/* Nexis Owner Admin — Phase 3A design system. Dark-first, no Bootstrap-demo look.
   Bootstrap is still loaded (form validation classes etc.) but nothing here relies on its visuals. */

:root {
    --nx-bg: #0B1420;
    --nx-bg-elevated: #111D2C;
    --nx-bg-card: #14202F;
    --nx-bg-hover: #1B2A3D;
    --nx-border: #223247;
    --nx-border-soft: #1A2738;
    --nx-text: #E7EEF6;
    --nx-text-dim: #93A4BA;
    --nx-text-faint: #5E7086;
    --nx-accent: #5AD1FF;
    --nx-accent-dim: #2A5A73;
    --nx-accent-contrast: #06141F;
    --nx-success: #4ADE80;
    --nx-warning: #FBBF24;
    --nx-danger: #F87171;
    --nx-info: #60A5FA;
    --nx-radius: 10px;
    --nx-radius-sm: 6px;
    --nx-shadow: 0 4px 16px rgba(0,0,0,0.35);
    --nx-sidebar-width: 240px;
}

* { box-sizing: border-box; }

html, body {
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--nx-bg);
    color: var(--nx-text);
    margin: 0;
}

a { color: var(--nx-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; margin: 0 0 16px 0; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; color: var(--nx-text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

h1:focus { outline: none; }

/* ---------- Layout shell ---------- */

.nx-shell { display: flex; min-height: 100vh; }

.nx-sidebar {
    width: var(--nx-sidebar-width);
    flex-shrink: 0;
    background: var(--nx-bg-elevated);
    border-right: 1px solid var(--nx-border-soft);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.nx-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 20px 16px 20px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--nx-text);
    border-bottom: 1px solid var(--nx-border-soft);
}

.nx-brand-mark {
    width: 32px; height: 32px; border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.nx-nav { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }

.nx-nav-section {
    padding: 14px 12px 4px 12px; font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em; color: var(--nx-text-faint);
}
.nx-nav-section:first-child { padding-top: 4px; }

.nx-nav-link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px;
    border-radius: var(--nx-radius-sm);
    color: var(--nx-text-dim);
    font-size: 0.92rem;
    font-weight: 500;
}
.nx-nav-link:hover { background: var(--nx-bg-hover); color: var(--nx-text); text-decoration: none; }
.nx-nav-link.active { background: var(--nx-accent-dim); color: var(--nx-accent); }
.nx-nav-icon { width: 16px; text-align: center; opacity: 0.85; }

.nx-nav-footer { padding: 12px; border-top: 1px solid var(--nx-border-soft); }
.nx-logout-btn {
    width: 100%; background: none; border: 1px solid var(--nx-border); color: var(--nx-text-dim);
    padding: 8px 12px; border-radius: var(--nx-radius-sm); cursor: pointer; font-size: 0.88rem;
}
.nx-logout-btn:hover { background: var(--nx-bg-hover); color: var(--nx-text); }

.nx-main { flex: 1; min-width: 0; }
.nx-topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 28px; border-bottom: 1px solid var(--nx-border-soft);
    background: var(--nx-bg-elevated);
}
.nx-content { padding: 28px; max-width: 1200px; }

/* ---------- Cards ---------- */

.nx-card {
    background: var(--nx-bg-card);
    border: 1px solid var(--nx-border-soft);
    border-radius: var(--nx-radius);
    padding: 18px 20px;
}

.nx-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin: 4px 0 24px 0; }
.nx-stat-card {
    background: var(--nx-bg-card);
    border: 1px solid var(--nx-border-soft);
    border-radius: var(--nx-radius);
    padding: 16px 18px;
}
.nx-stat-label { font-size: 0.78rem; color: var(--nx-text-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.nx-stat-value { font-size: 1.6rem; font-weight: 700; color: var(--nx-text); }
.nx-metric-sub { font-size: 0.78rem; color: var(--nx-text-dim); margin-top: 4px; }

