:root {
    --bg: #080d1c;
    --bg-deep: #050816;
    --panel: #131b31;
    --panel-2: #1a2440;
    --panel-3: #0e1528;
    --line: #2b385b;
    --line-soft: rgba(126, 148, 198, .20);
    --text: #f8faff;
    --muted: #adb8d3;
    --warp: #8468ff;
    --warp-light: #b4a6ff;
    --ai: #27d3c0;
    --ai-light: #82eee1;
    --chat: #ffb55b;
    --chat-light: #ffd394;
    --danger: #ff6b7d;
    --warning: #ffc857;
    --success: #42d392;
    --shadow: 0 24px 70px rgba(2, 5, 18, .42);
    --tri-gradient: linear-gradient(90deg, var(--warp) 0 33.333%, var(--ai) 33.333% 66.666%, var(--chat) 66.666% 100%);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 88% 6%, rgba(132, 104, 255, .18), transparent 31rem),
        radial-gradient(circle at 55% 95%, rgba(39, 211, 192, .10), transparent 34rem),
        radial-gradient(circle at 5% 65%, rgba(255, 181, 91, .07), transparent 30rem),
        var(--bg);
}
a { color: inherit; }
button, input, select { font: inherit; }

button, .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border: 0;
    border-radius: 13px;
    padding: 0 19px;
    color: #fff;
    background: linear-gradient(135deg, var(--warp), #6d82ff 52%, var(--ai));
    box-shadow: 0 10px 30px rgba(94, 96, 255, .22);
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}
button:hover, .button:hover { transform: translateY(-1px); filter: brightness(1.06); box-shadow: 0 14px 34px rgba(94, 96, 255, .30); }
button:focus-visible, .button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
    outline: 3px solid rgba(39, 211, 192, .55);
    outline-offset: 3px;
}
.button.secondary { background: transparent; border: 1px solid var(--line); color: var(--text); box-shadow: none; }
.button.secondary:hover { border-color: var(--chat); background: rgba(255, 181, 91, .07); }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; }

.brand-signature { display: inline-flex; align-items: center; gap: 15px; min-width: 0; }
.brand-signature.compact { gap: 11px; }
.brand-symbol { display: block; width: 64px; height: 64px; flex: 0 0 auto; }
.brand-signature.compact .brand-symbol { width: 48px; height: 48px; }
.brand-name { display: inline-flex; align-items: baseline; white-space: nowrap; font-size: clamp(2rem, 5vw, 3.35rem); font-weight: 880; letter-spacing: -.065em; line-height: 1; }
.brand-signature.compact .brand-name { font-size: 1.17rem; letter-spacing: -.045em; }
.brand-warp { color: var(--warp-light); }
.brand-ai { color: var(--ai-light); }
.brand-chat { color: var(--chat-light); }
.brand-triad { display: inline-flex; gap: .42rem; font-size: .78rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }

.eyebrow { display: block; color: var(--ai); font-size: .78rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow-warp { color: var(--warp-light); }
.eyebrow-ai { color: var(--ai-light); }
.eyebrow-chat { color: var(--chat-light); }

.landing-page, .login-page { display: grid; place-items: center; padding: 28px; }
.landing-card, .login-card {
    position: relative;
    overflow: hidden;
    width: min(690px, 100%);
    padding: 38px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(24, 34, 62, .97), rgba(13, 20, 39, .97));
    box-shadow: var(--shadow);
}
.landing-card::before, .login-card::before, .sidebar::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: var(--tri-gradient);
}
.landing-card h1, .login-card h1 { margin: 18px 0 8px; font-size: clamp(2.5rem, 8vw, 5rem); line-height: .96; }
.landing-card > p, .login-card > p, .login-brand > p { color: var(--muted); font-size: 1.05rem; line-height: 1.65; }
.login-card { max-width: 520px; }
.login-brand { margin-bottom: 22px; }
.login-brand > p { margin: 9px 0 0 80px; }

.brand-meaning, .brand-pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.brand-meaning { margin: 0 0 24px; }
.brand-meaning > span, .brand-pillars article {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: 3px;
    min-width: 0;
    border: 1px solid var(--line-soft);
    border-radius: 14px;
    background: rgba(8, 13, 28, .52);
}
.brand-meaning > span { padding: 12px 13px; }
.brand-meaning > span::before, .brand-pillars article::before, .metrics article::before, .panel-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    border-radius: 3px;
}
.meaning-warp::before, .pillar-warp::before, .metric-warp::before, .panel-warp::before { background: var(--warp); }
.meaning-ai::before, .pillar-ai::before, .metric-ai::before, .panel-ai::before { background: var(--ai); }
.meaning-chat::before, .pillar-chat::before, .metric-chat::before, .panel-chat::before { background: var(--chat); }
.brand-meaning strong { font-size: .94rem; }
.brand-meaning small, .brand-pillars small { color: var(--muted); }
.meaning-warp strong, .pillar-warp > span { color: var(--warp-light); }
.meaning-ai strong, .pillar-ai > span { color: var(--ai-light); }
.meaning-chat strong, .pillar-chat > span { color: var(--chat-light); }

form { display: grid; gap: 16px; }
label { display: grid; gap: 8px; color: var(--muted); font-weight: 680; }
input, select {
    width: 100%;
    min-height: 50px;
    border: 1px solid var(--line);
    border-radius: 13px;
    padding: 10px 14px;
    background: var(--panel-3);
    color: var(--text);
    outline: none;
}
input:focus, select:focus { border-color: var(--ai); box-shadow: 0 0 0 3px rgba(39, 211, 192, .15); }

