; }
.auth-story-points { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; opacity: .7; font-size: .9rem; }
.auth-story-points li { padding-left: 1.2rem; position: relative; }
.auth-story-points li::before { content: '—'; position: absolute; left: 0; }

.auth-panel {
    display: flex;
    flex-direction: column;
    padding: 2rem;
}
.auth-panel-top { display: flex; justify-content: flex-end; }
.auth-main { margin: auto; width: 100%; max-width: 26rem; padding: 2rem 0; }
.auth-foot { text-align: center; font-size: .875rem; }
.auth-foot a { color: var(--ink-faint); text-decoration: none; }

.auth-form h1 { font-size: 1.75rem; }
.auth-form-lead { color: var(--ink-soft); margin-bottom: 1.75rem; }
.auth-form .field { margin-bottom: 1.1rem; }
.auth-form .button-block { margin-top: .5rem; }
.auth-switch { margin-top: 1.25rem; font-size: .9rem; color: var(--ink-soft); text-align: center; }
.auth-form-wide { max-width: 34rem; }

.progress-steps {
    display: flex;
    gap: .75rem;
    list-style: none;
    margin: 0 0 2rem;
    padding: 0;
    font-size: .8rem;
    color: var(--ink-faint);
    flex-wrap: wrap;
}
.progress-steps li { display: flex; align-items: center; gap: .4rem; }
.progress-steps span {
    display: inline-flex;
    width: 1.35rem; height: 1.35rem;
    align-items: center; justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    font-weight: 700;
    font-size: .7rem;
}
.progress-steps .is-done span { background: var(--ok); border-color: var(--ok); color: #fff; }
.progress-steps .is-current { color: var(--ink); font-weight: 700; }
.progress-steps .is-current span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ---------------------------------------------------------------------------
   6. Application shell and sidebar
   ------------------------------------------------------------------------ */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    position: sticky;
    top: 0;
    width: var(--sidebar-width);
    flex: none;
    height: 100vh;
    overflow-y: auto;
    background: var(--bg-raised);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    padding: 1.25rem 0;
    scrollbar-width: thin;
}

.sidebar-top { display: flex; align-items: center; justify-content: space-between; padding: 0 1.25rem 1.25rem; }
.sidebar-close { display: none; background: none; border: 0; font-size: 1.75rem; line-height: 1; color: var(--ink-faint); cursor: pointer; }

.sidebar-project {
    margin: 0 1rem 1.25rem;
    padding: .85rem;
    background: var(--bg-sunken);
    border-radius: var(--radius);
    display: grid;
    gap: .15rem;
}
.sidebar-project-label { font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint); font-weight: 700; }
.sidebar-project strong { font-size: .925rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-project-domain { font-size: .8rem; color: var(--ink-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-project-switch { font-size: .78rem; margin-top: .35rem; }

.sidebar-nav { flex: 1; padding: 0 .75rem; }
.sidebar-group + .sidebar-group { margin-top: 1.25rem; }
.sidebar-group-title {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--ink-faint);
    font-weight: 700;
    margin: 0 0 .35rem .5rem;
}
.sidebar-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; }

.sidebar-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .5rem .5rem;
    border-radius: var(--radius-sm);
    color: var(--ink-soft);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
}
.sidebar-link:hover { background: var(--bg-sunken); color: var(--ink); }
.sidebar-link.is-current { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.sidebar-link.is-current .sidebar-icon { fill: var(--accent); }
.sidebar-icon { width: 1.05rem; height: 1.05rem; fill: var(--ink-faint); flex: none; }
.sidebar-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-link-button { width: 100%; background: none; border: 0; font: inherit; cursor: pointer; text-align: left; }
.sidebar-logout { margin: 0; }

.sidebar-foot {
    padding: 1rem 1.25rem 0;
    margin-top: 1.25rem;
    border-top: 1px solid var(--line);
    display: grid;
    gap: .85rem;
}
.sidebar-user { display: flex; align-items: center; gap: .6rem; }
.avatar {
    display: inline-flex;
    width: 2rem; height: 2rem;
    align-items: center; justify-content: center;
    border-radius: 999px;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 800;
    font-size: .85rem;
    flex: none;
}
.sidebar-user-detail { display: grid; line-height: 1.3; overflow: hidden; }
.sidebar-user-detail strong { font-size: .875rem; }
.sidebar-user-detail small { font-size: .75rem; color: var(--ink-faint); }

