/* ==========================================================================
   Core — Design System
   --------------------------------------------------------------------------
   Own identity (not a copy of any reference product).
   Works on top of Bootstrap 5.3 and uses its `data-bs-theme` attribute so the
   light/dark switch is native and accessible.
   ========================================================================== */

:root {
    /* Brand */
    --ch-primary: #3b5bfd;
    --ch-primary-rgb: 59, 91, 253;
    --ch-secondary: #12b886;
    --ch-accent: #7c5cff;

    /* Semantic */
    --ch-success: #16a34a;
    --ch-warning: #d97706;
    --ch-danger: #dc2626;
    --ch-info: #0891b2;

    /* Surfaces */
    --ch-background: #f6f7fb;
    --ch-surface: #ffffff;
    --ch-surface-2: #f1f3f9;
    --ch-sidebar: #0f1330;
    --ch-sidebar-text: #c7cbe6;
    --ch-sidebar-active: rgba(255, 255, 255, 0.08);

    /* Text */
    --ch-text-primary: #111528;
    --ch-text-secondary: #5b6178;

    /* Structure */
    --ch-border: #e3e6f0;
    --ch-radius: 14px;
    --ch-radius-sm: 10px;
    --ch-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
    --ch-shadow: 0 10px 30px -12px rgba(16, 24, 40, 0.18);
    --ch-shadow-lg: 0 24px 60px -20px rgba(16, 24, 40, 0.28);

    --ch-sidebar-width: 264px;
    --ch-sidebar-collapsed: 76px;
    --ch-header-height: 62px;
    --ch-font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --ch-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --ch-transition: 160ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

[data-bs-theme="dark"] {
    --ch-background: #0b0e18;
    --ch-surface: #141827;
    --ch-surface-2: #1b2033;
    --ch-sidebar: #0a0d16;
    --ch-sidebar-text: #a9b0cd;
    --ch-text-primary: #f2f4fb;
    --ch-text-secondary: #a2a9c4;
    --ch-border: #262c42;
    --ch-shadow: 0 14px 34px -16px rgba(0, 0, 0, 0.7);
    --ch-shadow-lg: 0 30px 70px -24px rgba(0, 0, 0, 0.8);
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
html, body {
    height: 100%;
}

body {
    font-family: var(--ch-font-sans);
    background: var(--ch-background);
    color: var(--ch-text-primary);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--ch-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code, .ch-mono {
    font-family: var(--ch-font-mono);
    font-size: 0.85em;
}

.ch-text-secondary { color: var(--ch-text-secondary) !important; }
.ch-text-primary { color: var(--ch-text-primary) !important; }
.ch-bg-surface { background: var(--ch-surface) !important; }
.ch-bg-soft { background: var(--ch-surface-2) !important; }

:focus-visible {
    outline: 2px solid var(--ch-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.visually-hidden-focusable:focus {
    position: fixed;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 2000;
    background: var(--ch-surface);
    padding: 0.5rem 1rem;
    border-radius: var(--ch-radius-sm);
    box-shadow: var(--ch-shadow);
}

/* Skip link target offset */
main {
    scroll-margin-top: calc(var(--ch-header-height) + 1rem);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    --bs-btn-border-radius: 10px;
    font-weight: 500;
    transition: transform var(--ch-transition), box-shadow var(--ch-transition), background-color var(--ch-transition);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    --bs-btn-bg: var(--ch-primary);
    --bs-btn-border-color: var(--ch-primary);
    --bs-btn-hover-bg: #2c49e0;
    --bs-btn-hover-border-color: #2c49e0;
    --bs-btn-active-bg: #2743cf;
    --bs-btn-active-border-color: #2743cf;
    box-shadow: 0 8px 20px -12px rgba(var(--ch-primary-rgb), 0.9);
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--ch-border);
    color: var(--ch-text-primary);
}

.btn-ghost:hover {
    background: var(--ch-surface-2);
    color: var(--ch-text-primary);
    border-color: var(--ch-border);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 10px;
}