/* ---------- Section cards (title + optional header actions) ---------- */

.nx-section-card { margin-bottom: 20px; }
.nx-section-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.nx-section-card-header h3 { margin: 0; }
.nx-section-card-actions { display: flex; gap: 8px; }

/* ---------- Log viewer ---------- */

.nx-log-box {
    background: #060B12; border: 1px solid var(--nx-border-soft); border-radius: var(--nx-radius-sm);
    padding: 12px 14px; font-family: "Cascadia Code", "Consolas", monospace; font-size: 0.78rem;
    color: var(--nx-text-dim); max-height: 320px; overflow-y: auto; white-space: pre-wrap; word-break: break-word;
}
.nx-log-box .nx-log-line-error { color: var(--nx-danger); }

.nx-log-lines-select {
    background: var(--nx-bg-elevated); border: 1px solid var(--nx-border);
    color: var(--nx-text); border-radius: var(--nx-radius-sm); padding: 6px 10px; font-size: 0.82rem;
}

/* ---------- Tables ---------- */

.nx-table-wrap { background: var(--nx-bg-card); border: 1px solid var(--nx-border-soft); border-radius: var(--nx-radius); overflow: hidden; }
table.nx-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.nx-table th {
    text-align: left; padding: 12px 16px; color: var(--nx-text-faint);
    font-weight: 600; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.05em;
    border-bottom: 1px solid var(--nx-border-soft); background: var(--nx-bg-elevated);
}
table.nx-table td { padding: 12px 16px; border-bottom: 1px solid var(--nx-border-soft); color: var(--nx-text); }
table.nx-table tbody tr:last-child td { border-bottom: none; }
table.nx-table tbody tr:hover { background: var(--nx-bg-hover); }

/* ---------- Status pills ---------- */

.nx-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 3px 10px; border-radius: 999px;
    font-size: 0.76rem; font-weight: 600; letter-spacing: 0.02em;
    text-transform: uppercase;
}
.nx-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.nx-pill-online, .nx-pill-active, .nx-pill-success { background: rgba(74,222,128,0.12); color: var(--nx-success); }
.nx-pill-offline, .nx-pill-inactive, .nx-pill-danger { background: rgba(248,113,113,0.12); color: var(--nx-danger); }
.nx-pill-degraded, .nx-pill-warning, .nx-pill-ratelimited { background: rgba(251,191,36,0.12); color: var(--nx-warning); }
.nx-pill-unauthorized { background: rgba(248,113,113,0.12); color: var(--nx-danger); }
.nx-pill-unknown, .nx-pill-neutral { background: rgba(147,164,186,0.12); color: var(--nx-text-dim); }

/* ---------- Buttons ---------- */

.nx-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 14px; border-radius: var(--nx-radius-sm);
    font-size: 0.88rem; font-weight: 600; cursor: pointer;
    border: 1px solid var(--nx-border); background: var(--nx-bg-elevated); color: var(--nx-text);
}
.nx-btn:hover { background: var(--nx-bg-hover); }
.nx-btn-primary { background: var(--nx-accent); border-color: var(--nx-accent); color: var(--nx-accent-contrast); }
.nx-btn-primary:hover { filter: brightness(1.08); }
.nx-btn-danger { background: transparent; border-color: var(--nx-danger); color: var(--nx-danger); }
.nx-btn-danger:hover { background: rgba(248,113,113,0.1); }
.nx-btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.nx-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.nx-back-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.85rem; font-weight: 600; color: var(--nx-text-dim);
    margin-bottom: 16px; text-decoration: none;
}
.nx-back-link:hover { color: var(--nx-accent); text-decoration: none; }

