/* Nexus Control — Mailer Section */

/* ── Mailer toggle ─────────────────────────────────────────────────────── */
#nxctl-portal .nc-mailer-toggle { display:flex;align-items:center;justify-content:space-between;padding:var(--nc-space-4) var(--nc-space-5);background:var(--nc-surface);border:1px solid var(--nc-border);border-radius:var(--nc-radius-lg);margin-bottom:var(--nc-space-5); }
#nxctl-portal .nc-mailer-toggle__info { flex:1; }
#nxctl-portal .nc-mailer-toggle__title { font-size:var(--nc-fs-base);font-weight:700;color:var(--nc-text);margin-bottom:2px; }
#nxctl-portal .nc-mailer-toggle__sub { font-size:var(--nc-fs-xs);color:var(--nc-muted); }
#nxctl-portal .nc-template-grid { display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--nc-space-3);margin-bottom:var(--nc-space-5); }
#nxctl-portal .nc-template-card { padding:var(--nc-space-4);cursor:pointer;transition:all var(--nc-dur);text-align:center; }
#nxctl-portal .nc-template-card:hover { transform:translateY(-2px);box-shadow:var(--nc-shadow-md); }
#nxctl-portal .nc-template-card.active { border-color:var(--nc-accent);background:var(--nc-accent-dim); }
#nxctl-portal .nc-template-card__icon { width:40px;height:40px;border-radius:var(--nc-radius);background:var(--nc-accent-dim);color:var(--nc-accent);display:flex;align-items:center;justify-content:center;margin:0 auto var(--nc-space-2); }
#nxctl-portal .nc-template-card__name { font-size:var(--nc-fs-xs);font-weight:700;color:var(--nc-text); }
#nxctl-portal .nc-preview-frame { width:100%;height:400px;border:1px solid var(--nc-border);border-radius:var(--nc-radius-lg);background:#fff; }

/* ── Tab bar ───────────────────────────────────────────────────────────── */
#nxctl-portal .nc-mailer-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--nc-border);
    margin-bottom: var(--nc-space-5);
}
#nxctl-portal .nc-mailer-tab {
    padding: 8px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--nc-muted);
    border-radius: var(--nc-radius) var(--nc-radius) 0 0;
    transition: color .15s, border-color .15s;
}
#nxctl-portal .nc-mailer-tab:hover { color: var(--nc-text); }
#nxctl-portal .nc-mailer-tab--active {
    color: var(--nc-accent);
    border-bottom-color: var(--nc-accent);
}
#nxctl-portal .nc-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--nc-border);
    padding-bottom: 0;
}
#nxctl-portal .nc-tab {
    padding: 8px 18px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--nc-muted);
    border-radius: var(--nc-radius) var(--nc-radius) 0 0;
    transition: color .15s, border-color .15s;
}
#nxctl-portal .nc-tab:hover { color: var(--nc-text); }
#nxctl-portal .nc-tab--active {
    color: var(--nc-accent);
    border-bottom-color: var(--nc-accent);
}

/* ── Theme grid ────────────────────────────────────────────────────────── */
#nxctl-portal .nc-theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--nc-space-4);
    margin-bottom: var(--nc-space-5);
}
#nxctl-portal .nc-theme-card {
    transition: transform .15s, box-shadow .15s;
}
#nxctl-portal .nc-theme-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,.12);
}
#nxctl-portal .nc-theme-card--active {
    box-shadow: 0 0 0 2px var(--nc-accent);
}
#nxctl-portal .nc-template-item {
    border-radius: var(--nc-radius);
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
}