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.app-header {
    position: sticky;
    top: 0;
    z-index: 40;
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: var(--gap);
    padding: 0 1.5rem;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}
.menu-button-app { margin-left: 0; }

.breadcrumbs { flex: 1; min-width: 0; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; margin: 0; padding: 0; font-size: .85rem; color: var(--ink-faint); }
.breadcrumbs li + li::before { content: '/'; margin-right: .4rem; color: var(--line-strong); }
.breadcrumbs a { color: var(--ink-faint); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs [aria-current='page'] { color: var(--ink); font-weight: 600; }

.app-header-actions { display: flex; align-items: center; gap: .6rem; margin-left: auto; }

.app-content { flex: 1; padding: 1.75rem 1.5rem 4rem; max-width: 90rem; width: 100%; }

.page-title {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: var(--gap-lg);
}
.page-title h1 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); margin: 0; }
.page-subtitle { color: var(--ink-soft); margin: .35rem 0 0; }

/* ---------------------------------------------------------------------------
   7. Panels, tables, metrics
   ------------------------------------------------------------------------ */

.panel {
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: var(--gap-lg);
}
.panel-highlight { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.panel-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
/* Let the title block flex so a trailing score or action stays on the same row. */
.panel-head > div:first-child { flex: 1 1 14rem; min-width: 0; }
.panel-head h2 { margin: 0; }
.panel-head p { margin: .25rem 0 0; color: var(--ink-soft); font-size: .9rem; }
.panel-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.panel-actions form { margin: 0; }
.panel-note { font-size: .875rem; color: var(--ink-soft); margin-top: 1rem; }
.panel-quiet { background: var(--bg-sunken); }

.columns { display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--gap-lg); align-items: start; }
.detail-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: var(--gap-lg); align-items: start; }
.detail-grid-reverse { grid-template-columns: 1fr 1.8fr; }
.stack { display: grid; gap: 0; align-content: start; }

.metric-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
    gap: .75rem;
    margin-bottom: var(--gap-lg);
}
.metric {
    display: grid;
    gap: .15rem;
    padding: .9rem 1rem;
    background: var(--bg-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
}
a.metric:hover { border-color: var(--accent); color: inherit; }
.metric-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); font-weight: 700; }
.metric-value { font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.2; }
.metric-note { font-size: .75rem; color: var(--ink-faint); }

.table-wrap { overflow-x: auto; margin: 0 -1.5rem; padding: 0 1.5rem; }

.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th {
    text-align: left;
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--ink-faint);
    font-weight: 700;
    padding: .5rem .75rem;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}
.data-table td { padding: .7rem .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: var(--bg-sunken); }
.data-table .align-right, .data-table th.align-right { text-align: right; }
.data-table .align-center, .data-table th.align-center { text-align: center; }
.table-empty { text-align: center; color: var(--ink-faint); padding: 2rem; }

.cell-primary { display: block; font-weight: 600; color: var(--ink); text-decoration: none; }
a.cell-primary:hover { color: var(--accent); text-decoration: underline; }
.cell-secondary { display: block; font-size: .78rem; color: var(--ink-faint); margin-top: .15rem; }
.checksum { font-size: .75rem; }

.mini-stats { display: grid; gap: .5rem; margin: 0; }
.mini-stats > div { display: flex; justify-content: space-between; gap: 1rem; font-size: .9rem; border-bottom: 1px dashed var(--line); padding-bottom: .4rem; }
.mini-stats dt { color: var(--ink-soft); }
.mini-stats dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }

.mini-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.mini-list li { display: flex; align-items: center; gap: .6rem; font-size: .85rem; }
.mini-list li span:nth-child(2) { flex: 1; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.detail-list { display: grid; gap: .75rem; margin: 0; }
.detail-list > div { display: grid; gap: .1rem; }
.detail-list dt { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); font-weight: 700; }
.detail-list dd { margin: 0; }