/* --------------------------------------------------------------------------
   Cards, surfaces
   -------------------------------------------------------------------------- */
.ch-card {
    background: var(--ch-surface);
    border: 1px solid var(--ch-border);
    border-radius: var(--ch-radius);
    box-shadow: var(--ch-shadow-sm);
}

.ch-card-hover {
    transition: transform var(--ch-transition), box-shadow var(--ch-transition), border-color var(--ch-transition);
}

.ch-card-hover:hover {
    transform: translateY(-2px);
    box-shadow: var(--ch-shadow);
    border-color: color-mix(in srgb, var(--ch-primary) 35%, var(--ch-border));
}

.ch-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--ch-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.ch-card-body { padding: 1.25rem; }

.ch-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    color: var(--ch-text-primary);
}

.ch-section-title {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ch-text-secondary);
    font-weight: 600;
}

/* Metric card */
.ch-metric {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.15rem 1.25rem;
}

.ch-metric-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.2rem;
    background: color-mix(in srgb, var(--ch-primary) 12%, transparent);
    color: var(--ch-primary);
    flex: 0 0 auto;
}

.ch-metric-icon.is-success { background: color-mix(in srgb, var(--ch-success) 14%, transparent); color: var(--ch-success); }
.ch-metric-icon.is-warning { background: color-mix(in srgb, var(--ch-warning) 16%, transparent); color: var(--ch-warning); }
.ch-metric-icon.is-danger  { background: color-mix(in srgb, var(--ch-danger) 14%, transparent); color: var(--ch-danger); }
.ch-metric-icon.is-info    { background: color-mix(in srgb, var(--ch-info) 14%, transparent); color: var(--ch-info); }

.ch-metric-value {
    font-size: 1.6rem;
    font-weight: 650;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.ch-metric-label {
    font-size: 0.82rem;
    color: var(--ch-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ch-metric-delta {
    font-size: 0.78rem;
    color: var(--ch-text-secondary);
}

/* --------------------------------------------------------------------------
   Dashboard shell
   -------------------------------------------------------------------------- */
.ch-shell { min-height: 100vh; }

.ch-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--ch-sidebar-width);
    background: var(--ch-sidebar);
    color: var(--ch-sidebar-text);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: width var(--ch-transition), transform var(--ch-transition);
}

.ch-sidebar-brand {
    height: var(--ch-header-height);
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0 1rem;
    color: #fff;
    font-weight: 650;
    letter-spacing: -0.01em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    white-space: nowrap;
    overflow: hidden;
}

.ch-sidebar-brand:hover { color: #fff; text-decoration: none; }

.ch-brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--ch-primary), var(--ch-accent));
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 1rem;
    flex: 0 0 auto;
}

.ch-nav {
    padding: 0.75rem 0.6rem 1.5rem;
    overflow-y: auto;
    flex: 1 1 auto;
    scrollbar-width: thin;
}

.ch-nav-group {
    margin: 1.1rem 0 0.35rem;
    padding: 0 0.75rem;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
    white-space: nowrap;
    overflow: hidden;
}

.ch-nav-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.75rem;
    margin: 2px 0;
    border-radius: 10px;
    color: var(--ch-sidebar-text);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
}

.ch-nav-link i {
    font-size: 1.05rem;
    width: 20px;
    text-align: center;
    flex: 0 0 auto;
}

.ch-nav-link:hover {
    background: var(--ch-sidebar-active);
    color: #fff;
    text-decoration: none;
}

.ch-nav-link.active {
    background: linear-gradient(90deg, rgba(59, 91, 253, 0.9), rgba(124, 92, 255, 0.75));
    color: #fff;
    box-shadow: 0 8px 20px -12px rgba(59, 91, 253, 0.9);
}

.ch-nav-link .badge { margin-left: auto; }

.ch-sidebar-footer {
    padding: 0.9rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.45);
    white-space: nowrap;
    overflow: hidden;
}

.ch-main {
    margin-left: var(--ch-sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin var(--ch-transition);
}

body.ch-sidebar-collapsed .ch-sidebar { width: var(--ch-sidebar-collapsed); }
body.ch-sidebar-collapsed .ch-main { margin-left: var(--ch-sidebar-collapsed); }
body.ch-sidebar-collapsed .ch-nav-label,
body.ch-sidebar-collapsed .ch-sidebar-brand span,
body.ch-sidebar-collapsed .ch-nav-group,
body.ch-sidebar-collapsed .ch-sidebar-footer { display: none; }
body.ch-sidebar-collapsed .ch-nav-link { justify-content: center; padding: 0.6rem; }