/* ── Custom HTML theme card ─────────────────────────────────────────────── */
#nxctl-portal .nc-custom-theme-card {
    border: 1px solid var(--nc-border);
    border-radius: var(--nc-radius-lg);
    background: var(--nc-surface);
    overflow: hidden;
    margin-bottom: var(--nc-space-4);
}
#nxctl-portal .nc-custom-theme-card__header {
    display: flex;
    align-items: center;
    gap: var(--nc-space-3);
    padding: var(--nc-space-4) var(--nc-space-5);
    cursor: pointer;
    background: var(--nc-grad);
    transition: opacity .15s;
}
#nxctl-portal .nc-custom-theme-card__header:hover { opacity: .92; }
#nxctl-portal .nc-custom-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--nc-radius);
    background: rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
#nxctl-portal .nc-custom-theme-card__meta { flex: 1; }
#nxctl-portal .nc-custom-theme-card__title { font-size: 13px; font-weight: 700; color: #fff; }
#nxctl-portal .nc-custom-theme-card__sub { font-size: 11px; color: rgba(255,255,255,.65); margin-top: 2px; }
#nxctl-portal .nc-custom-theme-card__chevron {
    width: 16px;
    height: 16px;
    transition: transform .25s ease;
    flex-shrink: 0;
}
#nxctl-portal .nc-custom-theme-card--open .nc-custom-theme-card__chevron { transform: rotate(180deg); }
#nxctl-portal .nc-custom-theme-status {
    font-size: 10px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(34,197,94,.25);
    color: #86efac;
    border: 0.5px solid rgba(34,197,94,.4);
}

/* ── Custom theme editor ───────────────────────────────────────────────── */
#nxctl-portal .nc-custom-theme-editor {
    display: none;
    border-top: 1px solid var(--nc-border);
}
#nxctl-portal .nc-custom-theme-card--open .nc-custom-theme-editor {
    display: block;
}

/* Toolbar */
#nxctl-portal .nc-editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    background: var(--nc-surface2);
    border-bottom: 1px solid var(--nc-border);
}
#nxctl-portal .nc-editor-toolbar__label {
    font-size: 10px;
    font-weight: 600;
    color: var(--nc-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-right: 2px;
}
#nxctl-portal .nc-var-chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 999px;
    border: 0.5px solid var(--nc-border);
    background: var(--nc-surface);
    color: var(--nc-accent);
    font-size: 10px;
    font-weight: 600;
    font-family: var(--nc-font-mono, monospace);
    cursor: pointer;
    transition: background .15s, border-color .15s;
}
#nxctl-portal .nc-var-chip:hover { background: var(--nc-accent-dim); border-color: var(--nc-accent); }
#nxctl-portal .nc-starter-select {
    margin-left: auto;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: var(--nc-radius);
    border: 0.5px solid var(--nc-border);
    background: var(--nc-surface);
    color: var(--nc-text);
    cursor: pointer;
    min-width: 160px;
}

/* Split pane */
#nxctl-portal .nc-editor-pane {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
    min-height: 320px;
    border-bottom: 1px solid var(--nc-border);
}
#nxctl-portal .nc-editor-left {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--nc-border);
    height: 100%;
    overflow: hidden;
    min-width: 0;
}
#nxctl-portal .nc-editor-right {
    display: flex;
    flex-direction: column;
    background: var(--nc-surface2);
    height: 100%;
    overflow: hidden;
    min-width: 0;
}

/* Pane header bar */
#nxctl-portal .nc-editor-pane-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--nc-surface2);
    border-bottom: 1px solid var(--nc-border);
    flex-shrink: 0;
}
#nxctl-portal .nc-pane-header-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--nc-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
}
#nxctl-portal .nc-pane-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--nc-accent);
    flex-shrink: 0;
}
#nxctl-portal .nc-pane-dot--green { background: #22c55e; }

/* Code area: line numbers + textarea */
#nxctl-portal .nc-code-area {
    display: flex;
    flex: 1;
    overflow: hidden;
}
#nxctl-portal .nc-line-nums {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
    background: var(--nc-surface2);
    border-right: 1px solid var(--nc-border);
    min-width: 36px;
    align-items: flex-end;
    flex-shrink: 0;
    user-select: none;
}
#nxctl-portal .nc-line-num {
    font-size: 11px;
    font-family: var(--nc-font-mono, monospace);
    color: var(--nc-muted);
    padding: 0 8px;
    line-height: 20px;
    opacity: .5;
}
#nxctl-portal .nc-code-editor {
    flex: 1;
    resize: none;
    border: none;
    outline: none;
    background: var(--nc-surface);
    color: var(--nc-text);
    font-family: var(--nc-font-mono, monospace);
    font-size: 12px;
    line-height: 20px;
    padding: 12px;
    min-height: 260px;
    box-sizing: border-box;
}
#nxctl-portal .nc-editor-iframe {
    flex: 1;
    min-height: 260px;
    border: none;
    display: block;
    background: #fff;
}

