/* ==========================================
   AI HUMANIZER: DESIGN SYSTEM
   ========================================== */

:root {
    /* Surfaces */
    --bg: #FAF9F6;
    --bg-subtle: #F3F1EC;
    --surface: #FFFFFF;

    /* Text */
    --ink: #16171B;
    --ink-2: #4B4E57;
    --ink-3: #8B8E97;

    /* Lines */
    --line: #E8E5DE;
    --line-strong: #D9D5CB;

    /* Brand */
    --accent: #F0542C;
    --accent-hover: #DE4620;
    --accent-ink: #C2401C;
    --accent-soft: #FDEDE6;
    --highlight: #FFE07A;

    /* Status */
    --success: #12805C;
    --success-soft: #E4F4EC;
    --danger: #D23B3B;
    --danger-soft: #FCEBEB;
    --warning: #B7791F;
    --warning-soft: #FDF4DF;

    /* Editor change map */
    --change-new: #C2401C;
    --change-new-bg: rgba(240, 84, 44, .09);
    --change-moved: #E3A008;
    --change-kept: #1C4F95;
    --change-kept-bg: rgba(42, 120, 214, .12);

    /* Shape & depth */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(22, 23, 27, .06);
    --shadow: 0 1px 2px rgba(22, 23, 27, .04), 0 6px 20px -8px rgba(22, 23, 27, .10);
    --shadow-lg: 0 28px 56px -16px rgba(22, 23, 27, .24), 0 2px 6px rgba(22, 23, 27, .06);

    /* Type */
    --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
    --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Consolas, monospace;

    --ease: cubic-bezier(.2, .7, .2, 1);
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.app {
    background:
        radial-gradient(900px 420px at 88% -140px, rgba(255, 214, 102, .22), transparent 70%),
        radial-gradient(760px 380px at -4% -180px, rgba(240, 84, 44, .07), transparent 70%),
        var(--bg);
    background-repeat: no-repeat;
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
ul, ol { list-style: none; }
::selection { background: var(--highlight); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }

.icon {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.icon-lg { width: 20px; height: 20px; }

/* --- LAYOUT --- */
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.page { flex: 1; padding-top: 44px; padding-bottom: 72px; }

/* --- TYPOGRAPHY --- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--accent-ink);
}
.eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.display {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(36px, 4.8vw, 54px);
    line-height: 1.04;
    letter-spacing: -.01em;
    color: var(--ink);
}
.display em {
    font-style: italic;
    background-image: linear-gradient(var(--highlight), var(--highlight));
    background-repeat: no-repeat;
    background-size: 100% .3em;
    background-position: 0 86%;
    animation: underline .9s .35s var(--ease) backwards;
}

.lede { margin-top: 14px; max-width: 60ch; font-size: 16px; color: var(--ink-2); }
.muted { color: var(--ink-3); }
.mono { font-family: var(--font-mono); }

kbd {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 1px 6px;
    border: 1px solid var(--line-strong);
    border-bottom-width: 2px;
    border-radius: 6px;
    background: var(--surface);
    color: var(--ink-2);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 38px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    user-select: none;
    transition: background .2s, border-color .2s, color .2s, box-shadow .2s, transform .12s var(--ease);
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.btn-primary {
    background: var(--ink);
    color: #FFFFFF;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), 0 1px 2px rgba(22, 23, 27, .3);
}
.btn-primary:hover:not(:disabled) { background: #2B2D33; }

.btn-accent { background: var(--accent); color: #FFFFFF; box-shadow: 0 1px 2px rgba(194, 64, 28, .3); }
.btn-accent:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-sm);
}
.btn-secondary:hover:not(:disabled) { background: #FDFCFA; border-color: #C8C3B7; }

.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-subtle); color: var(--ink); }

.btn-danger { color: var(--danger); }
.btn-danger:hover:not(:disabled) { background: var(--danger-soft); }

.btn-danger-solid { background: var(--danger); color: #FFFFFF; }
.btn-danger-solid:hover:not(:disabled) { background: #B92F2F; }

.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 8px; }
.btn-lg { height: 46px; padding: 0 22px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    color: var(--ink-2);
    transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--bg-subtle); color: var(--ink); }

.spinner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid currentColor;
    border-right-color: transparent;
    animation: spin .7s linear infinite;
}

/* --- CARDS --- */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
}
.card-title { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; }
.card-title .icon { color: var(--ink-3); }
.card-body { padding: 20px; }

.count-badge {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    padding: 1px 8px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--bg-subtle);
    color: var(--ink-2);
}

/* --- FORMS --- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.label { font-size: 13px; font-weight: 500; color: var(--ink); }
.label-row { display: flex; align-items: center; justify-content: space-between; }
.label-row a { font-size: 13px; font-weight: 500; color: var(--accent-ink); }
.label-row a:hover { text-decoration: underline; text-underline-offset: 3px; }

.input-wrap { position: relative; }
.input {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    font-size: 14.5px;
    color: var(--ink);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: #A9ACB3; }
.input:hover { border-color: #C8C3B7; }
.input:focus { border-color: var(--ink); box-shadow: 0 0 0 4px rgba(240, 84, 44, .14); }
.input[readonly] { background: var(--bg); }
.input.has-icon { padding-left: 40px; }
.input.has-action { padding-right: 46px; }