.progress-bar { width: 8rem; height: .45rem; background: var(--bg-sunken); border-radius: 999px; overflow: hidden; }
.progress-bar span { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.progress-bar span.is-warn { background: var(--warn); }
.progress-bar-slim { width: 100%; height: .35rem; }

.step-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.step-list li { display: flex; gap: .75rem; align-items: flex-start; }
.step-list li p { margin: .1rem 0 0; font-size: .85rem; color: var(--ink-faint); }
.step-list a { font-weight: 600; text-decoration: none; }
.step-list a:hover { text-decoration: underline; }
.step-check {
    display: inline-flex;
    width: 1.25rem; height: 1.25rem;
    flex: none;
    margin-top: .2rem;
    align-items: center; justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
}
.step-list .is-done .step-check { background: var(--ok); border-color: var(--ok); }
.step-list .is-done .step-check svg { width: .8rem; height: .8rem; fill: #fff; }
.step-list .is-done a { color: var(--ink-faint); text-decoration: line-through; }

.factor-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.factor-head { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .35rem; }
.factor-points { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--ink-soft); font-size: .875rem; }
.factor-bar { height: .5rem; background: var(--bg-sunken); border-radius: 999px; overflow: hidden; }
.factor-bar span { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.factor-note { font-size: .875rem; color: var(--ink-soft); margin: .45rem 0 .35rem; }
.factor-meta { display: flex; flex-wrap: wrap; gap: 1.25rem; margin: 0; }
.factor-meta dt { font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); font-weight: 700; }
.factor-meta dd { margin: 0; font-size: .85rem; font-weight: 600; font-variant-numeric: tabular-nums; }

.evidence-list { list-style: none; margin: 1rem 0 0; padding: 0; display: grid; gap: .35rem; font-size: .85rem; }

.project-grid, .module-grid, .integration-grid, .plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
    gap: 1rem;
}
.project-card, .module-card, .integration-card, .plan-card {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    padding: 1.25rem;
    background: var(--bg-sunken);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.project-card.is-active, .module-card.is-enabled, .integration-card.is-configured, .plan-card.is-current {
    border-color: var(--accent);
    background: var(--bg-raised);
}
.project-card header, .module-card header, .integration-card header, .plan-card header {
    display: flex; align-items: flex-start; justify-content: space-between; gap: .75rem;
}
.project-card h3, .module-card h2, .integration-card h2, .plan-card h3 { margin: 0; font-size: 1.05rem; }
.project-domain { font-size: .85rem; color: var(--ink-faint); margin: 0; }
.project-market { font-size: .85rem; color: var(--ink-soft); margin: 0; }
.project-stats, .module-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: .4rem; margin: .35rem 0 0; }
.project-stats > div, .module-stats > div { display: flex; justify-content: space-between; font-size: .8rem; }
.project-stats dt, .module-stats dt { color: var(--ink-faint); }
.project-stats dd, .module-stats dd { margin: 0; font-weight: 700; }
.project-actions, .module-actions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; padding-top: .75rem; }
.project-actions form, .module-actions form { margin: 0; }
.module-meta { font-size: .8rem; color: var(--ink-faint); margin: 0; }
.module-schemas { font-size: .78rem; color: var(--ink-faint); margin: 0; }
.integration-note { font-size: .8rem; color: var(--ink-faint); }
.plan-price { font-size: 1.5rem; font-weight: 800; margin: 0; }
.plan-price span { font-size: .8rem; font-weight: 500; color: var(--ink-faint); }

.usage-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.usage-head { display: flex; justify-content: space-between; font-size: .875rem; margin-bottom: .25rem; }

.pairing { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-bottom: 1rem; }
.pairing-side { display: grid; gap: .2rem; }
.pairing-role { font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint); font-weight: 700; }
.pairing-side strong { font-size: 1.15rem; }
.pairing-plus { font-size: 1.5rem; color: var(--ink-faint); }

.select-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; max-height: 32rem; overflow-y: auto; }
.select-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    padding: .5rem .65rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--ink-soft);
    font-size: .875rem;
}
.select-list-item:hover { background: var(--bg-sunken); color: var(--ink); }
.select-list-item.is-current { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.select-list-value { font-variant-numeric: tabular-nums; font-weight: 700; }

