/* ─────────────────────────────────────────────
   CogniKin Console
   Brand system v1.0 — emerald-primary, deep-space,
   dialled-down neon for 8-hour admin use.
   Source brand doc: CogniKin Brand System.html (2026-04-18)
   Modifications: glitch demoted to login-only,
   Human/Agent duo-brand collapsed, amber reserved as
   ephemeral status only (never chrome).
   ───────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Audiowide&family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Canvas — deep space with warm bias */
    --ck-bg-0: #050510;
    --ck-bg-1: #0d0d1a;
    --ck-bg-2: #14142a;
    --ck-bg-3: #1a1a2e;
    --ck-bg-ink: #08080f;

    /* Text */
    --ck-fg-0: #f5f5f7;
    --ck-fg-1: #a0a0b0;
    --ck-fg-2: #6b6b7f;
    --ck-fg-3: #3a3a4a;

    /* Accent — emerald IS CogniKin */
    --ck-emerald-glow: #00ff88;
    --ck-emerald-neon: #10b981;
    --ck-emerald-from: #059669;
    --ck-emerald-to:   #34d399;
    --ck-emerald-dim:  #047857;

    /* Ephemeral status — amber only as a pill, never chrome */
    --ck-amber-glow: #ffd700;
    --ck-amber-neon: #d4a017;

    /* Functional */
    --ck-danger: #ff5f5f;
    --ck-warn: #ffb545;
    --ck-info:  var(--ck-emerald-glow);

    /* Typography */
    --font-display: 'Audiowide', system-ui, sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    /* Structure */
    --rule: 1px solid rgba(255,255,255,0.06);
    --rule-strong: 1px solid rgba(255,255,255,0.12);
    --rule-emerald: 1px solid rgba(0,255,136,0.2);

    /* Radius */
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 14px;
    --r-pill: 9999px;

    /* Glass */
    --glass-bg: rgba(8,8,16,0.55);
    --glass-border: rgba(0,255,136,0.08);
    --glass-blur: 14px;

    /* Shadows — dialled down for admin use */
    --sh-sm: 0 1px 2px rgba(0,0,0,0.35);
    --sh-md: 0 4px 12px rgba(0,0,0,0.4);
    --sh-lg: 0 10px 30px rgba(0,0,0,0.55);

    /* Glow — used sparingly */
    --glow-emerald-soft: 0 0 12px rgba(0,255,136,0.18);
    --glow-emerald-med:  0 0 20px rgba(0,255,136,0.28);
    --glow-emerald-hard: 0 0 28px rgba(0,255,136,0.45), 0 0 60px rgba(16,185,129,0.25);

    /* Motion */
    --t-fast: 120ms ease;
    --t-med: 200ms ease;
    --t-slow: 320ms ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    font-family: var(--font-sans);
    background: var(--ck-bg-0);
    color: var(--ck-fg-0);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: 'rlig' 1, 'calt' 1;
}
body {
    min-height: 100vh;
    background:
        radial-gradient(800px 500px at 88% -8%, rgba(0,255,136,0.05), transparent 60%),
        radial-gradient(900px 600px at -5% 35%, rgba(16,185,129,0.03), transparent 60%),
        var(--ck-bg-0);
}
a { color: var(--ck-emerald-glow); text-decoration: none; }
a:hover { color: var(--ck-emerald-to); }
::selection { background: rgba(0,255,136,0.3); color: #fff; }

/* Scrollbar — emerald accent */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ck-bg-0); }
::-webkit-scrollbar-thumb { background: var(--ck-emerald-from); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--ck-emerald-to); }

/* ─────────────────────────────────────────────
   Navigation
   ───────────────────────────────────────────── */
.nav {
    background: rgba(5,5,16,0.78);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: var(--rule);
    color: var(--ck-fg-1);
    padding: 0.75rem 1.5rem;
    padding-left: max(1.5rem, env(safe-area-inset-left));
    padding-right: max(1.5rem, env(safe-area-inset-right));
    display: flex;
    gap: 0.25rem;
    align-items: center;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 50;
}