.input-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ink-3);
    pointer-events: none;
}
.input-action { position: absolute; right: 5px; top: 50%; transform: translateY(-50%); }

.hint-text { font-size: 12.5px; color: var(--ink-3); }

/* --- CALLOUTS --- */
.callout {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    margin-bottom: 18px;
    border: 1px solid;
    border-radius: 10px;
    font-size: 13.5px;
    line-height: 1.45;
    animation: slideDown .3s var(--ease) backwards;
}
.callout .icon { margin-top: 1px; }
.callout-error { background: var(--danger-soft); border-color: #F4CBCB; color: #9C2828; }
.callout-success { background: var(--success-soft); border-color: #BFE5D2; color: #0D6247; }
.callout-warning { background: var(--warning-soft); border-color: #F2DDAA; color: #835511; }
.callout-info { background: var(--bg-subtle); border-color: var(--line); color: var(--ink-2); }

/* --- NAVIGATION --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(250, 249, 246, .82);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 64px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.brand-mark { width: 28px; height: 28px; flex-shrink: 0; }
.brand-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: .06em;
    padding: 1px 6px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    color: var(--ink-2);
}

.nav-links { display: flex; gap: 2px; }
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 36px;
    padding: 0 12px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink-2);
    transition: color .15s, background .15s;
}
.nav-link .icon { color: var(--ink-3); transition: color .15s; }
.nav-link:hover { color: var(--ink); background: var(--bg-subtle); }
.nav-link.active { color: var(--ink); }
.nav-link.active .icon { color: var(--accent); }
.nav-link.active::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: -14px;
    height: 2px;
    border-radius: 2px;
    background: var(--ink);
    animation: growX .4s var(--ease) backwards;
}

.nav-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.user-chip { display: flex; align-items: center; gap: 8px; padding-right: 4px; font-size: 13.5px; color: var(--ink-2); }
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid #F7D2C4;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent-ink);
    font-size: 12.5px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}
/* Google/GitHub profile picture covers the initial; if it fails to load it's removed and the initial shows */
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* --- FOOTER --- */
.site-footer { border-top: 1px solid var(--line); padding: 22px 0; font-size: 13px; color: var(--ink-3); }
.site-footer .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer strong { font-weight: 500; color: var(--ink-2); }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-links a, .auth-foot a, .lp-footer-bottom a { color: var(--ink-2); transition: color .15s; }
.footer-links a:hover, .auth-foot a:hover, .lp-footer-bottom a:hover { color: var(--ink); }

/* --- PRICING --- */
.pricing-head { max-width: 720px; margin: 0 auto 36px; text-align: center; }
.pricing-head .display { margin-top: 14px; }
.pricing-head .lede { margin-left: auto; margin-right: auto; }
.pricing-region { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 30px; font-size: 13.5px; color: var(--ink-2); text-align: center; }
.pricing-region .icon { color: var(--accent); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; max-width: 1040px; margin: 0 auto; }
.plan { position: relative; display: flex; flex-direction: column; padding: 30px 28px; transition: box-shadow .25s, border-color .25s; }
.plan:hover { box-shadow: var(--shadow-lg); }
.plan-best { border: 1.5px solid var(--ink); box-shadow: var(--shadow-lg); }
.plan-badge {
    position: absolute;
    top: -12px;
    left: 26px;
    padding: 3px 11px;
    border-radius: 999px;
    background: var(--ink);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 600;
}
.plan-name { font-size: 18px; font-weight: 600; letter-spacing: -.01em; }
.plan-blurb { margin-top: 4px; font-size: 14px; color: var(--ink-3); }
.plan-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 6px; margin: 22px 0 4px; }
.plan-price .amount { font-size: 44px; font-weight: 600; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan-price .period { font-size: 14px; color: var(--ink-3); white-space: nowrap; }
/* A discounted price shows the old one beside it, so it's set a little smaller to stay on one line */
.plan .plan-price:has(.price-was:not([hidden])) .amount { font-size: 36px; }
.plan-unit { margin-bottom: 22px; font-size: 13px; color: var(--ink-3); }
.plan .btn-block { margin-bottom: 24px; }
.plan-features { display: grid; gap: 10px; font-size: 14px; color: var(--ink-2); }
.plan-features li { display: flex; align-items: flex-start; gap: 10px; }
.plan-features .icon { margin-top: 3px; color: var(--success); }
.plan-features strong { font-weight: 600; color: var(--ink); }
.pricing-note { max-width: 640px; margin: 26px auto 0; text-align: center; font-size: 14px; color: var(--ink-2); }
.pricing-faq { max-width: 780px; margin: 72px auto 0; }
.pricing-faq .section-title { margin-bottom: 14px; }
.pricing-faq .faq-body a { color: var(--accent-ink); font-weight: 500; }

/* --- DASHBOARD PLAN --- */
.usage { display: grid; gap: 12px; }
.usage-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.usage-name { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.usage-bar { height: 10px; overflow: hidden; border-radius: 999px; background: var(--bg-subtle); }
.usage-bar i { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .9s var(--ease); }
.usage-meta { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }
.pill-neutral { background: var(--bg-subtle); color: var(--ink-2); }
.payments-list { margin-top: 6px; border-top: 1px solid var(--line); }
.payments-list li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.payments-list li:last-child { border-bottom: 0; }
.payments-list span:last-child { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-3); }