.sparkline { display: flex; align-items: flex-end; gap: 2px; height: 4rem; margin-bottom: 1rem; }
.sparkline-bar { flex: 1; min-height: 2px; background: var(--accent); border-radius: 2px 2px 0 0; opacity: .8; }

.code-block {
    background: var(--bg-inverse);
    color: var(--ink-inverse);
    padding: 1rem;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: .8rem;
    line-height: 1.6;
}
.code-block code { background: none; padding: 0; color: inherit; }

.soon-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.35rem;
    background: var(--accent-soft);
    border-radius: var(--radius-lg);
    margin-bottom: var(--gap-lg);
}
.soon-banner p { margin: 0; flex: 1; min-width: 14rem; font-size: .95rem; }

.option-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.option-link {
    display: grid;
    gap: .2rem;
    padding: .85rem 1rem;
    background: var(--bg-sunken);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
}
.option-link:hover { border-color: var(--accent); color: inherit; }
.option-link strong { color: var(--accent); }
.option-link span { font-size: .875rem; color: var(--ink-soft); }

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .6rem;
    padding: .75rem 0 1rem;
    border-bottom: 1px solid var(--line);
    margin-bottom: 1rem;
    font-size: .85rem;
}
.filter-bar label { color: var(--ink-faint); font-weight: 600; }
.filter-bar select { padding: .35rem .6rem; font-size: .85rem; }

.warning-list { font-size: .85rem; color: var(--warn); display: grid; gap: .3rem; padding-left: 1.2rem; }

.import-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.25rem; }
.import-actions form { margin: 0; }
.inline-form { display: inline-block; margin: 0 .25rem 0 0; }
.danger-form { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }

/* ---------------------------------------------------------------------------
   8. Forms and dialogs
   ------------------------------------------------------------------------ */

.field { display: grid; gap: .3rem; margin-bottom: 1rem; }
.field label { font-size: .85rem; font-weight: 600; }
.field-optional { font-weight: 400; color: var(--ink-faint); font-size: .78rem; }
.field-hint { font-size: .78rem; color: var(--ink-faint); margin: 0; }

input[type='text'], input[type='email'], input[type='password'], input[type='url'],
input[type='number'], input[type='date'], input[type='search'], select, textarea {
    width: 100%;
    padding: .55rem .7rem;
    background: var(--bg);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    color: var(--ink);
    font: inherit;
    font-size: .925rem;
}
textarea { resize: vertical; min-height: 4rem; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input[aria-invalid='true'], select[aria-invalid='true'], textarea[aria-invalid='true'] {
    border-color: var(--bad);
    background: var(--bad-soft);
}
input::placeholder, textarea::placeholder { color: var(--ink-faint); opacity: .7; }

.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.field-wide { grid-column: 1 / -1; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.field-inline { grid-template-columns: 9rem 1fr; align-items: center; gap: .75rem; }

.field-set { border: 0; padding: 0; margin: 0 0 1.25rem; }
.field-set legend {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-faint);
    font-weight: 700;
    padding: 0 0 .6rem;
}

.checkbox { display: flex; align-items: center; gap: .5rem; font-weight: 400; }
.checkbox input { width: auto; }

.score-input { display: flex; align-items: center; gap: .75rem; }
.score-input input[type='range'] { flex: 1; accent-color: var(--accent); }
.score-output {
    min-width: 2.25rem;
    text-align: center;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    background: var(--bg-sunken);
    border-radius: var(--radius-sm);
    padding: .1rem .35rem;
    font-size: .85rem;
}

.stacked-form { display: grid; gap: 0; }
.stacked-form-tight { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.inline-record-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: .75rem; }
.inline-record-form .field { margin-bottom: 0; min-width: 8rem; }
.status-form { display: grid; gap: .5rem; }

.upload-form { display: grid; gap: 1rem; justify-items: start; }
.upload-drop {
    position: relative;
    width: 100%;
    padding: 2rem;
    border: 2px dashed var(--line-strong);
    border-radius: var(--radius-lg);
    text-align: center;
    background: var(--bg-sunken);
    transition: border-color .15s, background-color .15s;
}
.upload-drop.is-dragging { border-color: var(--accent); background: var(--accent-soft); }
.upload-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.upload-drop label { display: grid; gap: .3rem; justify-items: center; cursor: pointer; }
.upload-drop span { font-size: .875rem; color: var(--ink-faint); }
.upload-icon { width: 2rem; height: 2rem; fill: var(--ink-faint); }