/* Mobile nav — horizontal scroll strip instead of wrap */
@media (max-width: 880px) {
    .nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 0.55rem 0.85rem;
        gap: 0.15rem;
    }
    .nav::-webkit-scrollbar { display: none; }
    .nav a {
        flex-shrink: 0;
        white-space: nowrap;
        font-size: 0.74rem;
        padding: 0.4rem 0.65rem;
    }
    .nav .brand {
        font-size: 0.85rem;
        margin-right: 0.5rem;
        flex-shrink: 0;
    }
    .nav-spacer { display: none; }
    .brain-selector {
        flex-shrink: 0;
    }
}
.nav a {
    color: var(--ck-fg-1);
    padding: 0.5rem 0.85rem;
    border-radius: var(--r-sm);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: color var(--t-fast), background var(--t-fast);
}
.nav a:hover {
    color: var(--ck-fg-0);
    background: rgba(255,255,255,0.04);
}
.nav a.active {
    color: var(--ck-emerald-glow);
    background: rgba(0,255,136,0.06);
}
.nav .brand {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--ck-fg-0);
    margin-right: 1rem;
    padding: 0.35rem 0.25rem;
    text-shadow: 0 0 12px rgba(0,255,136,0.35);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}
.nav .brand::before {
    content: '';
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--ck-emerald-glow);
    box-shadow: 0 0 10px var(--ck-emerald-glow);
    animation: brand-pulse 3s ease-in-out infinite;
}
@keyframes brand-pulse {
    0%, 100% { opacity: 0.55; }
    50%      { opacity: 1; }
}
.nav-spacer { flex: 1; }
.nav-user {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    color: var(--ck-fg-2);
    text-transform: uppercase;
    margin-right: 0.5rem;
}
.nav-logout {
    color: var(--ck-fg-2) !important;
    font-size: 0.8rem;
}
.nav-logout:hover { color: var(--ck-danger) !important; background: rgba(255,95,95,0.06) !important; }

.nav-badge {
    background: var(--ck-emerald-from);
    color: #041b12;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.1rem 0.45rem;
    border-radius: var(--r-pill);
    margin-left: 0.3rem;
    box-shadow: var(--glow-emerald-soft);
}

/* ─────────────────────────────────────────────
   Layout
   ───────────────────────────────────────────── */
.container {
    max-width: 1280px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

/* ─────────────────────────────────────────────
   Cards
   ───────────────────────────────────────────── */
.card {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
    border: var(--rule);
    border-radius: var(--r-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--sh-sm);
    transition: border-color var(--t-med), box-shadow var(--t-med);
}
.card:hover {
    border-color: rgba(0,255,136,0.12);
}
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.card h3 {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ck-fg-2);
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-weight: 500;
}
.card .value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 400;
    line-height: 1;
    margin-top: 0.75rem;
    color: var(--ck-fg-0);
    letter-spacing: 0.01em;
}

/* ─────────────────────────────────────────────
   Tables
   ───────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }
th, td {
    padding: 0.85rem 0.9rem;
    text-align: left;
    border-bottom: var(--rule);
    font-size: 0.86rem;
}
th {
    background: rgba(255,255,255,0.02);
    color: var(--ck-fg-2);
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}
tr:hover td { background: rgba(0,255,136,0.02); }

/* ─────────────────────────────────────────────
   Badges — glass pills
   ───────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: var(--r-pill);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1px solid transparent;
}
.badge-green { background: rgba(0,255,136,0.08); color: var(--ck-emerald-glow); border-color: rgba(0,255,136,0.25); }
.badge-red   { background: rgba(255,95,95,0.08); color: var(--ck-danger);        border-color: rgba(255,95,95,0.25); }
.badge-blue  { background: rgba(100,150,255,0.08); color: #6aa1ff;               border-color: rgba(100,150,255,0.22); }
.badge-yellow{ background: rgba(255,215,0,0.08); color: var(--ck-amber-glow);    border-color: rgba(255,215,0,0.22); }
.badge-gray  { background: rgba(255,255,255,0.04); color: var(--ck-fg-2);        border-color: rgba(255,255,255,0.08); }

