/* ============================================================================
   Bellivex Labs — "Aurora Summit" design system
   Dark-first, editorial. Brand gradient (#6D4AFF → #A24BE8 → #E84F9C) used as a
   sharp accent over a deep-navy canvas. Mirrors the BlazorPowerTools.Server
   app.css token approach, adapted to the Bellivex brand.
   Fonts loaded via <link> in App.razor: Montserrat / Manrope / JetBrains Mono.
   ========================================================================== */

:root {
    /* ===== Brand gradient + stops ===== */
    --bx-grad: linear-gradient(120deg, #6D4AFF 0%, #A24BE8 55%, #E84F9C 100%);
    --bx-grad-soft: linear-gradient(120deg, rgba(109,74,255,.18), rgba(232,79,156,.18));
    --bx-violet: #6D4AFF;
    --bx-purple: #A24BE8;
    --bx-pink: #E84F9C;

    /* ===== Canvas / surfaces (dark, default) ===== */
    --bx-abyss: #0D0821;        /* deepest background */
    --bx-night: #15102B;        /* primary surface */
    --bx-night-2: #1B1438;      /* elevated surface */
    --bx-ink: #1B1A2E;          /* deep ink (text on light) */
    --bx-line: rgba(180, 160, 255, .14);
    --bx-line-strong: rgba(180, 160, 255, .28);

    /* ===== Text ===== */
    --bx-text: #ECE9F6;
    --bx-text-soft: #B9B2D6;
    --bx-mist: #8A84A6;         /* muted ("LABS" grey) */

    /* ===== Glows ===== */
    --bx-glow-violet: rgba(109, 74, 255, .45);
    --bx-glow-pink: rgba(232, 79, 156, .35);
    --bx-node: radial-gradient(circle at 40% 35%, #FFFFFF 0%, #FFD7EC 70%, rgba(255,215,236,0) 100%);

    /* ===== Type scale ===== */
    --bx-font-display: "Montserrat", system-ui, sans-serif;
    --bx-font-body: "Manrope", system-ui, sans-serif;
    --bx-font-mono: "JetBrains Mono", ui-monospace, monospace;
    --bx-hero: clamp(2.6rem, 6vw, 4.5rem);
    --bx-h1: clamp(2rem, 4vw, 3rem);
    --bx-h2: clamp(1.5rem, 2.6vw, 2.1rem);
    --bx-h3: 1.25rem;
    --bx-body: 1.05rem;

    /* ===== Shape ===== */
    --bx-radius: 18px;
    --bx-radius-sm: 12px;
    --bx-shadow: 0 24px 60px -20px rgba(0,0,0,.65);
    --bx-shadow-glow: 0 20px 60px -22px var(--bx-glow-violet);

    --bx-maxw: 1180px;
}

/* Light theme overrides (header toggle sets data-theme="light" on <html>) */
:root[data-theme="light"] {
    --bx-abyss: #FBFBFE;
    --bx-night: #FFFFFF;
    --bx-night-2: #F4F1FB;
    --bx-line: rgba(27, 26, 46, .10);
    --bx-line-strong: rgba(27, 26, 46, .18);
    --bx-text: #1B1A2E;
    --bx-text-soft: #4B4762;
    --bx-mist: #6A6486;
    --bx-shadow: 0 24px 60px -28px rgba(60, 40, 120, .22);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: var(--bx-font-body);
    font-size: var(--bx-body);
    line-height: 1.6;
    color: var(--bx-text);
    background-color: var(--bx-abyss);
    background-image:
        radial-gradient(900px 600px at 12% -8%, rgba(109,74,255,.16), transparent 60%),
        radial-gradient(800px 600px at 92% 4%, rgba(232,79,156,.12), transparent 60%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--bx-font-display); font-weight: 800; line-height: 1.1; letter-spacing: -.02em; color: var(--bx-text); margin: 0 0 .5em; }
h2 { font-size: var(--bx-h2); }
h3 { font-size: var(--bx-h3); font-weight: 700; }
p { margin: 0 0 1rem; color: var(--bx-text-soft); }
a { color: var(--bx-violet); text-decoration: none; }
a:hover { color: var(--bx-pink); }

/* ===== Layout helpers ===== */
.bx-container { width: 100%; max-width: var(--bx-maxw); margin: 0 auto; padding: 0 1.5rem; }
.bx-section { padding: 5.5rem 0; position: relative; }
.bx-section--tight { padding: 3.5rem 0; }

