:root {
    --bg: #07111f;
    --bg-2: #0b1629;
    --card: rgba(15, 24, 41, 0.92);
    --card-2: rgba(12, 20, 36, 0.9);
    --line: rgba(148, 163, 184, 0.16);
    --line-strong: rgba(148, 163, 184, 0.28);
    --text: #eff5ff;
    --muted: #98a8c6;
    --accent: #61a7ff;
    --accent-2: #8cc8ff;
    --ok: #24c47e;
    --warn: #f7b955;
    --danger: #f87171;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
    --radius: 22px;
    --radius-sm: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top right, rgba(97, 167, 255, 0.16), transparent 28%),
        radial-gradient(circle at top left, rgba(36, 196, 126, 0.08), transparent 18%),
        linear-gradient(180deg, #07111f 0%, #081321 100%);
    min-height: 100vh;
    line-height: 1.45;
}
a { color: #d5e7ff; text-decoration: none; }
a:hover { text-decoration: none; }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.container { width: min(100%, 1120px); margin: 0 auto; padding: 0 18px; }
.main { padding-bottom: 36px; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(12px);
    background: rgba(7, 17, 31, 0.78);
    border-bottom: 1px solid var(--line);
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 800;
    letter-spacing: 0.01em;
}
.brand-mark {
    width: 28px;
    height: 28px;
    display: inline-grid;
    place-items: center;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #03101d;
    box-shadow: 0 8px 20px rgba(97, 167, 255, 0.35);
}
.nav-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.nav-scroll::-webkit-scrollbar { display: none; }
.nav-pills {
    display: inline-flex;
    gap: 8px;
    white-space: nowrap;
}
.nav-pill {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--muted);
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.02);
}
.nav-pill.active, .nav-pill:hover {
    color: var(--text);
    border-color: var(--line-strong);
    background: rgba(255,255,255,0.06);
}
.hero {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: end;
    padding: 32px 0 22px;
}
.eyebrow {
    margin: 0 0 8px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent-2);
}
.eyebrow.small { font-size: 0.72rem; }
.hero h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.02;
    letter-spacing: -0.03em;
}
.hero-copy {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 1rem;
}
.hero-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.chip, .badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: rgba(255,255,255,0.04);
    font-size: 0.86rem;
}
.badge-soft { background: rgba(97, 167, 255, 0.12); border-color: rgba(97, 167, 255, 0.2); color: #d6e8ff; }
.badge-ok { background: rgba(36, 196, 126, 0.12); border-color: rgba(36, 196, 126, 0.24); color: #c7fae2; }
.badge-warn { background: rgba(247, 185, 85, 0.12); border-color: rgba(247, 185, 85, 0.24); color: #ffe6b4; }
.badge-muted { background: rgba(148, 163, 184, 0.1); border-color: rgba(148, 163, 184, 0.2); color: #d3dbe8; }
.card {
    background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
}
.card-head { margin-bottom: 18px; }
.card-head h2, .card h3 { margin: 0 0 8px; }
.split-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.muted { color: var(--muted); }
.small-text { font-size: 0.82rem; }
.dot { opacity: 0.45; margin: 0 6px; }
.stack { display: grid; gap: 16px; }
.compact-stack { gap: 14px; }
label { display: grid; gap: 8px; font-weight: 600; }
label span { color: #dbe7fb; font-size: 0.94rem; }
input, select, textarea, button {
    font: inherit;
}
input, select, textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(5, 12, 22, 0.72);
    color: var(--text);
    outline: none;
}
input::placeholder { color: #7788a7; }
input:focus, select:focus, textarea:focus {
    border-color: rgba(97, 167, 255, 0.55);
    box-shadow: 0 0 0 4px rgba(97, 167, 255, 0.14);
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 16px;
    border-radius: 14px;
    border: 1px solid var(--line-strong);
    background: rgba(255,255,255,0.04);
    color: var(--text);
    cursor: pointer;
    transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(97, 167, 255, 0.4); }