/* ─────────────────────────────────────────────
   Buttons
   ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--r-md);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: all var(--t-med);
    line-height: 1.25;
}
.btn-primary {
    background: linear-gradient(135deg, var(--ck-emerald-from) 0%, var(--ck-emerald-to) 100%);
    color: #041b12;
    box-shadow: 0 4px 14px rgba(0,255,136,0.18), inset 0 0 0 1px rgba(0,255,136,0.3);
}
.btn-primary:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0,255,136,0.25), inset 0 0 0 1px rgba(0,255,136,0.45);
}
.btn-secondary {
    background: rgba(255,255,255,0.04);
    color: var(--ck-fg-0);
    border-color: rgba(0,255,136,0.25);
    backdrop-filter: blur(6px);
}
.btn-secondary:hover {
    background: rgba(0,255,136,0.07);
    border-color: rgba(0,255,136,0.5);
}
.btn-success {
    background: linear-gradient(135deg, var(--ck-emerald-from), var(--ck-emerald-to));
    color: #041b12;
    box-shadow: var(--glow-emerald-soft);
}
.btn-danger {
    background: rgba(255,95,95,0.1);
    color: var(--ck-danger);
    border-color: rgba(255,95,95,0.3);
}
.btn-danger:hover {
    background: rgba(255,95,95,0.18);
    border-color: rgba(255,95,95,0.5);
}
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.76rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─────────────────────────────────────────────
   Forms
   ───────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
    display: block;
    margin-bottom: 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ck-fg-2);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: rgba(255,255,255,0.02);
    color: var(--ck-fg-0);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--r-md);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color var(--t-med), box-shadow var(--t-med), background var(--t-med);
}
.form-control::placeholder { color: var(--ck-fg-3); }
.form-control:focus {
    outline: none;
    border-color: rgba(0,255,136,0.55);
    background: rgba(0,255,136,0.03);
    box-shadow: 0 0 0 3px rgba(0,255,136,0.1);
}
textarea.form-control { resize: vertical; min-height: 100px; font-family: var(--font-mono); font-size: 0.85rem; }
select.form-control {
    appearance: auto;
    background-color: rgba(10,10,20,0.8);
    color: var(--ck-fg-0);
}
select.form-control option { background: var(--ck-bg-1); color: var(--ck-fg-0); }

/* ─────────────────────────────────────────────
   Filter bar
   ───────────────────────────────────────────── */
.filter-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ─────────────────────────────────────────────
   Alerts — glass style, never hot
   ───────────────────────────────────────────── */
.alert {
    padding: 0.85rem 1.1rem;
    border-radius: var(--r-md);
    margin-bottom: 1rem;
    font-size: 0.88rem;
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}
.alert::before {
    content: '';
    flex: 0 0 3px;
    align-self: stretch;
    border-radius: 2px;
    background: currentColor;
    opacity: 0.55;
}
.alert-error    { background: rgba(255,95,95,0.06); color: #ffb3b3;            border-color: rgba(255,95,95,0.25); }
.alert-success  { background: rgba(0,255,136,0.06); color: var(--ck-emerald-to); border-color: rgba(0,255,136,0.25); }
.alert-info     { background: rgba(0,255,136,0.04); color: var(--ck-fg-0);     border-color: rgba(0,255,136,0.18); }
.alert-warning  { background: rgba(255,215,0,0.06); color: #ffd98a;            border-color: rgba(255,215,0,0.28); }

/* ─────────────────────────────────────────────
   Auth pages — full brand treatment
   ───────────────────────────────────────────── */
body.auth-page {
    background:
        radial-gradient(520px 380px at 78% 12%, rgba(0,255,136,0.14), transparent 60%),
        radial-gradient(620px 440px at 8% 80%, rgba(16,185,129,0.06), transparent 60%),
        var(--ck-bg-0);
}
body.auth-page::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
        linear-gradient(rgba(0,255,136,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,255,136,0.04) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at 50% 0%, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.auth-container {
    position: relative;
    z-index: 1;
    max-width: 440px;
    margin: 5rem auto;
}
.auth-card {
    background: rgba(8,8,18,0.55);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(0,255,136,0.12);
    border-radius: var(--r-lg);
    padding: 2.25rem 2rem 1.75rem;
    box-shadow: 0 16px 60px rgba(0,0,0,0.55), 0 0 40px rgba(0,255,136,0.04);
}
.auth-header {
    text-align: center;
    margin-bottom: 1.75rem;
}
.auth-header h1 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--ck-fg-0);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-shadow: 0 0 18px rgba(0,255,136,0.35);
}
.auth-header p {
    color: var(--ck-fg-1);
    font-size: 0.88rem;
    margin-top: 0.6rem;
}
.auth-footer {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.82rem;
    color: var(--ck-fg-2);
}
.auth-footer a { color: var(--ck-emerald-glow); }
.auth-footer a:hover { color: var(--ck-emerald-to); text-shadow: 0 0 8px rgba(0,255,136,0.4); }