@media (max-width: 980px) {
    .pricing-grid { grid-template-columns: 1fr; max-width: 440px; }
}

/* --- ERROR PAGE --- */
.error-page { flex: 1; display: flex; flex-direction: column; padding-top: 28px; padding-bottom: 48px; }
.error-card { flex: 1; display: flex; flex-direction: column; justify-content: center; max-width: 620px; padding: 48px 0; }
.error-code { font-family: var(--font-mono); font-size: 13px; color: var(--accent-ink); }
.error-card .display { margin-top: 12px; }
.error-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }

/* --- CONTACT --- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 28px; }
.contact-grid a { color: var(--accent-ink); }

/* --- LEGAL PAGES --- */
.legal { max-width: 720px; }
.legal .display { margin: 14px 0 0; }
.legal h2 { margin: 36px 0 10px; font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.legal p, .legal li { font-size: 15.5px; color: var(--ink-2); line-height: 1.7; }
.legal ul { display: grid; gap: 8px; padding-left: 20px; list-style: disc; }
.legal strong { color: var(--ink); font-weight: 600; }
.legal a { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 3px; }
.legal h3 { margin: 24px 0 8px; font-size: 16px; font-weight: 600; }
.legal .table td { font-size: 14px; line-height: 1.55; }
.legal-summary { margin-top: 28px; padding: 20px 22px; }
.legal-summary strong { display: block; margin-bottom: 10px; font-size: 14px; color: var(--ink); }
.legal .legal-summary ul { gap: 8px; padding-left: 0; list-style: none; }
.legal-summary li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; }
.legal-summary .icon { margin-top: 4px; color: var(--success); }
.legal-contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin: 16px 0; padding: 18px 20px; }
.legal-contact div { display: flex; flex-direction: column; gap: 2px; font-size: 14px; color: var(--ink-2); }
.legal-contact strong { color: var(--ink); }

/* --- PAGE HEADER --- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.page-head .display { margin-top: 14px; }

/* --- SEGMENTED CONTROL --- */
.segmented {
    position: relative;
    display: inline-flex;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: var(--bg-subtle);
}
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    height: 32px;
    padding: 0 14px;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--ink-2);
    white-space: nowrap;
    cursor: pointer;
    transition: color .2s;
}
.segmented label:hover { color: var(--ink); }
.segmented input:checked + label { color: var(--ink); }
.segmented input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 1px; }
.segmented-thumb {
    position: absolute;
    top: 3px;
    bottom: 3px;
    left: 0;
    width: 0;
    border-radius: 8px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(22, 23, 27, .08), 0 0 0 1px rgba(22, 23, 27, .05);
    transition: transform .35s var(--ease), width .35s var(--ease);
}

/* --- SWITCH --- */
.switch-field { display: flex; align-items: center; gap: 12px; cursor: pointer; user-select: none; }
.switch { position: relative; width: 40px; height: 24px; flex-shrink: 0; }
.switch input { position: absolute; inset: 0; z-index: 1; margin: 0; opacity: 0; cursor: pointer; }
.switch-track { position: absolute; inset: 0; border-radius: 999px; background: #D7D3C8; transition: background .25s; }
.switch-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #FFFFFF;
    box-shadow: 0 1px 3px rgba(22, 23, 27, .25);
    transition: transform .3s var(--ease);
}
.switch input:checked ~ .switch-track { background: var(--accent); }
.switch input:checked ~ .switch-thumb { transform: translateX(16px); }
.switch input:focus-visible ~ .switch-track { outline: 2px solid var(--accent); outline-offset: 2px; }
.switch-text strong { display: block; font-size: 13.5px; font-weight: 600; line-height: 1.3; }
.switch-text small { display: block; font-size: 12px; color: var(--ink-3); }

/* --- EDITOR --- */
.editor { overflow: hidden; scroll-margin-top: 84px; }
.editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
}
.toolbar-group { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.toolbar-switches { display: flex; align-items: center; gap: 14px 24px; flex-wrap: wrap; }
.beta-tag {
    display: inline-block;
    margin-left: 4px;
    padding: 1px 6px;
    border-radius: 999px;
    background: var(--bg-subtle);
    color: var(--ink-2);
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    vertical-align: 1px;
}
.toolbar-label { font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }

.editor-panes { display: grid; grid-template-columns: 1fr 1fr; }
.pane { display: flex; flex-direction: column; min-width: 0; }
.pane + .pane { border-left: 1px solid var(--line); }
.pane-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 16px 20px 0; }
.pane-title { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.pane-title .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.pane-output .pane-title .dot { background: var(--accent); }
.pane-meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }

.pane textarea,
.output {
    flex: 1 0 auto;
    height: 380px;
    padding: 12px 20px 20px;
    font-size: 15.5px;
    line-height: 1.75;
    color: var(--ink);
}
.pane textarea { width: 100%; border: 0; outline: 0; resize: none; background: transparent; }
.pane textarea::placeholder { color: #A9ACB3; }
.output { overflow-y: auto; white-space: pre-wrap; overflow-wrap: anywhere; }
.output.is-revealed { animation: fadeIn .35s ease backwards; }
/* Change map: red = new words, yellow underline = moved (restructured), blue = longest unchanged run */
.output .added {
    color: var(--change-new);
    background-image: linear-gradient(var(--change-new-bg), var(--change-new-bg));   /* an image, so it can sweep in */
    background-repeat: no-repeat;
    background-size: 100% 100%;
    border-radius: 4px;
    padding: 1px 2px;
    margin: 0 -2px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    animation: mark .55s var(--ease) backwards;
    animation-delay: var(--d, 0ms);
}
.output .moved {
    text-decoration: underline;
    text-decoration-color: var(--change-moved);
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}
.output .longest {
    color: var(--change-kept);
    background: var(--change-kept-bg);
    border-radius: 3px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.output-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 100%;
    text-align: center;
    white-space: normal;
    font-size: 14px;
    color: var(--ink-3);
}
.output-empty strong { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.empty-art {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 4px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg-subtle);
    color: var(--ink-2);
}

.skeleton-line {
    height: 12px;
    margin: 12px 0 16px;
    border-radius: 6px;
    background: linear-gradient(90deg, #F1EFE9 0%, #E6E2D9 40%, #F1EFE9 80%);
    background-size: 200% 100%;
    animation: shimmer 1.3s linear infinite;
}

.pane-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-height: 52px;
    padding: 8px 12px 8px 20px;
    border-top: 1px dashed var(--line);
}
.pane-actions { display: flex; gap: 2px; }
.char-count { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); transition: color .2s; }
.char-count.is-over { color: var(--danger); font-weight: 500; }
.legend { display: flex; align-items: center; gap: 6px 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-3); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.legend-swatch { width: 14px; height: 10px; border-radius: 3px; background: var(--change-new-bg); box-shadow: inset 0 0 0 1px var(--change-new); }
.legend-swatch.is-moved { height: 0; border-radius: 0; background: none; box-shadow: none; border-bottom: 2px solid var(--change-moved); }
.legend-swatch.is-kept { background: var(--change-kept-bg); box-shadow: inset 0 0 0 1px var(--change-kept); }

.editor-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 14px 16px 14px 20px;
    border-top: 1px solid var(--line);
    background: var(--bg);
}
.hint { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--ink-3); }

.status-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; color: var(--ink-3); }
.status-chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-chip[data-state="working"] { color: var(--warning); }
.status-chip[data-state="working"]::before { animation: pulse 1s ease-in-out infinite; }
.status-chip[data-state="done"] { color: var(--success); }
.status-chip[data-state="error"] { color: var(--danger); }

/* --- RESULT STATS --- */
.stats { display: grid; grid-template-columns: 1fr 1fr 1.35fr; gap: 16px; margin-top: 16px; }
.stat { display: flex; align-items: center; gap: 18px; padding: 20px; }
.ring { position: relative; width: 76px; height: 76px; flex-shrink: 0; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 7; }
.ring-track { stroke: var(--bg-subtle); }
.ring-value {
    stroke: var(--accent);
    stroke-linecap: round;
    stroke-dasharray: 201.06;
    stroke-dashoffset: 201.06;
    transition: stroke-dashoffset 1.1s var(--ease);
}
.ring-value.ink { stroke: var(--ink); }
.ring-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -.02em;
    font-variant-numeric: tabular-nums;
}
.stat-title { font-size: 14px; font-weight: 600; }
.stat-desc { margin-top: 2px; font-size: 13px; color: var(--ink-3); }
.stat-quote { flex-direction: column; align-items: flex-start; gap: 8px; }
.stat-quote blockquote {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-family: var(--font-serif);
    font-size: 19px;
    line-height: 1.35;
    color: var(--ink);
}
.stats:not(.has-data) .stat-quote blockquote { color: var(--ink-3); }

/* --- HISTORY --- */
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 44px 0 14px; }
.section-title { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.section-title .icon { color: var(--ink-3); }
.history-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.history-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 14px 16px;
    text-align: left;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    transition: border-color .2s, transform .25s var(--ease), box-shadow .25s;
    animation: reveal .5s var(--ease) backwards;
    animation-delay: calc(var(--d, 0) * 60ms);
}
.history-item:hover { border-color: var(--line-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
.history-meta { display: flex; justify-content: space-between; gap: 8px; font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-3); }
.history-preview {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 13.5px;
    color: var(--ink-2);
}
.history-empty {
    grid-column: 1 / -1;
    padding: 28px;
    text-align: center;
    font-size: 14px;
    color: var(--ink-3);
    border: 1px dashed var(--line-strong);
    border-radius: 12px;
}

/* --- TOASTS --- */
.toast-stack {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 260px;
    max-width: 380px;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--ink);
    color: #FFFFFF;
    font-size: 13.5px;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toastIn .35s var(--ease) backwards;
}
.toast-success .icon { color: #7FE0B4; }
.toast-error .icon { color: #FF9C9C; }
.toast.is-leaving { animation: toastOut .25s ease forwards; }

/* --- MODALS --- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(22, 23, 27, .38);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s, visibility .2s;
}
.modal.active { opacity: 1; visibility: visible; }
.modal-dialog {
    width: 100%;
    max-width: 440px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    transform: translateY(10px) scale(.98);
    transition: transform .3s var(--ease);
}
.modal.active .modal-dialog { transform: none; }
.modal-head { padding: 22px 22px 0; }
.modal-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    border-radius: 11px;
    background: var(--bg-subtle);
    color: var(--ink-2);
}
.modal-icon.success { background: var(--success-soft); color: var(--success); }
.modal-icon.danger { background: var(--danger-soft); color: var(--danger); }
.modal-title { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.modal-desc { margin-top: 4px; font-size: 13.5px; color: var(--ink-2); }
.modal-body { padding: 18px 22px 4px; }
.modal-foot {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 14px;
    padding: 14px 22px;
    border-top: 1px solid var(--line);
    border-radius: 0 0 16px 16px;
    background: var(--bg);
}