.ch-header {
    height: var(--ch-header-height);
    position: sticky;
    top: 0;
    z-index: 1030;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1rem;
    background: color-mix(in srgb, var(--ch-surface) 88%, transparent);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--ch-border);
}

.ch-content {
    padding: 1.5rem;
    flex: 1 1 auto;
}

.ch-search-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 220px;
    max-width: 420px;
    flex: 1 1 auto;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--ch-border);
    border-radius: 10px;
    background: var(--ch-surface-2);
    color: var(--ch-text-secondary);
    font-size: 0.88rem;
    text-align: left;
}

.ch-search-trigger:hover { border-color: var(--ch-primary); color: var(--ch-text-primary); }

.ch-search-trigger kbd {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 0.15rem 0.35rem;
    border-radius: 5px;
    border: 1px solid var(--ch-border);
    background: var(--ch-surface);
    color: var(--ch-text-secondary);
}

.ch-breadcrumbs {
    font-size: 0.82rem;
    color: var(--ch-text-secondary);
    margin-bottom: 0.35rem;
}

.ch-breadcrumbs a { color: var(--ch-text-secondary); }

/* Mobile */
@media (max-width: 991.98px) {
    .ch-sidebar { transform: translateX(-100%); width: var(--ch-sidebar-width); }
    body.ch-sidebar-open .ch-sidebar { transform: translateX(0); }
    .ch-main { margin-left: 0 !important; }
    .ch-content { padding: 1rem; }
}

.ch-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(6, 9, 20, 0.5);
    z-index: 1035;
    display: none;
}

body.ch-sidebar-open .ch-backdrop { display: block; }

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.ch-table {
    --bs-table-bg: transparent;
    margin-bottom: 0;
    font-size: 0.9rem;
}

.ch-table > :not(caption) > * > * {
    padding: 0.7rem 1rem;
    border-bottom-color: var(--ch-border);
    vertical-align: middle;
}

.ch-table thead th {
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ch-text-secondary);
    font-weight: 600;
    background: var(--ch-surface-2);
    border-bottom: 1px solid var(--ch-border);
    white-space: nowrap;
}

.ch-table tbody tr:hover { background: color-mix(in srgb, var(--ch-primary) 4%, transparent); }

.ch-table-wrap {
    overflow-x: auto;
    border-radius: var(--ch-radius);
}

/* --------------------------------------------------------------------------
   Badges and status
   -------------------------------------------------------------------------- */
.ch-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 600;
    border: 1px solid transparent;
    white-space: nowrap;
}

.ch-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    flex: 0 0 auto;
}

.ch-badge.is-plain::before { display: none; }

.ch-badge-success   { color: var(--ch-success); background: color-mix(in srgb, var(--ch-success) 12%, transparent); border-color: color-mix(in srgb, var(--ch-success) 30%, transparent); }
.ch-badge-warning   { color: var(--ch-warning); background: color-mix(in srgb, var(--ch-warning) 14%, transparent); border-color: color-mix(in srgb, var(--ch-warning) 32%, transparent); }
.ch-badge-danger    { color: var(--ch-danger);  background: color-mix(in srgb, var(--ch-danger) 12%, transparent);  border-color: color-mix(in srgb, var(--ch-danger) 30%, transparent); }
.ch-badge-info      { color: var(--ch-info);    background: color-mix(in srgb, var(--ch-info) 12%, transparent);    border-color: color-mix(in srgb, var(--ch-info) 30%, transparent); }
.ch-badge-secondary { color: var(--ch-text-secondary); background: var(--ch-surface-2); border-color: var(--ch-border); }

/* Status text never relies on colour alone: it also has a dot + label. */
.ch-status { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: 0.83rem; }
.ch-status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.ch-status.is-healthy     { color: var(--ch-success); }
.ch-status.is-degraded    { color: var(--ch-warning); }
.ch-status.is-unavailable { color: var(--ch-danger); }
.ch-status.is-unknown     { color: var(--ch-text-secondary); }

