:root {
    --cm-bg: #f4f6fb;
    --cm-surface: #ffffff;
    --cm-border: #e5e9f2;
    --cm-text: #1c2230;
    --cm-muted: #6b7385;
    --cm-primary: #4f5fff;
    --cm-primary-dark: #3d4be0;
    --cm-success: #16a34a;
    --cm-danger: #e0324f;
    --cm-warning: #d99a1b;
    --cm-radius: 14px;
    --cm-shadow: 0 2px 10px rgba(20, 24, 40, 0.06);
}

[data-theme="dark"] {
    --cm-bg: #11141d;
    --cm-surface: #191d29;
    --cm-border: #2a2f3d;
    --cm-text: #e8eaf1;
    --cm-muted: #8890a3;
    --cm-primary: #7c87ff;
    --cm-primary-dark: #6670e6;
    --cm-shadow: 0 2px 14px rgba(0, 0, 0, 0.35);
}

body {
    background: var(--cm-bg);
    color: var(--cm-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
}

a { text-decoration: none; }

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

.cm-sidebar {
    width: 250px;
    flex-shrink: 0;
    background: var(--cm-surface);
    border-right: 1px solid var(--cm-border);
    padding: 20px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.cm-sidebar .brand {
    font-weight: 700;
    font-size: 1.15rem;
    padding: 6px 10px 20px;
    color: var(--cm-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cm-sidebar .brand .dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--cm-primary);
    display: inline-block;
}

.cm-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--cm-muted);
    font-weight: 500;
    font-size: 0.92rem;
    margin-bottom: 2px;
}

.cm-nav-link:hover { background: var(--cm-bg); color: var(--cm-text); }
.cm-nav-link.active { background: var(--cm-primary); color: #fff; }

.cm-main { flex: 1; min-width: 0; padding: 22px 26px 60px; }

.cm-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
}

.cm-card {
    background: var(--cm-surface);
    border: 1px solid var(--cm-border);
    border-radius: var(--cm-radius);
    box-shadow: var(--cm-shadow);
    padding: 18px 20px;
}

.cm-stat-card { padding: 16px 18px; }
.cm-stat-card .label { color: var(--cm-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: .04em; }
.cm-stat-card .value { font-size: 1.7rem; font-weight: 700; margin-top: 4px; }
.cm-stat-card .sub { font-size: 0.78rem; color: var(--cm-muted); margin-top: 2px; }

.badge-status-sent, .badge-status-completed { background: #d9f7e6; color: #0e7a3d; }
.badge-status-pending, .badge-status-queued { background: #fef2d0; color: #92680b; }
.badge-status-failed, .badge-status-bounced { background: #fde0e5; color: #a3123a; }
.badge-status-sending { background: #dde2ff; color: #3d4be0; }
.badge-status-draft { background: #eceef4; color: #5a6172; }
.badge-status-canceled { background: #eceef4; color: #5a6172; }
.badge-status-review { background: #fde8d0; color: #9a5a0b; }
[data-theme="dark"] .badge-status-sent, [data-theme="dark"] .badge-status-completed { background: #113322; color: #6fe3a1; }
[data-theme="dark"] .badge-status-pending, [data-theme="dark"] .badge-status-queued { background: #3a2f0d; color: #ffd873; }
[data-theme="dark"] .badge-status-failed, [data-theme="dark"] .badge-status-bounced { background: #3a1220; color: #ff8ba3; }

.cm-editor-toolbar {
    border: 1px solid var(--cm-border);
    border-bottom: none;
    border-radius: 10px 10px 0 0;
    background: var(--cm-bg);
}

#quillEditor { background: var(--cm-surface); min-height: 380px; border-radius: 0 0 10px 10px; }

.cm-preview-frame {
    border: 1px solid var(--cm-border);
    border-radius: 10px;
    background: #fff;
    width: 100%;
    height: 560px;
}
.cm-preview-frame.mobile { max-width: 375px; margin: 0 auto; display: block; }
.cm-preview-frame.tablet { max-width: 768px; margin: 0 auto; display: block; }

.table > :not(caption) > * > * { color: var(--cm-text); border-color: var(--cm-border); }
.form-control, .form-select {
    background: var(--cm-surface); color: var(--cm-text); border-color: var(--cm-border);
}
.form-control:focus, .form-select:focus {
    background: var(--cm-surface); color: var(--cm-text);
    border-color: var(--cm-primary); box-shadow: 0 0 0 .2rem rgba(79,95,255,.15);
}
.btn-primary { background: var(--cm-primary); border-color: var(--cm-primary); }
.btn-primary:hover { background: var(--cm-primary-dark); border-color: var(--cm-primary-dark); }

.cm-drop-zone {
    border: 2px dashed var(--cm-border);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    color: var(--cm-muted);
    cursor: pointer;
}
.cm-drop-zone.dragover { border-color: var(--cm-primary); background: rgba(79,95,255,.06); }

@media (max-width: 900px) {
    .cm-sidebar { position: fixed; z-index: 40; transform: translateX(-100%); transition: transform .2s; }
    .cm-sidebar.open { transform: translateX(0); }
    .cm-main { padding: 16px; }
}