/* Validation strip */
#nxctl-portal .nc-editor-validation {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 9px 14px;
    background: var(--nc-surface2);
    border-bottom: 1px solid var(--nc-border);
}
#nxctl-portal .nc-val-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--nc-muted);
}
#nxctl-portal .nc-val-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--nc-border);
    flex-shrink: 0;
    transition: background .2s;
}
#nxctl-portal .nc-val-dot.ok  { background: #22c55e; }
#nxctl-portal .nc-val-dot.err { background: #ef4444; }
#nxctl-portal .nc-val-saved {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 600;
    color: #16a34a;
    padding: 3px 9px;
    border-radius: 999px;
    background: rgba(34,197,94,.1);
    border: 0.5px solid rgba(34,197,94,.3);
}

/* Footer actions */
#nxctl-portal .nc-editor-actions {
    display: flex;
    align-items: center;
    gap: var(--nc-space-2);
    padding: 12px 14px;
    background: var(--nc-surface);
}

/* ── Theme preview modal (fixed overlay, hidden until opened) ──────────── */
#nc-modal-theme-preview {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: var(--nc-space-4);
}
#nc-modal-theme-preview.nc-preview-open { display: flex; }
#nxctl-portal .nc-preview-modal {
    background: var(--nc-surface);
    border: 1px solid var(--nc-border);
    border-radius: var(--nc-radius-xl);
    box-shadow: var(--nc-shadow-xl);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
#nxctl-portal .nc-preview-modal__header {
    display: flex;
    align-items: center;
    gap: var(--nc-space-3);
    padding: var(--nc-space-4) var(--nc-space-5);
    background: linear-gradient(135deg, var(--nc-accent) 0%, rgba(var(--nc-accent-rgb),.6) 100%);
    flex-shrink: 0;
}
#nxctl-portal .nc-preview-modal__title { font-size: var(--nc-fs-md); font-weight: 700; color: #fff; flex: 1; }
#nxctl-portal .nc-preview-modal__toolbar { display: flex; align-items: center; gap: var(--nc-space-2); }
#nxctl-portal .nc-preview-modal__body { flex: 1; overflow: hidden; position: relative; min-height: 300px; }
#nxctl-portal .nc-preview-loader {
    display: flex;
    align-items: center;
    gap: 8px;
    position: absolute;
    inset: 0;
    justify-content: center;
    font-size: 13px;
    color: var(--nc-muted);
    background: var(--nc-surface);
    z-index: 2;
}
#nxctl-portal .nc-preview-iframe { width: 100%; height: 100%; min-height: 400px; border: none; display: block; }
#nxctl-portal .nc-preview-modal__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--nc-space-3) var(--nc-space-5);
    border-top: 1px solid var(--nc-border);
    background: var(--nc-surface2);
    flex-shrink: 0;
}
#nxctl-portal .nc-preview-bg-toggle { display: flex; align-items: center; gap: 6px; font-size: 12px; color: rgba(255,255,255,.8); }
#nxctl-portal .nc-preview-bg-btn { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255,255,255,.4); cursor: pointer; transition: border-color .15s; }
#nxctl-portal .nc-preview-bg-btn--active { border-color: #fff; }
#nxctl-portal .nc-preview-bg-btn--white  { background: #ffffff; }
#nxctl-portal .nc-preview-bg-btn--light  { background: #f5f5f5; }
#nxctl-portal .nc-preview-bg-btn--dark   { background: #1a1a1a; }