/* ---------- Forms ---------- */

.nx-field { margin-bottom: 14px; }
.nx-field label { display: block; font-size: 0.82rem; color: var(--nx-text-dim); margin-bottom: 5px; font-weight: 500; }
.nx-field input[type=text], .nx-field input[type=password], .nx-field select {
    width: 100%; max-width: 420px;
    background: var(--nx-bg-elevated); border: 1px solid var(--nx-border);
    color: var(--nx-text); border-radius: var(--nx-radius-sm); padding: 9px 12px; font-size: 0.9rem;
}
.nx-field input:focus, .nx-field select:focus { outline: none; border-color: var(--nx-accent); }
.nx-field-check { display: flex; align-items: center; gap: 8px; }

/* Phase 10 branding UX pass: color-picker swatch + its paired hex text input (ColorPickerField.razor). */
.nx-color-swatch {
    width: 42px; height: 38px; padding: 2px; flex-shrink: 0;
    background: var(--nx-bg-elevated); border: 1px solid var(--nx-border);
    border-radius: var(--nx-radius-sm); cursor: pointer;
}
.nx-color-hex { max-width: 140px !important; font-family: monospace; }

/* ---------- States ---------- */

.nx-empty { text-align: center; padding: 40px 20px; color: var(--nx-text-faint); }
.nx-empty-icon { font-size: 1.8rem; margin-bottom: 8px; opacity: 0.6; }

.nx-skeleton {
    background: linear-gradient(90deg, var(--nx-bg-card) 25%, var(--nx-bg-hover) 50%, var(--nx-bg-card) 75%);
    background-size: 200% 100%; animation: nx-shimmer 1.4s infinite;
    border-radius: var(--nx-radius-sm); height: 16px;
}
@keyframes nx-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.nx-error-banner {
    background: rgba(248,113,113,0.1); border: 1px solid rgba(248,113,113,0.3);
    color: var(--nx-danger); padding: 10px 14px; border-radius: var(--nx-radius-sm); font-size: 0.88rem;
    margin-bottom: 16px;
}
.nx-error-banner-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* ---------- Toasts ---------- */

.nx-toast-host { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 2000; }
.nx-toast {
    background: var(--nx-bg-elevated); border: 1px solid var(--nx-border); border-left: 3px solid var(--nx-accent);
    color: var(--nx-text); padding: 12px 16px; border-radius: var(--nx-radius-sm); box-shadow: var(--nx-shadow);
    min-width: 240px; font-size: 0.88rem; animation: nx-toast-in 0.15s ease-out;
}
.nx-toast-success { border-left-color: var(--nx-success); }
.nx-toast-error { border-left-color: var(--nx-danger); }
@keyframes nx-toast-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Confirm dialog ---------- */

.nx-modal-backdrop { position: fixed; inset: 0; background: rgba(3,8,14,0.6); z-index: 1900; display: flex; align-items: center; justify-content: center; }
.nx-modal { background: var(--nx-bg-elevated); border: 1px solid var(--nx-border); border-radius: var(--nx-radius); padding: 22px; width: 380px; box-shadow: var(--nx-shadow); }
.nx-modal-title { font-weight: 700; margin-bottom: 8px; }
.nx-modal-body { color: var(--nx-text-dim); font-size: 0.9rem; margin-bottom: 18px; }
.nx-modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ---------- Branding preview ---------- */

.nx-branding-preview {
    border: 1px solid var(--nx-border-soft); border-radius: var(--nx-radius);
    padding: 20px; background: #0A1420; display: flex; align-items: center; gap: 14px;
    max-width: 420px;
}
.nx-branding-preview-logo {
    width: 44px; height: 44px; border-radius: 10px; object-fit: cover;
    background: var(--nx-bg-hover); display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: var(--nx-text-dim);
}
.nx-branding-preview-name { font-weight: 700; font-size: 1rem; }

/* Blazor error UI (keep functional, restyle) */
#blazor-error-ui {
    display: none; background: var(--nx-danger); color: white; position: fixed; bottom: 0; left: 0; right: 0;
    padding: 12px 16px; z-index: 3000;
}
#blazor-error-ui .dismiss { cursor: pointer; float: right; }

.validation-message { color: var(--nx-danger); font-size: 0.82rem; }