/* --- TABLES --- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
    padding: 10px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    text-align: left;
    font-size: 12px;
    font-weight: 500;
    color: var(--ink-3);
    white-space: nowrap;
}
.table td { padding: 13px 20px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr { transition: background .15s; animation: rowIn .4s var(--ease) backwards; }
.table tbody tr:hover { background: #FCFBF8; }
.table .num { text-align: right; font-family: var(--font-mono); font-size: 13px; font-variant-numeric: tabular-nums; }
.cell-strong { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.cell-strong .icon { color: var(--ink-3); }
.cell-actions { text-align: right; width: 1%; white-space: nowrap; }

.key-chip {
    font-family: var(--font-mono);
    font-size: 12.5px;
    padding: 3px 8px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg-subtle);
    color: var(--ink-2);
    white-space: nowrap;
}
.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 9px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-success { background: var(--success-soft); color: var(--success); }
.pill-danger { background: var(--danger-soft); color: var(--danger); }
.method {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .02em;
    padding: 2px 7px;
    border-radius: 6px;
    background: var(--accent-soft);
    color: var(--accent-ink);
}
.endpoint-cell { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 13px; }

.empty { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 44px 20px; text-align: center; }
.empty-title { font-size: 14.5px; font-weight: 600; }
.empty-desc { max-width: 36ch; margin-bottom: 10px; font-size: 13.5px; color: var(--ink-3); }

/* --- DASHBOARD --- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.kpi { padding: 18px 20px; }
.kpi-head { display: flex; align-items: center; justify-content: space-between; font-size: 13px; font-weight: 500; color: var(--ink-2); }
.kpi-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg-subtle);
    color: var(--ink-2);
}
.kpi-value { margin-top: 14px; font-size: 30px; font-weight: 600; letter-spacing: -.025em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.kpi-value small { margin-left: 2px; font-size: 15px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.kpi-foot { margin-top: 6px; font-size: 12.5px; color: var(--ink-3); }

.dash-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.dash-main { display: flex; flex-direction: column; gap: 20px; min-width: 0; }

.steps-list { display: grid; gap: 14px; margin-bottom: 18px; counter-reset: step; }
.steps-list li { position: relative; padding-left: 34px; font-size: 13.5px; color: var(--ink-2); counter-increment: step; }
.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--ink);
    background: var(--surface);
}
.steps-list strong { display: block; font-weight: 600; color: var(--ink); }

/* --- CODE BLOCKS --- */
.code {
    overflow: hidden;
    margin: 16px 0;
    border: 1px solid #23252B;
    border-radius: 12px;
    background: #16171B;
    box-shadow: var(--shadow);
}
.code-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    height: 42px;
    padding: 0 8px 0 14px;
    border-bottom: 1px solid #2A2C33;
}
.code-lang { font-family: var(--font-mono); font-size: 12px; color: #9A9DA6; }
.code-copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 28px;
    padding: 0 10px;
    border-radius: 7px;
    font-size: 12px;
    color: #C9CBD1;
    transition: background .15s, color .15s;
}
.code-copy:hover { background: #262830; color: #FFFFFF; }
.code pre {
    margin: 0;
    padding: 16px 18px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.7;
    color: #E6E4DE;
}
.code-sm pre { font-size: 12px; padding: 14px 16px; white-space: pre-wrap; overflow-wrap: anywhere; }
.code-tabs { display: flex; height: 100%; margin-left: -14px; }
.code-tab {
    position: relative;
    height: 42px;
    padding: 0 14px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: #9A9DA6;
    transition: color .15s;
}
.code-tab:hover { color: #E6E4DE; }
.code-tab.active { color: #FFFFFF; }
.code-tab.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: -1px;
    height: 2px;
    background: var(--accent);
}
.tok-key { color: #F7A585; }
.tok-str { color: #AEDB9E; }
.tok-num, .tok-bool { color: #F5C76E; }

/* --- DOCS --- */
.docs { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 64px; flex: 1; padding-top: 44px; padding-bottom: 80px; }
.docs-nav { position: sticky; top: 92px; align-self: start; min-width: 0; }
.docs-nav-title { margin-bottom: 10px; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.docs-nav a {
    display: block;
    padding: 6px 14px;
    border-left: 2px solid var(--line);
    font-size: 14px;
    color: var(--ink-2);
    transition: color .15s, border-color .15s;
}
.docs-nav a:hover { color: var(--ink); }
.docs-nav a.active { border-left-color: var(--accent); color: var(--ink); font-weight: 500; }

.docs-content { max-width: 780px; min-width: 0; }
.docs-hero { margin-bottom: 48px; }
.base-url {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 22px;
    padding: 6px 6px 6px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    font-family: var(--font-mono);
    font-size: 13px;
    max-width: 100%;
}
.base-url span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.base-url .label-sm { font-family: var(--font-sans); font-size: 12px; font-weight: 500; color: var(--ink-3); }