.modal {
    width: min(46rem, calc(100vw - 2rem));
    max-height: calc(100vh - 4rem);
    padding: 1.75rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--bg-raised);
    color: var(--ink);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
}
.modal::backdrop { background: rgb(8 11 18 / 55%); backdrop-filter: blur(2px); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: .5rem; }
.modal-head h2 { margin: 0; }
.modal-close { background: none; border: 0; font-size: 1.75rem; line-height: 1; color: var(--ink-faint); cursor: pointer; padding: 0 .25rem; }
.modal-intro { color: var(--ink-soft); font-size: .9rem; margin-bottom: 1.25rem; }
.modal-form { margin-top: .5rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.modal-actions-split { justify-content: space-between; }
.modal-actions-split span { display: flex; gap: .6rem; }

.theme-control {
    display: inline-flex;
    padding: 2px;
    background: var(--bg-sunken);
    border-radius: 999px;
    gap: 2px;
}
.theme-option {
    display: inline-flex;
    width: 1.9rem; height: 1.9rem;
    align-items: center; justify-content: center;
    border: 0;
    border-radius: 999px;
    background: none;
    color: var(--ink-faint);
    cursor: pointer;
    padding: 0;
}
.theme-option svg { width: 1rem; height: 1rem; fill: currentColor; }
.theme-option:hover { color: var(--ink); }
.theme-option[aria-pressed='true'] { background: var(--bg-raised); color: var(--accent); box-shadow: var(--shadow-sm); }

/* ---------------------------------------------------------------------------
   9. States
   ------------------------------------------------------------------------ */

.notices { display: grid; gap: .6rem; margin-bottom: var(--gap-lg); }
.notice {
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    padding: .85rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--bg-raised);
    font-size: .9rem;
}
.notice p { margin: 0; }
.notice-icon { width: 1.1rem; height: 1.1rem; flex: none; margin-top: .1rem; fill: currentColor; }
.notice-success { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.notice-error   { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }
.notice-warning { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }
.notice-info    { background: var(--info-soft); border-color: var(--info); color: var(--info); }
.notice-compact { padding: .6rem .75rem; font-size: .82rem; }
.notice a { color: inherit; font-weight: 700; }
.notice-dismiss { margin-left: auto; background: none; border: 0; font-size: 1.25rem; line-height: 1; color: inherit; opacity: .6; cursor: pointer; padding: 0 .2rem; }
.notice-dismiss:hover { opacity: 1; }

.empty-state {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: .6rem;
    padding: 3rem 1.5rem;
    background: var(--bg-sunken);
    border-radius: var(--radius);
}
.empty-state h2, .empty-state h3 { margin: 0; font-size: 1.1rem; }
.empty-state p { margin: 0; color: var(--ink-soft); max-width: 34rem; font-size: .925rem; }
.empty-state .button { margin-top: .5rem; }
.empty-state-icon {
    display: inline-flex;
    width: 3rem; height: 3rem;
    align-items: center; justify-content: center;
    border-radius: var(--radius);
    background: var(--bg-raised);
    margin-bottom: .25rem;
}
.empty-state-icon svg { width: 1.4rem; height: 1.4rem; fill: var(--ink-faint); }
.empty-state-hints {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: grid;
    gap: .3rem;
    font-size: .82rem;
    color: var(--ink-faint);
    text-align: left;
    max-width: 30rem;
}
.empty-state-hints li { padding-left: 1rem; position: relative; }
.empty-state-hints li::before { content: '·'; position: absolute; left: .3rem; font-weight: 700; }
.empty-state-compact { padding: 2rem 1rem; }

.loading-state {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    background: var(--info-soft);
    border-radius: var(--radius);
}
.loading-state strong { display: block; color: var(--info); }
.loading-state p { margin: .2rem 0 0; font-size: .875rem; color: var(--ink-soft); }