/* Auth-page wordmark treatment — login only, subtle border trace on entrance */
.wordmark-trace {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(36px, 5vw, 52px);
    letter-spacing: 0.26em;
    color: var(--ck-fg-0);
    text-transform: uppercase;
    text-shadow: 0 0 22px rgba(0,255,136,0.55), 0 0 60px rgba(16,185,129,0.25);
    display: inline-block;
    animation: trace-in 1400ms ease-out both;
}
@keyframes trace-in {
    0%   { opacity: 0; letter-spacing: 0.55em; filter: blur(6px); }
    60%  { opacity: 0.7; filter: blur(1px); }
    100% { opacity: 1; letter-spacing: 0.26em; filter: blur(0); }
}

/* ─────────────────────────────────────────────
   Modals
   ───────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 100;
    align-items: center;
    justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
    background: var(--ck-bg-1);
    border: 1px solid rgba(0,255,136,0.15);
    border-radius: var(--r-lg);
    padding: 1.75rem 1.75rem 1.5rem;
    max-width: 520px;
    width: 92%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--sh-lg), 0 0 50px rgba(0,255,136,0.08);
}
.modal h3 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.2rem;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
    color: var(--ck-fg-0);
}
.modal .actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* ─────────────────────────────────────────────
   Tabs
   ───────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: var(--rule);
    margin-bottom: 1.25rem;
}
.tab {
    padding: 0.7rem 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ck-fg-2);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: color var(--t-med), border-color var(--t-med);
}
.tab:hover { color: var(--ck-fg-0); }
.tab.active {
    color: var(--ck-emerald-glow);
    border-bottom-color: var(--ck-emerald-glow);
}

/* ─────────────────────────────────────────────
   Connection cards
   ───────────────────────────────────────────── */
.conn-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}
.conn-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
    border: var(--rule);
    border-left: 3px solid var(--ck-emerald-from);
    border-radius: var(--r-lg);
    padding: 1.25rem;
    transition: border-color var(--t-med), transform var(--t-med);
}
.conn-card:hover {
    border-color: rgba(0,255,136,0.2);
    border-left-color: var(--ck-emerald-glow);
    transform: translateY(-1px);
}
.conn-card.blocked {
    border-left-color: var(--ck-danger);
    opacity: 0.65;
}
.conn-card .conn-brain {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.05rem;
    letter-spacing: 0.04em;
    color: var(--ck-fg-0);
}
.conn-card .conn-meta {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--ck-fg-2);
    margin-top: 0.45rem;
    letter-spacing: 0.04em;
}

/* ─────────────────────────────────────────────
   Expandable rows
   ───────────────────────────────────────────── */
.expand-row { cursor: pointer; }
.expand-row:hover td { background: rgba(0,255,136,0.04); }
.expand-content {
    display: none;
    padding: 1rem;
    background: rgba(0,0,0,0.3);
    border-bottom: var(--rule);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--ck-fg-1);
}
.expand-content.open { display: table-row; }
.gate-reason-row td { border-bottom: 2px solid rgba(0,255,136,0.12); }

/* ─────────────────────────────────────────────
   Slider
   ───────────────────────────────────────────── */
input[type="range"] {
    width: 100%;
    accent-color: var(--ck-emerald-glow);
}

/* ─────────────────────────────────────────────
   Loading / HTMX
   ───────────────────────────────────────────── */
.loading { color: var(--ck-fg-2); font-style: italic; font-family: var(--font-mono); font-size: 0.82rem; }
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline; }
.htmx-request.htmx-indicator { display: inline; }

/* ─────────────────────────────────────────────
   Pagination
   ───────────────────────────────────────────── */
.pagination {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    align-items: center;
}
.pagination .page-info {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ck-fg-2);
    letter-spacing: 0.08em;
    flex: 1;
}