/* --------------------------------------------------------------------------
   Progress / quota
   -------------------------------------------------------------------------- */
.ch-progress {
    height: 8px;
    border-radius: 999px;
    background: var(--ch-surface-2);
    overflow: hidden;
}

.ch-progress-bar {
    height: 100%;
    border-radius: 999px;
    transition: width 400ms ease;
}

.ch-progress-sm { height: 6px; }

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-control, .form-select {
    border-radius: 10px;
    border-color: var(--ch-border);
    background: var(--ch-surface);
    color: var(--ch-text-primary);
    padding: 0.5rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--ch-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ch-primary) 18%, transparent);
    background: var(--ch-surface);
    color: var(--ch-text-primary);
}

.form-label {
    font-size: 0.84rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.form-text { font-size: 0.78rem; }

.ch-required::after { content: " *"; color: var(--ch-danger); }

/* --------------------------------------------------------------------------
   Alerts, empty/error/loading states
   -------------------------------------------------------------------------- */
.ch-alert {
    border-radius: var(--ch-radius-sm);
    border: 1px solid var(--ch-border);
    background: var(--ch-surface);
    padding: 0.85rem 1rem;
    display: flex;
    gap: 0.7rem;
    align-items: flex-start;
}

.ch-alert-success { border-color: color-mix(in srgb, var(--ch-success) 35%, var(--ch-border)); }
.ch-alert-warning { border-color: color-mix(in srgb, var(--ch-warning) 35%, var(--ch-border)); }
.ch-alert-danger  { border-color: color-mix(in srgb, var(--ch-danger) 35%, var(--ch-border)); }
.ch-alert-info    { border-color: color-mix(in srgb, var(--ch-info) 35%, var(--ch-border)); }

.ch-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--ch-text-secondary);
}

.ch-empty-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    margin: 0 auto 0.9rem;
    font-size: 1.5rem;
    background: var(--ch-surface-2);
    color: var(--ch-text-secondary);
}

.ch-skeleton {
    background: linear-gradient(90deg, var(--ch-surface-2) 25%, color-mix(in srgb, var(--ch-surface-2) 60%, var(--ch-surface)) 37%, var(--ch-surface-2) 63%);
    background-size: 400% 100%;
    animation: ch-shimmer 1.3s ease infinite;
    border-radius: 8px;
    min-height: 1rem;
}

@keyframes ch-shimmer {
    0%   { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}

@media (prefers-reduced-motion: reduce) {
    .ch-skeleton { animation: none; }
    * { transition: none !important; }
}

.ch-secret {
    font-family: var(--ch-font-mono);
    background: var(--ch-surface-2);
    border: 1px dashed var(--ch-primary);
    border-radius: var(--ch-radius-sm);
    padding: 0.75rem 1rem;
    word-break: break-all;
}

/* --------------------------------------------------------------------------
   Toasts
   -------------------------------------------------------------------------- */
.ch-toasts {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 1090;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: min(92vw, 380px);
}

.ch-toast {
    background: var(--ch-surface);
    border: 1px solid var(--ch-border);
    border-left: 4px solid var(--ch-primary);
    border-radius: var(--ch-radius-sm);
    box-shadow: var(--ch-shadow);
    padding: 0.8rem 0.95rem;
    font-size: 0.88rem;
    animation: ch-slide-in 200ms ease;
}

.ch-toast.is-success { border-left-color: var(--ch-success); }
.ch-toast.is-warning { border-left-color: var(--ch-warning); }
.ch-toast.is-danger  { border-left-color: var(--ch-danger); }

@keyframes ch-slide-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Command palette
   -------------------------------------------------------------------------- */
.ch-palette {
    position: fixed;
    inset: 0;
    z-index: 1080;
    background: rgba(6, 9, 20, 0.55);
    display: none;
    padding: 8vh 1rem 1rem;
    overflow-y: auto;
}