.overview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 20px; }
.overview-card { padding: 16px; }
.overview-card .kpi-icon { margin-bottom: 12px; }
.overview-card strong { display: block; font-size: 14px; font-weight: 600; }
.overview-card span { font-size: 13px; color: var(--ink-3); }

.doc-section { margin-bottom: 56px; scroll-margin-top: 92px; }
.doc-section h2 { margin-bottom: 10px; font-size: 24px; font-weight: 600; letter-spacing: -.02em; }
.doc-section h3 { margin: 28px 0 10px; font-size: 16px; font-weight: 600; }
.doc-section p { max-width: 68ch; margin-bottom: 14px; color: var(--ink-2); }
.doc-section .table td { color: var(--ink-2); }
.doc-section .card { overflow: hidden; margin: 16px 0; }

code.inline {
    padding: 1px 6px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--bg-subtle);
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--ink);
}
.param { font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--ink); }
.type { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }
.req { display: inline-block; padding: 1px 7px; border-radius: 6px; font-size: 11px; font-weight: 600; }
.req-required { background: var(--accent-soft); color: var(--accent-ink); }
.req-optional { background: var(--bg-subtle); color: var(--ink-2); }

.endpoint-line {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    font-family: var(--font-mono);
    font-size: 14px;
    overflow-x: auto;
}
.endpoint-line .method { font-size: 12px; padding: 3px 9px; }

/* --- AUTH --- */
.auth { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 100vh; }
.auth-main { display: flex; flex-direction: column; padding: 28px 40px; background: var(--surface); }
.auth-form-wrap { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 0; }
.auth-card { width: 100%; max-width: 384px; }
.auth-card h1, .auth-card .auth-title { font-family: var(--font-serif); font-size: 40px; font-weight: 400; line-height: 1.08; letter-spacing: -.01em; }
.auth-card .sub { margin: 8px 0 28px; font-size: 14.5px; color: var(--ink-2); }
.auth-card .btn-block { margin-top: 8px; }
.auth-switch { margin-top: 24px; text-align: center; font-size: 14px; color: var(--ink-2); }
.auth-switch a {
    font-weight: 600;
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--line-strong);
    text-underline-offset: 3px;
    transition: text-decoration-color .15s;
}
.auth-switch a:hover { text-decoration-color: var(--ink); }
.auth-foot { font-size: 12.5px; color: var(--ink-3); }

.auth-aside {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    overflow: hidden;
    border-left: 1px solid var(--line);
    background:
        radial-gradient(600px 400px at 80% 0%, rgba(255, 214, 102, .28), transparent 70%),
        radial-gradient(500px 360px at 0% 100%, rgba(240, 84, 44, .10), transparent 70%),
        var(--bg);
}
.auth-aside::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 36px 36px;
    -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 72%);
    mask-image: radial-gradient(ellipse at center, #000 20%, transparent 72%);
    opacity: .55;
}
.aside-inner { position: relative; max-width: 460px; animation: reveal .8s .15s var(--ease) backwards; }
.aside-inner .display { margin: 16px 0 28px; font-size: clamp(36px, 3.4vw, 46px); }

.demo-card { padding: 20px 22px; }
.demo-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.demo-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 9px;
    border-radius: 999px;
    background: var(--bg-subtle);
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 500;
    color: var(--ink-2);
    transition: background .3s, color .3s;
}
.demo-chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.demo-chip.is-human { background: var(--success-soft); color: var(--success); }
.demo-dots { display: flex; gap: 5px; }
.demo-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.demo-text { font-size: 17px; line-height: 1.75; color: var(--ink); }
.demo-word { border-radius: 4px; transition: opacity .22s ease, background-size .5s var(--ease); background-image: linear-gradient(to right, rgba(255, 214, 92, .75), rgba(255, 224, 122, .9)); background-repeat: no-repeat; background-size: 0% 100%; padding: 1px 2px; margin: 0 -2px; }
.demo-word.is-out { opacity: 0; }
.demo-word.is-marked { background-size: 100% 100%; }

.aside-points { display: grid; gap: 16px; margin-top: 28px; }
.aside-points li { display: flex; gap: 12px; font-size: 13.5px; color: var(--ink-2); }
.aside-points strong { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.point-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.oauth { display: grid; gap: 10px; }
.auth-card .oauth .btn-block { margin-top: 0; }
.oauth-btn { font-weight: 500; }
.oauth-btn:hover:not(.is-loading) { background: var(--bg); border-color: #C8C3B7; box-shadow: var(--shadow); }
.oauth-btn.is-loading { pointer-events: none; color: var(--ink-2); }
.oauth-logo { width: 18px; height: 18px; flex-shrink: 0; }

.divider { display: flex; align-items: center; gap: 14px; margin: 22px 0; font-size: 12.5px; color: var(--ink-3); }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: 4px; }
.strength span { height: 4px; border-radius: 2px; background: var(--line); transition: background .3s; }
.strength[data-level="1"] span:nth-child(-n+1) { background: var(--danger); }
.strength[data-level="2"] span:nth-child(-n+2) { background: #E08A1E; }
.strength[data-level="3"] span:nth-child(-n+3) { background: #4FA77E; }
.strength[data-level="4"] span { background: var(--success); }