/* ─────────────────────────────────────────────
   Empty state
   ───────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--ck-fg-2);
}
.empty-state h3 {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 1.15rem;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
    color: var(--ck-fg-1);
}

/* ─────────────────────────────────────────────
   Brain selector dropdown
   ───────────────────────────────────────────── */
.brain-selector { position: relative; }
.brain-selector-btn {
    background: rgba(255,255,255,0.04);
    color: var(--ck-fg-0);
    border: 1px solid rgba(0,255,136,0.18);
    padding: 0.4rem 0.85rem;
    border-radius: var(--r-md);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: border-color var(--t-med), background var(--t-med);
}
.brain-selector-btn:hover {
    background: rgba(0,255,136,0.05);
    border-color: rgba(0,255,136,0.4);
}
.brain-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: var(--ck-bg-1);
    border: 1px solid rgba(0,255,136,0.15);
    border-radius: var(--r-md);
    box-shadow: var(--sh-lg), 0 0 40px rgba(0,255,136,0.06);
    min-width: 220px;
    z-index: 50;
    overflow: hidden;
}
.brain-option {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0.65rem 1rem;
    border: none;
    background: none;
    font-family: var(--font-sans);
    font-size: 0.86rem;
    color: var(--ck-fg-1);
    cursor: pointer;
    text-align: left;
    transition: background var(--t-fast), color var(--t-fast);
}
.brain-option:hover {
    background: rgba(0,255,136,0.06);
    color: var(--ck-fg-0);
}
.brain-option.active {
    font-weight: 600;
    color: var(--ck-emerald-glow);
}
.brain-check { margin-left: auto; font-size: 0.72rem; color: var(--ck-emerald-glow); }
.brain-divider { border-top: 1px solid rgba(255,255,255,0.06); margin: 0.25rem 0; }
.brain-option.brain-create {
    color: var(--ck-emerald-to);
    font-weight: 500;
}
.brain-create-form {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
    align-items: center;
}
.brain-create-form input { flex: 1; font-size: 0.84rem; padding: 0.4rem 0.6rem; }
[x-cloak] { display: none !important; }

/* ─────────────────────────────────────────────
   Action buttons inline
   ───────────────────────────────────────────── */
.action-btns { white-space: nowrap; }
.action-btns .btn { margin-right: 0.25rem; }

/* ─────────────────────────────────────────────
   Toast notifications
   ───────────────────────────────────────────── */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}
.toast {
    background: rgba(8,8,18,0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0,255,136,0.18);
    color: var(--ck-fg-0);
    padding: 0.85rem 1.2rem;
    border-radius: var(--r-md);
    font-size: 0.86rem;
    box-shadow: var(--sh-lg);
    opacity: 0;
    transform: translateX(110%);
    transition: opacity var(--t-slow), transform var(--t-slow);
    pointer-events: auto;
    max-width: 420px;
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
}
.toast::before {
    content: '';
    width: 3px;
    align-self: stretch;
    border-radius: 2px;
    background: currentColor;
    flex-shrink: 0;
    opacity: 0.7;
}
.toast-show {
    opacity: 1;
    transform: translateX(0);
}
.toast-info    { color: var(--ck-emerald-glow); }
.toast-success { color: var(--ck-emerald-to); }
.toast-warning { color: var(--ck-warn); border-color: rgba(255,181,69,0.28); }
.toast-error   { color: var(--ck-danger); border-color: rgba(255,95,95,0.28); }

/* ─────────────────────────────────────────────
   Responsive
   ───────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav { padding: 0.5rem 0.75rem; gap: 0.1rem; }
    .nav a { padding: 0.4rem 0.6rem; font-size: 0.76rem; }
    .nav .brand { font-size: 0.85rem; margin-right: 0.5rem; }
    .container { padding: 0 0.5rem; margin: 1rem auto; }
    .cards { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
    .conn-cards { grid-template-columns: 1fr; }
    table { font-size: 0.78rem; }
    th, td { padding: 0.55rem 0.5rem; }
    #toast-container { left: 0.5rem; right: 0.5rem; }
    .toast { max-width: 100%; }
    .auth-container { margin: 2rem auto; padding: 0 1rem; }
    .auth-card { padding: 1.75rem 1.25rem 1.25rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}