.spinner {
    display: inline-block;
    width: 1.1rem; height: 1.1rem;
    flex: none;
    margin-top: .2rem;
    border: 2px solid color-mix(in srgb, var(--info) 30%, transparent);
    border-top-color: var(--info);
    border-radius: 999px;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.button-spinner { display: none; width: .9rem; height: .9rem; border: 2px solid rgb(255 255 255 / 35%); border-top-color: currentColor; border-radius: 999px; animation: spin .7s linear infinite; }
.button.is-busy .button-spinner { display: inline-block; }
.button.is-busy { pointer-events: none; opacity: .8; }

.field-error { font-size: .8rem; color: var(--bad); font-weight: 600; margin: 0; }

.body-error { display: grid; place-items: center; min-height: 100vh; background: var(--bg); color: var(--ink); }
.error-card { max-width: 34rem; padding: 2rem; text-align: center; }
.error-status { font-size: 4rem; font-weight: 800; color: var(--ink-faint); margin: 0; line-height: 1; }
.error-message { color: var(--ink-soft); }
.error-actions { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin: 1.5rem 0; }
.error-foot, .error-version { font-size: .8rem; color: var(--ink-faint); }

/* ---------------------------------------------------------------------------
   10. Responsive
   ------------------------------------------------------------------------ */

@media (max-width: 1100px) {
    .columns, .detail-grid, .detail-grid-reverse, .split, .hero { grid-template-columns: 1fr; }
    .hero { gap: 2rem; }
}

/* Tablet: sidebar collapses to icons, labels stay available to assistive tech */
@media (min-width: 901px) and (max-width: 1180px) {
    :root { --sidebar-width: 4.5rem; }

    .sidebar-label, .sidebar-group-title, .sidebar-project, .brand-word,
    .sidebar-user-detail, .sidebar-link .pill { display: none; }
    .sidebar-top { justify-content: center; padding: 0 0 1rem; }
    .sidebar-nav { padding: 0 .5rem; }
    .sidebar-link { justify-content: center; padding: .6rem 0; }
    .sidebar-foot { padding: 1rem .5rem 0; justify-items: center; }
    .theme-control { flex-direction: column; }
}

/* Mobile: both menus become panels opened by the labelled Menu button */
@media (max-width: 900px) {
    .menu-button { display: inline-flex; }

    .site-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        z-index: 70;
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
        padding: 1.5rem 1.25rem 2rem;
        background: var(--bg-raised);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow-lg);
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        transform: translateY(-8px);
        opacity: 0;
        visibility: hidden;
        transition: opacity .18s, transform .18s, visibility .18s;
    }
    .site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
    .site-nav-list { flex-direction: column; align-items: stretch; gap: 0; }
    /* Full width so each divider spans the panel rather than just the label. */
    .site-nav-link {
        display: flex;
        justify-content: space-between;
        width: 100%;
        padding: .85rem 0;
        border-bottom: 1px solid var(--line);
        font-size: 1rem;
    }
    .site-nav-link.is-current { border-bottom-color: var(--accent); }
    .site-nav-actions { flex-wrap: wrap; justify-content: space-between; }
    .site-nav-actions .button { flex: 1; }

    .sidebar {
        position: fixed;
        top: 0; bottom: 0; left: 0;
        z-index: 70;
        width: min(19rem, 85vw);
        transform: translateX(-100%);
        transition: transform .2s ease;
        box-shadow: var(--shadow-lg);
    }
    .sidebar.is-open { transform: translateX(0); }
    .sidebar-close { display: block; }

    .app-content { padding: 1.25rem 1rem 3rem; }
    .app-header { padding: 0 1rem; }
    .breadcrumbs { display: none; }

    .auth-shell { grid-template-columns: 1fr; }
    .auth-story { padding: 2rem 1.5rem; gap: 1.5rem; }
    .auth-story-points { display: none; }

    .site-footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .site-footer-links { grid-template-columns: repeat(2, 1fr); }

    .field-grid, .field-row { grid-template-columns: 1fr; }
    .field-inline { grid-template-columns: 1fr; }

    .section-alt { padding: 1.5rem; }
    .cta-band { padding: 1.5rem; }
    .panel { padding: 1.1rem; }
    .table-wrap { margin: 0 -1.1rem; padding: 0 1.1rem; }
    .modal { padding: 1.25rem; }
    .modal-actions-split { flex-direction: column-reverse; align-items: stretch; }
    .modal-actions-split span { flex-direction: column; }
}