.ch-palette.is-open { display: block; }

.ch-palette-panel {
    background: var(--ch-surface);
    border: 1px solid var(--ch-border);
    border-radius: var(--ch-radius);
    box-shadow: var(--ch-shadow-lg);
    max-width: 640px;
    margin: 0 auto;
    overflow: hidden;
}

.ch-palette input {
    border: none;
    border-bottom: 1px solid var(--ch-border);
    border-radius: 0;
    padding: 1rem 1.1rem;
    font-size: 1rem;
}

.ch-palette input:focus { box-shadow: none; border-color: var(--ch-primary); }

.ch-palette-results { max-height: 52vh; overflow-y: auto; padding: 0.5rem; }

.ch-palette-item {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 0.6rem 0.75rem;
    border-radius: 10px;
    color: var(--ch-text-primary);
    width: 100%;
    text-align: left;
    background: none;
    border: none;
}

.ch-palette-item:hover,
.ch-palette-item.is-active {
    background: var(--ch-surface-2);
    text-decoration: none;
    color: var(--ch-text-primary);
}

.ch-palette-item small { display: block; color: var(--ch-text-secondary); }

/* --------------------------------------------------------------------------
   Public site
   -------------------------------------------------------------------------- */
.ch-public-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: color-mix(in srgb, var(--ch-surface) 85%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--ch-border);
}

.ch-public-nav a {
    color: var(--ch-text-secondary);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.4rem 0.7rem;
    border-radius: 8px;
}

.ch-public-nav a:hover { color: var(--ch-text-primary); background: var(--ch-surface-2); text-decoration: none; }
.ch-public-nav a.active { color: var(--ch-primary); background: color-mix(in srgb, var(--ch-primary) 10%, transparent); }

.ch-hero {
    position: relative;
    padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2.5rem, 6vw, 5rem);
    overflow: hidden;
}

.ch-hero::before {
    content: "";
    position: absolute;
    inset: -30% -10% auto -10%;
    height: 620px;
    background:
        radial-gradient(48rem 26rem at 15% 20%, rgba(var(--ch-primary-rgb), 0.20), transparent 60%),
        radial-gradient(36rem 20rem at 85% 0%, rgba(124, 92, 255, 0.18), transparent 60%);
    pointer-events: none;
}

.ch-hero h1 {
    font-size: clamp(2.1rem, 5vw, 3.6rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.08;
}

.ch-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ch-primary);
    background: color-mix(in srgb, var(--ch-primary) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--ch-primary) 25%, transparent);
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
}

.ch-feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    background: color-mix(in srgb, var(--ch-primary) 12%, transparent);
    color: var(--ch-primary);
    margin-bottom: 0.9rem;
}

.ch-logo-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.75rem;
    align-items: center;
    justify-content: center;
    color: var(--ch-text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
}

.ch-logo-row .ch-logo-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--ch-border);
    border-radius: 999px;
    background: var(--ch-surface);
}

.ch-footer {
    border-top: 1px solid var(--ch-border);
    background: var(--ch-surface);
    padding: 3rem 0 2rem;
    font-size: 0.9rem;
    color: var(--ch-text-secondary);
}

.ch-footer h6 {
    color: var(--ch-text-primary);
    font-weight: 650;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.ch-footer a { color: var(--ch-text-secondary); }
.ch-footer a:hover { color: var(--ch-primary); }

.ch-auth-wrap {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem 1rem;
    background:
        radial-gradient(40rem 24rem at 20% 0%, rgba(var(--ch-primary-rgb), 0.14), transparent 60%),
        radial-gradient(36rem 22rem at 90% 10%, rgba(124, 92, 255, 0.12), transparent 60%),
        var(--ch-background);
}

.ch-auth-card {
    width: 100%;
    max-width: 430px;
    background: var(--ch-surface);
    border: 1px solid var(--ch-border);
    border-radius: 18px;
    box-shadow: var(--ch-shadow-lg);
    padding: 2rem;
}

/* Utilities */
.ch-truncate { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ch-break { word-break: break-all; }
.ch-mw-0 { min-width: 0; }
.ch-cursor-pointer { cursor: pointer; }
.ch-opacity-60 { opacity: 0.6; }
.ch-scroll-y { max-height: 380px; overflow-y: auto; }