:root {
    color-scheme: dark;
    --sk-font-sans: "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", sans-serif;
    --sk-font-mono: "Cascadia Code", "Consolas", monospace;
    --sk-shell-bg: #0f1013;
    --sk-sidebar-bg: #121317;
    --sk-topbar-bg: rgba(18, 19, 23, 0.9);
    --sk-content-bg: #17181d;
    --sk-panel-bg: #1c1e24;
    --sk-panel-bg-2: #22242b;
    --sk-border: #2a2e37;
    --sk-border-strong: #363b46;
    --sk-text: #f2f4f8;
    --sk-text-muted: #99a2b3;
    --sk-text-soft: #7e8798;
    --sk-accent: #ffffff;
    --sk-accent-strong: #e8ecf4;
    --sk-accent-tint: rgba(255, 255, 255, 0.08);
    --sk-success-bg: #132d22;
    --sk-success-border: #22583f;
    --sk-success-text: #8ee0af;
    --sk-danger-bg: #32181c;
    --sk-danger-border: #6c2c36;
    --sk-danger-text: #ffb1b8;
    --sk-warning-bg: #332611;
    --sk-warning-border: #78592a;
    --sk-warning-text: #ffd580;
    --sk-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

:root[data-theme="light"] {
    color-scheme: light;
    --sk-shell-bg: #f3f5f9;
    --sk-sidebar-bg: #ffffff;
    --sk-topbar-bg: rgba(255, 255, 255, 0.86);
    --sk-content-bg: #f7f8fb;
    --sk-panel-bg: #ffffff;
    --sk-panel-bg-2: #f5f7fb;
    --sk-border: #dce2ec;
    --sk-border-strong: #c8d0dd;
    --sk-text: #152033;
    --sk-text-muted: #55637b;
    --sk-text-soft: #73819b;
    --sk-accent: #111827;
    --sk-accent-strong: #0f172a;
    --sk-accent-tint: rgba(17, 24, 39, 0.06);
    --sk-success-bg: #eaf8ef;
    --sk-success-border: #bddfc8;
    --sk-success-text: #166534;
    --sk-danger-bg: #fff1f2;
    --sk-danger-border: #f3c1c7;
    --sk-danger-text: #b42318;
    --sk-warning-bg: #fffbeb;
    --sk-warning-border: #f2dea6;
    --sk-warning-text: #9a6700;
    --sk-shadow: 0 18px 45px rgba(20, 32, 51, 0.08);
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: var(--sk-font-sans);
    background: var(--sk-shell-bg);
    color: var(--sk-text);
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

code,
pre {
    font-family: var(--sk-font-mono);
}

.sk-user-autocomplete-results {
    margin-top: 0.4rem;
    border: 1px solid var(--sk-border);
    border-radius: 0.9rem;
    background: var(--sk-panel-bg);
    box-shadow: var(--sk-shadow);
    max-height: 16rem;
    overflow: auto;
}

.sk-user-autocomplete-option {
    width: 100%;
    display: block;
    padding: 0.8rem 0.95rem;
    border: 0;
    background: transparent;
    color: var(--sk-text);
    text-align: left;
    cursor: pointer;
}

.sk-user-autocomplete-option + .sk-user-autocomplete-option {
    border-top: 1px solid var(--sk-border);
}

.sk-user-autocomplete-option:hover {
    background: var(--sk-accent-tint);
}

.sk-user-picker-summary {
    margin-top: 0.55rem;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--sk-border);
    border-radius: 0.9rem;
    background: var(--sk-panel-bg-2);
}

.sk-user-picker-summary strong {
    display: block;
}

.sk-user-picker-summary span {
    display: block;
    margin-top: 0.2rem;
    color: var(--sk-text-muted);
    font-size: 0.92rem;
}

.sk-shell-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--sk-border);
    background: var(--sk-panel-bg);
}

.sk-shell-brand {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.85rem;
    background: var(--sk-accent);
    color: var(--sk-shell-bg);
    font-weight: 800;
}

.sk-shell-copy strong {
    display: block;
    font-size: 0.95rem;
}

.sk-shell-main {
    padding: 2rem 1.5rem;
}

.sk-shell-card {
    max-width: 56rem;
    margin: 0 auto;
    padding: 1.5rem;
    background: var(--sk-panel-bg);
    border: 1px solid var(--sk-border);
    border-radius: 1rem;
    box-shadow: var(--sk-shadow);
}

.sk-auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background:
        radial-gradient(circle at top, var(--sk-accent-tint), transparent 32rem),
        var(--sk-shell-bg);
}

.sk-auth-card {
    width: min(100%, 28rem);
    display: grid;
    gap: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--sk-border);
    border-radius: 1.1rem;
    background: var(--sk-panel-bg);
    box-shadow: var(--sk-shadow);
}

.sk-auth-brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.sk-auth-brand-mark {
    width: 2.4rem;
    height: 2.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.9rem;
    background: var(--sk-panel-bg-2);
    color: var(--sk-text);
    font-weight: 800;
}

.sk-auth-brand-copy {
    display: grid;
    gap: 0.1rem;
}

.sk-auth-brand-copy strong {
    color: var(--sk-text);
    font-size: 1rem;
}

.sk-auth-brand-copy span {
    color: var(--sk-text-soft);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.sk-auth-copy h1 {
    margin: 0;
    color: var(--sk-text);
    font-size: 1.65rem;
    line-height: 1.05;
}

.sk-auth-copy p {
    margin: 0.6rem 0 0;
    color: var(--sk-text-muted);
    line-height: 1.55;
}

.sk-auth-step-meta {
    display: grid;
    gap: 0.45rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--sk-border);
    border-radius: 0.95rem;
    background: var(--sk-panel-bg-2);
}

.sk-auth-step-meta span {
    color: var(--sk-text-muted);
    font-size: 0.92rem;
}

.sk-auth-step-meta strong {
    margin-right: 0.45rem;
    color: var(--sk-text);
}