@media (max-width: 480px) {
    .metric-row { grid-template-columns: repeat(2, 1fr); }
    .hero-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

@media print {
    .sidebar, .app-header, .site-header, .site-footer, .page-actions,
    .panel-actions, .menu-button, .theme-control { display: none !important; }
    .app-content, .site-main { padding: 0; max-width: none; }
    .panel { break-inside: avoid; border-color: #ccc; }
    body { background: #fff; color: #000; }
}

/* Installer -------------------------------------------------------------- */

.install-summary { margin: 1.25rem 0; }

.install-detail { margin-top: 1rem; border-top: 1px solid var(--line); padding-top: .75rem; }
.install-detail summary { cursor: pointer; font-size: .85rem; color: var(--ink-soft); font-weight: 600; }
.install-detail summary:hover { color: var(--ink); }
.install-detail[open] summary { margin-bottom: .6rem; }
.install-detail .code-block { font-size: .8rem; }

/* The installer sits in the auth shell, which is narrower than a dashboard
   panel, so its pre blocks need to wrap rather than force a sideways scroll. */
.body-auth .code-block { white-space: pre-wrap; word-break: break-word; }

/* A value the person did not set must never read as one they did. */
.value-origin { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
                padding: .1rem .35rem; border-radius: .25rem; margin-left: .4rem; vertical-align: middle; }
.value-origin-default { background: var(--warn-soft); color: var(--warn); }

/* Getting-started video ---------------------------------------------------- */

.video-panel .video-frame {
    position: relative; width: 100%; aspect-ratio: 16 / 9;
    background: var(--bg-sunken); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden; margin-top: .5rem;
}
.video-panel video,
.video-panel iframe { display: block; width: 100%; height: 100%; border: 0; }

/* Click-to-load YouTube placeholder. */
.video-embed { display: grid; place-items: center; gap: .75rem; }
.video-play {
    display: inline-flex; align-items: center; gap: .6rem;
    background: var(--accent); color: var(--accent-ink);
    border: 0; border-radius: 999px; padding: .8rem 1.5rem;
    font: inherit; font-weight: 700; cursor: pointer;
}
.video-play:hover { background: var(--accent-deep); }
.video-play-icon { font-size: .85em; }
.video-note { font-size: .8rem; color: var(--ink-faint); margin: 0; }

/* Legal links (1.2.2) ------------------------------------------------------
   Under "Data sources" in the site footer, and as a slim strip at the foot of
   the workspace, sign-in and error screens. */

.legal-foot .wrap { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; }
.legal-foot a { color: var(--ink-soft); text-decoration: none; font-size: .9rem; }
.legal-foot a:hover { color: var(--accent); text-decoration: underline; }

.legal-foot-inline { margin-top: 1rem; padding-top: .9rem; border-top: 1px solid var(--line); }
.legal-foot-inline .wrap { flex-direction: column; gap: .4rem; }

.legal-foot-strip { border-top: 1px solid var(--line); padding: 1rem 1.5rem; }
.legal-foot-strip a { font-size: .8rem; color: var(--ink-faint); }
.body-auth .legal-foot-strip { border-top: 0; padding: .5rem 0 1.5rem; }
.body-auth .legal-foot-strip .wrap,
.body-error .legal-foot-strip .wrap { justify-content: center; }
.body-error .legal-foot-strip { position: fixed; left: 0; right: 0; bottom: 0; border-top: 0; }

@media print { .legal-foot { display: none !important; } }

/* Competitors auto-fill and suggestions (1.2.3) ----------------------------- */

.autofill { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; margin: .25rem 0 1rem; }
.autofill .checkbox { font-size: .875rem; color: var(--ink-soft); }
.autofill-status { flex-basis: 100%; margin: 0; font-size: .85rem; color: var(--ink-soft); min-height: 1.2em; }
.is-autofilled { background: color-mix(in srgb, var(--accent) 7%, transparent); }