.steps { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; font-size: 13px; color: var(--ink-3); }
.step { display: flex; align-items: center; gap: 8px; transition: color .2s; }
.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    transition: background .25s, border-color .25s, color .25s;
}
.step.active { color: var(--ink); font-weight: 500; }
.step.active .step-num { background: var(--ink); border-color: var(--ink); color: #FFFFFF; }
.step.done .step-num { background: var(--success); border-color: var(--success); color: #FFFFFF; }
.step-line { flex: 1; max-width: 48px; height: 1px; background: var(--line-strong); }

.otp { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.otp .input { height: 54px; padding: 0; text-align: center; font-family: var(--font-mono); font-size: 21px; font-weight: 600; }

.shake { animation: shake .4s ease; }

/* --- ANIMATION --- */
.reveal { animation: reveal .6s var(--ease) backwards; animation-delay: calc(var(--d, 0) * 70ms); }

@keyframes reveal { from { opacity: 0; transform: translateY(12px); } }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-6px); } }
@keyframes rowIn { from { opacity: 0; transform: translateY(4px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .3; } }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@keyframes mark { from { background-size: 0% 100%; } }
@keyframes underline { from { background-size: 0% .3em; } }
@keyframes growX { from { transform: scaleX(0); } }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px) scale(.97); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(6px) scale(.97); } }
@keyframes shake {
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        animation-delay: 0ms !important;
        transition-duration: .01ms !important;
    }
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .docs { grid-template-columns: 1fr; gap: 28px; }
    .docs-nav { position: static; }
    .docs-nav ul { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 4px; }
    .docs-nav a { border-left: 0; border-bottom: 2px solid var(--line); white-space: nowrap; }
    .docs-nav a.active { border-bottom-color: var(--accent); }
}

@media (max-width: 980px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .dash-grid { grid-template-columns: 1fr; }
    .auth { grid-template-columns: 1fr; }
    .auth-aside { display: none; }
}

@media (max-width: 900px) {
    .editor-panes { grid-template-columns: 1fr; }
    .pane + .pane { border-left: 0; border-top: 1px solid var(--line); }
    .pane textarea, .output { height: 280px; }
    .stats { grid-template-columns: 1fr; }
    .overview-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .nav-inner { gap: 12px; }
    .nav-link { padding: 0 10px; }
    .nav-link span, .brand-tag, .user-chip .user-name, .nav-right .btn span { display: none; }
    .nav-right .btn { padding: 0 9px; }
    .page { padding-top: 28px; }
    .editor-toolbar { flex-direction: column; align-items: flex-start; }
    .segmented { max-width: 100%; overflow-x: auto; }
    .editor-cta .hint { display: none; }
    .editor-cta .btn { width: 100%; }
    .auth-main { padding: 24px 20px; }
    .toast-stack { left: 16px; right: 16px; bottom: 16px; }
    .toast { max-width: none; }
}

@media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .kpi-grid { grid-template-columns: 1fr; }
    .brand > span:not(.brand-tag) { display: none; }
    .segmented label { padding: 0 10px; font-size: 13px; }
}

/* ==========================================
   DASHBOARD: BILLING, USAGE CHART, REFERRALS
   ========================================== */
.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; }

.verify-banner { align-items: center; margin-bottom: 20px; }
.verify-banner > span { flex: 1; }
.verify-banner .btn { flex-shrink: 0; }

select.input { appearance: none; padding-right: 34px; cursor: pointer;
    background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238B8E97' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center; }
textarea.input { height: auto; min-height: 80px; padding: 10px 12px; line-height: 1.5; resize: vertical; }
.input-sm { height: 36px; font-size: 13.5px; width: auto; max-width: 200px; }
.input-sm-text { font-size: 12.5px; }
.segmented-sm label { height: 28px; padding: 0 11px; font-size: 13px; }

.card-head-wrap { flex-wrap: wrap; }
.chart-filters { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.dash-side { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.side-desc { margin-bottom: 14px; font-size: 13.5px; color: var(--ink-2); }
.side-desc strong { color: var(--ink); font-weight: 600; }

.plan-line { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); font-size: 13.5px; }
.plan-line > span:nth-child(2) { flex: 1; }
.plan-line .pill { margin-left: 6px; }
.plan-line-icon { display: flex; color: var(--accent); }
.payments-list .pay-what { min-width: 0; }
.payments-list .pay-meta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-3); }
.payments-list .pay-meta a { display: inline-flex; align-items: center; gap: 4px; font-family: var(--font-sans); font-size: 13px; font-weight: 500; color: var(--accent-ink); }
.payments-list .pay-meta a:hover { text-decoration: underline; text-underline-offset: 3px; }

.usage-body { transition: opacity .2s; }
.usage-body.is-loading { opacity: .55; }
.chart-summary { display: flex; flex-wrap: wrap; gap: 8px 32px; margin-bottom: 14px; }
.chart-summary > div { display: flex; flex-direction: column; }
.chart-stat { font-size: 22px; font-weight: 600; letter-spacing: -.02em; line-height: 1.2; }
.chart-stat-label { font-size: 12.5px; color: var(--ink-3); }