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #79b7ff);
    color: #03101d;
    border-color: transparent;
    font-weight: 700;
}
.btn-danger { border-color: rgba(248, 113, 113, 0.28); color: #ffd7d7; }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; }
.flash {
    margin: 0 0 18px;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--line-strong);
}
.flash-success { background: rgba(36, 196, 126, 0.12); border-color: rgba(36, 196, 126, 0.2); }
.flash-error { background: rgba(248, 113, 113, 0.12); border-color: rgba(248, 113, 113, 0.2); }
.auth-grid,
.dashboard-grid {
    display: grid;
    gap: 18px;
}
.auth-grid { grid-template-columns: minmax(0, 560px) minmax(0, 1fr); align-items: start; }
.dashboard-grid { grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr); }
.single-column { display: grid; gap: 18px; }
.auth-card, .feature-card, .form-card { padding: 24px; }
.info-card { align-self: stretch; }
.feature-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    display: grid;
    gap: 10px;
}
.lookup-form .action-row,
.action-row,
.mini-actions,
.user-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.result-card {
    margin-top: 10px;
    padding: 18px;
    border-radius: 18px;
    border: 1px solid rgba(97, 167, 255, 0.18);
    background: linear-gradient(180deg, rgba(97, 167, 255, 0.08), rgba(97, 167, 255, 0.04));
}
.result-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: start;
}
.result-serial { color: var(--muted); margin-top: 6px; }
.result-value {
    margin-top: 14px;
    padding: 18px;
    border-radius: 16px;
    background: rgba(3, 10, 18, 0.52);
    border: 1px solid rgba(148, 163, 184, 0.16);
    font: 800 clamp(1.8rem, 4vw, 3rem)/1 ui-monospace, SFMono-Regular, Consolas, monospace;
    letter-spacing: 0.06em;
    overflow-wrap: anywhere;
}
.stat-list {
    display: grid;
    gap: 12px;
}
.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat-item {
    padding: 16px;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--line);
    display: grid;
    gap: 6px;
}
.stat-item strong { font-size: 1.4rem; }
.stat-item span { color: var(--muted); }
.side-stack { align-content: start; }
.section-block { margin-top: 18px; }
.pair-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.user-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 14px;
}
.user-card {
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.03);
    display: grid;
    gap: 14px;
}
.user-card-top { display: flex; justify-content: space-between; gap: 12px; }
.user-name { font-size: 1.04rem; font-weight: 700; }
.user-meta { margin-top: 6px; color: var(--muted); }
.user-card-body { display: grid; gap: 8px; }
.meta-line {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
}
.meta-line strong { color: var(--text); font-weight: 600; }
.inline-form { display: inline-flex; gap: 10px; flex-wrap: wrap; }
.reset-form input { min-width: 180px; }
.inline-search {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.inline-search input { flex: 1 1 220px; }
.log-stack { gap: 14px; }
.log-card { padding: 18px; }
.log-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.log-context {
    margin: 14px 0 0;
    padding: 14px;
    border-radius: 14px;
    background: rgba(3, 10, 18, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.14);
    overflow-x: auto;
    color: #dbe8ff;
}
.foot-link { margin: 14px 0 0; }
@media (max-width: 920px) {
    .auth-grid, .dashboard-grid { grid-template-columns: 1fr; }
    .hero { align-items: start; flex-direction: column; }
    .hero-meta { width: 100%; }
}
@media (max-width: 700px) {
    .container { padding: 0 14px; }
    .topbar-inner { padding: 14px; }
    .hero { padding-top: 22px; }
    .card { padding: 18px; border-radius: 18px; }
    .pair-grid, .two-up, .three-up { grid-template-columns: 1fr; }
    .result-top, .user-card-top, .log-head, .split-head { flex-direction: column; }
    .action-row, .mini-actions, .user-actions, .inline-search, .inline-form { flex-direction: column; align-items: stretch; }
    .reset-form input { min-width: 0; }
    .btn, .nav-pill { min-height: 44px; }
}