.competitor-suggest { margin-bottom: var(--gap-lg, 1.5rem); }
.suggest-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.suggest-list li { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 1rem;
    padding: .6rem 0; border-bottom: 1px solid var(--line); }
.suggest-list li:last-child { border-bottom: 0; }
.suggest-domain { font-weight: 600; }
.suggest-meta { color: var(--ink-faint); font-size: .85rem; flex: 1; }
.suggest-list form { margin: 0; }
.field-extra .autofill { margin: -.25rem 0 .25rem; }

/* Research from URL (1.2.4) */
.research-form { max-width: 44rem; }
.research-parts { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; }
.research-setup { display: grid; grid-template-columns: minmax(8rem, 12rem) 1fr; gap: .5rem 1rem; margin: 0; font-size: .9rem; }
.research-setup dt { font-weight: 700; }
.research-setup dd { margin: 0; color: var(--ink-soft); }
.research-progress { height: .6rem; background: var(--bg-sunken); border-radius: 999px; overflow: hidden; margin: .75rem 0 .35rem; }
.research-progress span { display: block; height: 100%; background: var(--accent); border-radius: 999px; transition: width .4s ease; }
.research-created { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 1rem 0; }
.research-created a { display: inline-flex; gap: .35rem; align-items: baseline; padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--ink); font-size: .85rem; }
.research-created strong { font-size: 1rem; }
.research-log { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; font-size: .85rem; max-height: 26rem; overflow-y: auto; }
.research-log li { line-height: 1.45; overflow-wrap: anywhere; }
.research-log time { color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.research-clusters { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.research-clusters h3 { margin: 0 0 .35rem; font-size: 1rem; }
.research-clusters p { margin: 0; font-size: .85rem; color: var(--ink-soft); }
.research-serp { padding-left: 1.25rem; display: grid; gap: .4rem; font-size: .88rem; }
.research-serp .cell-secondary { display: block; }
.research-unsaved { white-space: pre-wrap; font-size: .8rem; max-height: 20rem; overflow: auto; background: var(--bg-sunken); padding: .75rem; border-radius: .5rem; }
.research-callout { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; }
@media (max-width: 40rem) { .research-setup { grid-template-columns: 1fr; } }
[data-status="done"] .research-log, [data-status="failed"] .research-log { max-height: none; }

/* Gap research (1.2.5) */
.gap-why { margin-top: .35rem; font-size: .85rem; }
.gap-why summary { cursor: pointer; color: var(--accent); }
.gap-why ul { margin: .4rem 0; padding-left: 1.1rem; }
.gap-why p { margin: .3rem 0; }
.gap-table td { vertical-align: top; }
.geo-checks dt { display: flex; gap: .4rem; align-items: center; }
.geo-bots { list-style: none; padding: 0; display: grid; gap: .3rem; }

/* Keyword difficulty (1.2.6) */
.kd { display: inline-block; min-width: 2.2rem; padding: .1rem .4rem; border-radius: .4rem; font-weight: 700; text-align: center; }
.kd-very-easy, .kd-easy { background: var(--ok-soft); color: var(--ok); }
.kd-possible { background: var(--info-soft); color: var(--info); }
.kd-difficult { background: var(--warn-soft); color: var(--warn); }
.kd-hard, .kd-very-hard { background: var(--bad-soft); color: var(--bad); }
.keyword-metrics-panel { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between; }
.keyword-metrics-panel .panel-actions form { margin: 0; }
.platform-picks { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: .75rem; padding-left: 1.2rem; margin: 0; }
.platform-picks > li { padding: .75rem .9rem; border: 1px solid var(--line); border-radius: .6rem; }
.platform-pick-head { display: flex; gap: .5rem; align-items: center; justify-content: space-between; margin-bottom: .35rem; }
.platform-picks ul { margin: .2rem 0 .4rem; padding-left: 1rem; font-size: .85rem; }
/* Integrations (1.2.6) */
.integration-card header { display: flex; gap: .5rem; align-items: center; justify-content: space-between; }
.integration-test { font-size: .85rem; padding: .45rem .6rem; border-radius: .5rem; overflow-wrap: anywhere; }
.integration-test.is-ok { background: var(--ok-soft); }
.integration-test.is-bad { background: var(--bad-soft); }
.setup-steps { padding-left: 1.2rem; font-size: .85rem; display: grid; gap: .35rem; overflow-wrap: anywhere; }
.integration-card .panel-actions form { margin: 0; }