.chart { position: relative; outline: none; border-radius: var(--radius-sm); }
.chart:focus-visible { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--accent); }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-grid { stroke: var(--line); stroke-width: 1; }
.chart-axis { stroke: var(--line-strong); stroke-width: 1; }
.chart-tick { fill: var(--ink-3); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart-bar { fill: var(--accent); transition: fill .15s; }
.chart-bar.is-active { fill: var(--accent-ink); }
.chart-tip { position: absolute; top: -6px; left: 0; z-index: 2; min-width: 150px; max-width: 240px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: var(--shadow-lg); font-size: 12.5px; pointer-events: none; }
.chart-tip-date { color: var(--ink-3); }
.chart-tip-value { margin: 1px 0 4px; font-size: 15px; font-weight: 600; color: var(--ink); }
.chart-tip-row { display: flex; justify-content: space-between; gap: 12px; padding-top: 3px; color: var(--ink-2); }
.chart-tip-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chart-tip-row strong { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.chart-empty { padding: 28px 0 12px; }

.key-bars { display: grid; gap: 9px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.key-bars-title { font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); }
.key-bar { display: grid; grid-template-columns: minmax(80px, 160px) 1fr auto; align-items: center; gap: 12px; font-size: 13.5px; transition: opacity .2s; }
.key-bar.is-dim { opacity: .45; }
.key-bar-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); }
.key-bar-track { height: 8px; }
.key-bar-track i { display: block; height: 100%; border-radius: 0 4px 4px 0; background: var(--accent); }
.key-bar strong { min-width: 48px; text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.chart-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
#usageTable { margin: 12px -20px -20px; border-top: 1px solid var(--line); }

.ref-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.ref-stats div { padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); text-align: center; }
.ref-stats dt { font-size: 11.5px; color: var(--ink-3); }
.ref-stats dd { margin-top: 2px; font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }

@media (max-width: 760px) {
    .verify-banner { flex-wrap: wrap; }
    .key-bar { grid-template-columns: minmax(70px, 110px) 1fr auto; }
    .payments-list li { flex-direction: column; gap: 4px; }
}

/* --- PRICING: BILLING PERIOD, TOP-UP, COUPON --- */
.pricing-controls { display: flex; align-items: center; justify-content: center; gap: 14px 28px; flex-wrap: wrap; margin: -6px 0 26px; }
.save-chip { margin-left: 6px; padding: 1px 7px; border-radius: 999px; background: var(--success-soft); color: var(--success); font-size: 11.5px; font-weight: 600; }
.plan-price .price-was { align-self: center; font-size: 17px; color: var(--ink-3); text-decoration: line-through; }
.topup { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px 22px; max-width: 1040px; margin: 20px auto 0; padding: 22px 26px; }
.topup-icon { display: flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.topup-text .plan-blurb { max-width: 62ch; }
.topup-buy { display: flex; align-items: center; gap: 16px; }
.topup-buy .plan-price { margin: 0; }
.topup-buy .plan-price .amount { font-size: 30px; }
.coupon { max-width: 420px; margin: 26px auto 0; text-align: left; }
.coupon .label { display: block; margin-bottom: 6px; }
.coupon-row { display: flex; gap: 8px; }
.coupon-row .input { height: 40px; text-transform: uppercase; }
.coupon-row .btn { flex-shrink: 0; }
.coupon .hint-text { display: block; min-height: 18px; margin-top: 6px; }
.coupon .hint-text.is-error { color: var(--danger); }

@media (max-width: 760px) {
    .topup { grid-template-columns: 1fr; text-align: left; }
    .topup-icon { display: none; }
    .topup-buy { justify-content: space-between; }
}

/* --- ADMIN PANEL --- */
.admin-tabs { margin-bottom: 18px; }
.admin-panel { display: flex; flex-direction: column; gap: 20px; }
.admin-search { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.admin-search .input-sm { max-width: 260px; }
.kpi-value-sm { font-size: 22px; }
.cell-sub { margin-top: 2px; font-size: 12px; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 24px; }
.dl { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 9px 14px; font-size: 13.5px; align-content: start; }
.dl dt { color: var(--ink-3); }
.dl dd { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; overflow-wrap: anywhere; }
.dl dd a, .table td a:not(.btn) { color: var(--accent-ink); font-weight: 500; }
.detail-side > .input-sm { width: 100%; max-width: none; }
.detail-side { display: grid; gap: 14px; align-content: start; }
.plan-box { display: grid; gap: 4px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); font-size: 13px; }
.plan-box-title { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; }
.admin-action .label { display: block; margin-bottom: 6px; }
.admin-action-row { display: flex; gap: 8px; }
.admin-action-row .input-sm { flex: 1; max-width: none; }
.detail-section { border-top: 1px solid var(--line); }
.detail-title { padding: 14px 20px 6px; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); }
.coupon-form { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 14px; }
.coupon-form .field-wide { grid-column: span 3; }
.coupon-form .field-actions { justify-content: flex-end; }
.coupon-form .field-actions .btn { height: 44px; }

@media (max-width: 900px) {
    .detail-grid { grid-template-columns: 1fr; }
    .coupon-form { grid-template-columns: 1fr 1fr; }
    .coupon-form .field-wide { grid-column: span 2; }
}
@media (max-width: 520px) {
    .coupon-form { grid-template-columns: 1fr; }
    .coupon-form .field-wide { grid-column: auto; }
    .dl { grid-template-columns: 1fr; gap: 2px; }
    .dl dd { margin-bottom: 8px; }
}