/* ===== Eyebrow kicker (mono) ===== */
.bx-eyebrow {
    font-family: var(--bx-font-mono);
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--bx-purple);
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    margin: 0 0 1rem;
}
.bx-eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: var(--bx-grad); }

/* ===== Gradient text-clip ===== */
.bx-grad-text {
    background: var(--bx-grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ===== Hairline divider (logo underline motif) ===== */
.bx-hairline { height: 3px; width: 56px; border-radius: 3px; background: var(--bx-grad); border: 0; margin: 1.25rem 0; }
.bx-hairline--center { margin-left: auto; margin-right: auto; }

/* ===== Glass card ===== */
.bx-card {
    position: relative;
    background: color-mix(in oklab, var(--bx-night) 86%, transparent);
    border-radius: var(--bx-radius);
    padding: 1.75rem;
    box-shadow: var(--bx-shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
}
/* 1px gradient border via mask */
.bx-card::before {
    content: "";
    position: absolute; inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--bx-grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    opacity: .55;
    pointer-events: none;
}
.bx-card:hover { transform: translateY(-4px); box-shadow: var(--bx-shadow-glow); }
.bx-card:hover::before { opacity: .9; }
.bx-card__icon {
    width: 46px; height: 46px; border-radius: 12px;
    display: grid; place-items: center; font-size: 1.4rem;
    background: var(--bx-grad-soft);
    border: 1px solid var(--bx-line-strong);
    margin-bottom: 1rem;
}
.bx-card h3 { margin-bottom: .35rem; }
.bx-card p { margin: 0; font-size: .96rem; }
.bx-card__link { display: inline-block; margin-top: 1rem; font-weight: 700; font-family: var(--bx-font-display); }

.bx-grid { display: grid; gap: 1.25rem; }
.bx-grid--3 { grid-template-columns: repeat(3, 1fr); }
.bx-grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ===== Buttons (styled anchors — mirrors the Server's <a> nav/CTA pattern) ===== */
.bx-btn {
    display: inline-flex; align-items: center; gap: .55rem;
    font-family: var(--bx-font-display); font-weight: 700; font-size: .98rem;
    padding: .8rem 1.5rem; border-radius: 999px; border: 0; cursor: pointer;
    color: #fff; background: var(--bx-grad);
    box-shadow: 0 12px 30px -10px var(--bx-glow-violet);
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.bx-btn:hover { transform: translateY(-2px); filter: brightness(1.06); color: #fff; box-shadow: 0 16px 38px -10px var(--bx-glow-pink); }
.bx-btn--ghost {
    background: transparent; color: var(--bx-text);
    box-shadow: inset 0 0 0 1px var(--bx-line-strong);
}
.bx-btn--ghost:hover { color: var(--bx-text); box-shadow: inset 0 0 0 1px var(--bx-purple); background: var(--bx-grad-soft); }

/* ===== Stats row ===== */
.bx-stats { display: flex; flex-wrap: wrap; gap: 2.5rem; }
.bx-stat__num { font-family: var(--bx-font-mono); font-size: 2.2rem; font-weight: 700; color: var(--bx-text); }
.bx-stat__label { font-size: .85rem; color: var(--bx-mist); letter-spacing: .04em; }

/* ===== HERO ===== */
.bx-hero { position: relative; padding: 8.5rem 0 6rem; overflow: hidden; text-align: center; }
.bx-hero__bloom {
    position: absolute; inset: -30% -10% auto -10%; height: 120%;
    background:
        radial-gradient(closest-side at 32% 30%, var(--bx-glow-violet), transparent 70%),
        radial-gradient(closest-side at 70% 40%, var(--bx-glow-pink), transparent 70%);
    filter: blur(40px); opacity: .9; z-index: 0;
    animation: bxBloom 14s ease-in-out infinite alternate;
    pointer-events: none;
}
.bx-hero__inner { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; }
.bx-hero__mark { width: 92px; height: 92px; margin: 0 auto 1.5rem; display: block; filter: drop-shadow(0 8px 28px var(--bx-glow-violet)); }
.bx-hero h1 { font-size: var(--bx-hero); margin-bottom: 1rem; }
.bx-hero__sub { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--bx-text-soft); max-width: 620px; margin: 0 auto 2rem; }
.bx-hero__cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===== Wide feature band ===== */
.bx-band {
    display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
    padding: 2.25rem; border-radius: var(--bx-radius);
    background: linear-gradient(120deg, color-mix(in oklab, var(--bx-night) 88%, transparent), color-mix(in oklab, var(--bx-night-2) 88%, transparent));
    box-shadow: var(--bx-shadow);
    position: relative; overflow: hidden;
}
.bx-band::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: var(--bx-grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .5; pointer-events: none; }
.bx-band__mark { width: 64px; height: 64px; flex: none; }
.bx-band__body { flex: 1 1 320px; }