.app-shell { display: grid; grid-template-columns: 270px 1fr; min-height: 100vh; }
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 24px 19px;
    background: rgba(6, 10, 23, .96);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
}
.brand { display: flex; align-items: center; text-decoration: none; margin-bottom: 30px; }
.sidebar nav { display: grid; gap: 7px; }
.sidebar nav a {
    position: relative;
    padding: 13px 15px 13px 17px;
    border-radius: 11px;
    color: var(--muted);
    font-weight: 680;
    text-decoration: none;
    transition: color .16s ease, background .16s ease;
}
.sidebar nav a::before { content: ""; position: absolute; left: 0; top: 22%; bottom: 22%; width: 3px; border-radius: 3px; opacity: 0; }
.sidebar nav a:hover, .sidebar nav a.active { color: var(--text); background: var(--panel-2); }
.sidebar nav a.active::before { opacity: 1; }
.sidebar nav .nav-dashboard::before { background: var(--tri-gradient); }
.sidebar nav .nav-accounts::before { background: var(--warp); }
.sidebar nav .nav-sites::before { background: var(--ai); }
.sidebar nav .nav-password::before { background: var(--chat); }
.sidebar-foot { margin-top: auto; display: grid; gap: 5px; padding: 15px; border: 1px solid var(--line-soft); border-radius: 14px; background: var(--panel); }
.sidebar-foot span { color: var(--muted); font-size: .86rem; }
.sidebar-foot a { color: var(--ai-light); margin-top: 6px; }

.content { width: min(1450px, 100%); padding: 36px; }
.hero, .page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.hero h1, .page-head h1 { margin: 8px 0; font-size: clamp(2rem, 4vw, 3.7rem); letter-spacing: -.045em; }
.hero p { max-width: 760px; color: var(--muted); font-size: 1.05rem; }
.status-card { min-width: 180px; padding: 18px; border: 1px solid var(--line); border-radius: 17px; background: var(--panel); display: grid; gap: 7px; }
.status-card span { color: var(--success); }

.brand-pillars { margin-bottom: 20px; }
.brand-pillars article { padding: 18px 19px 18px 22px; }
.brand-pillars article > span { font-size: .76rem; font-weight: 900; letter-spacing: .12em; }
.brand-pillars strong { font-size: 1.02rem; }

.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 24px; }
.metrics article {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: 5px;
    padding: 22px 22px 22px 25px;
    border: 1px solid var(--line);
    border-radius: 17px;
    background: var(--panel);
}
.metrics article.metric-mix::before { background: var(--tri-gradient); }
.metrics strong { font-size: 2rem; }
.metrics span, .muted { color: var(--muted); }

.panel-card {
    position: relative;
    overflow: hidden;
    padding: 25px;
    border: 1px solid var(--line);
    border-radius: 19px;
    background: rgba(19, 27, 49, .92);
    box-shadow: 0 12px 42px rgba(0, 0, 0, .14);
}
.panel-card::before { background: transparent; }
.panel-card h2 { margin-top: 0; }
.panel-card.narrow { max-width: 620px; }
.split { display: grid; grid-template-columns: minmax(320px, .8fr) minmax(0, 1.5fr); gap: 20px; align-items: start; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 10px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; }
code { color: var(--warp-light); }

.flash { margin: 0 0 18px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); }
.flash-success { border-color: rgba(66, 211, 146, .5); }
.flash-error { border-color: rgba(255, 107, 125, .6); }
.flash-warning { border-color: rgba(255, 200, 87, .6); }

@media (max-width: 980px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; }
    .sidebar nav { grid-template-columns: repeat(4, 1fr); }
    .sidebar-foot { display: none; }
    .content { padding: 24px 18px; }
    .metrics { grid-template-columns: repeat(2, 1fr); }
    .split { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .landing-page, .login-page { padding: 16px; }
    .landing-card, .login-card { padding: 27px 22px; border-radius: 22px; }
    .brand-symbol { width: 54px; height: 54px; }
    .login-brand > p { margin-left: 69px; }
    .brand-meaning, .brand-pillars { grid-template-columns: 1fr; }
    .sidebar nav { grid-template-columns: repeat(2, 1fr); }
    .hero { display: block; }
    .status-card { margin-top: 16px; }
    .metrics { grid-template-columns: 1fr 1fr; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}