/* ===== Footer CTA band ===== */
.bx-cta { text-align: center; padding: 4.5rem 1.5rem; }
.bx-cta h2 { font-size: var(--bx-h1); margin-bottom: 1.25rem; }

/* ===== Authenticated app surface (behind login) ===== */
.bx-app { padding: 2.5rem 0 4rem; }
.bx-page-head { margin-bottom: 2rem; }
.bx-page-head h1 { font-size: var(--bx-h1); }
.bx-feature-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.bx-feature-list li { padding: .35rem 0 .35rem 1.5rem; position: relative; color: var(--bx-text-soft); }
.bx-feature-list li::before { content: "▲"; position: absolute; left: 0; font-size: .7rem; color: var(--bx-purple); top: .55rem; }

/* ===== Form fields (shared by Settings + auth) ===== */
.bx-field { display: block; margin-bottom: 1rem; }
.bx-field > span { display: block; font-size: .85rem; color: var(--bx-mist); margin-bottom: .35rem; font-family: var(--bx-font-mono); letter-spacing: .04em; }
.bx-input {
    width: 100%; padding: .7rem .9rem; border-radius: var(--bx-radius-sm);
    background: color-mix(in oklab, var(--bx-night-2) 80%, transparent);
    border: 1px solid var(--bx-line-strong); color: var(--bx-text); font-family: var(--bx-font-body); font-size: 1rem;
}
.bx-input:focus { outline: none; border-color: var(--bx-violet); box-shadow: 0 0 0 3px var(--bx-glow-violet); }
.bx-check { display: flex; align-items: center; gap: .6rem; margin: .5rem 0 1rem; color: var(--bx-text-soft); }

/* ===== Auth (Login / Register) — branded, static-SSR forms ===== */
.bx-auth-wrapper { display: flex; justify-content: center; padding: 4.5rem 1.5rem; min-height: 70vh; }
.bx-auth-card { width: 100%; max-width: 420px; padding: 2.5rem; text-align: left; }
.bx-auth-logo { display: inline-block; margin-bottom: 1.5rem; }
.bx-auth-logo img { height: 36px; width: auto; }
.bx-auth-logo .logo-light { display: none; }
:root[data-theme="light"] .bx-auth-logo .logo-dark { display: none; }
:root[data-theme="light"] .bx-auth-logo .logo-light { display: inline; }
.bx-auth-title { font-size: 1.8rem; margin-bottom: .25rem; }
.bx-auth-sub { color: var(--bx-text-soft); margin-bottom: 1.5rem; }
.bx-auth-foot { margin-top: 1.5rem; display: flex; gap: .75rem; align-items: center; font-size: .9rem; color: var(--bx-mist); }
.bx-auth-foot a { font-weight: 600; }

/* ===== Page-load staggered reveal ===== */
.bx-reveal { opacity: 0; transform: translateY(18px); animation: bxReveal .7s cubic-bezier(.2,.7,.2,1) forwards; }
.bx-reveal.d1 { animation-delay: .08s; }
.bx-reveal.d2 { animation-delay: .18s; }
.bx-reveal.d3 { animation-delay: .30s; }
.bx-reveal.d4 { animation-delay: .42s; }

@keyframes bxBloom {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(3%, 4%) scale(1.08); }
}
@keyframes bxReveal { to { opacity: 1; transform: none; } }

/* ===== Responsive ===== */
@media (max-width: 880px) {
    .bx-grid--3, .bx-grid--2 { grid-template-columns: 1fr; }
    .bx-section { padding: 4rem 0; }
    .bx-hero { padding: 6.5rem 0 4.5rem; }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    .bx-hero__bloom { animation: none; }
    .bx-reveal { animation: none; opacity: 1; transform: none; }
    .bx-card { transition: none; }
}

/* ===== Blazor error UI (keep usable, themed) ===== */
#blazor-error-ui {
    color: #fff; background: #2A1450; box-shadow: 0 -1px 2px rgba(0,0,0,.2);
    display: none; position: fixed; bottom: 0; left: 0; right: 0; padding: .8rem 1.25rem; z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 1rem; top: .6rem; }
