:root {
    --tenant-primary: #0f766e;
    --tenant-secondary: #0f172a;
    --tenant-accent: #14b8a6;
    --tenant-sidebar-bg: #0f172a;
    --tenant-page-bg: #f3f6fb;
    --tenant-card-bg: #ffffff;
    --tenant-text: #0f172a;
    --tenant-muted: #64748b;
    --tenant-login-bg: #f3f6fb;
    --tenant-border: #e5e7eb;
    --tenant-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

html,
body.tenant-theme-page {
    margin: 0;
    min-height: 100%;
    background: var(--tenant-page-bg);
    color: var(--tenant-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.tenant-theme-page a { color: inherit; }

.tenant-theme-main {
    width: min(1500px, 100%);
    margin: 0 auto;
    padding: 28px;
}

.tenant-theme-topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
}

.tenant-theme-topbar h1 {
    margin: 0;
    color: var(--tenant-text);
    font-size: 32px;
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.tenant-theme-eyebrow {
    margin: 0 0 8px;
    color: var(--tenant-accent);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.tenant-theme-muted {
    max-width: 760px;
    margin: 8px 0 0;
    color: var(--tenant-muted);
    font-size: 15px;
    line-height: 1.5;
}

.tenant-theme-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

.tenant-theme-button,
.tenant-theme-mini-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--tenant-border);
    background: #fff;
    color: var(--tenant-text);
    text-decoration: none;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.tenant-theme-button {
    min-height: 42px;
    padding: 0 16px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

.tenant-theme-button-primary {
    border-color: var(--tenant-primary);
    background: var(--tenant-primary);
    color: #fff;
}

.tenant-theme-mini-button {
    min-height: 34px;
    padding: 0 11px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 900;
}

.tenant-theme-mini-button-danger {
    border-color: #fecaca;
    background: #fff1f2;
    color: #991b1b;
}

.tenant-theme-alert {
    margin: 0 0 16px;
    padding: 14px 16px;
    border: 1px solid #bbf7d0;
    border-radius: 16px;
    background: #f0fdf4;
    color: #166534;
    font-weight: 800;
}

.tenant-theme-alert-danger {
    border-color: #fecaca;
    background: #fff1f2;
    color: #991b1b;
}

.tenant-theme-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(340px, .75fr);
    gap: 18px;
    align-items: start;
}

.tenant-theme-panel {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--tenant-border);
    border-radius: 22px;
    background: var(--tenant-card-bg);
    box-shadow: var(--tenant-shadow);
}

.tenant-theme-panel-title {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.tenant-theme-panel-title h2 {
    margin: 0;
    color: var(--tenant-text);
    font-size: 18px;
    line-height: 1.2;
}

.tenant-theme-panel-title p {
    margin: 4px 0 0;
    color: var(--tenant-muted);
    font-size: 13px;
}

.tenant-theme-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 16px;
}

.tenant-theme-form label span,
.tenant-theme-checkbox span {
    display: block;
    margin-bottom: 6px;
    color: var(--tenant-muted);
    font-size: 13px;
    font-weight: 700;
}

.tenant-theme-input {
    width: 100%;
    min-height: 42px;
    padding: 0 12px;
    border: 1px solid var(--tenant-border);
    border-radius: 12px;
    background: #fff;
    color: var(--tenant-text);
    font: inherit;
    font-size: 14px;
    outline: none;
}

.tenant-theme-input[type="file"] {
    padding: 8px 12px;
}

.tenant-theme-input:focus {
    border-color: rgba(15, 118, 110, 0.65);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.tenant-theme-color-field > div {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 8px;
    align-items: center;
}

.tenant-theme-color-field input[type="color"] {
    width: 48px;
    height: 42px;
    border: 1px solid #dbe3ef;
    border-radius: 12px;
    padding: 3px;
    background: #fff;
}

.tenant-theme-checkbox {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 8px 0 18px;
}

.tenant-theme-checkbox input {
    width: 18px;
    height: 18px;
}

.tenant-theme-form-actions {
    justify-content: flex-start;
    margin-bottom: 14px;
}

.tenant-theme-preview {
    border: 1px solid #dbe3ef;
    border-radius: 24px;
    overflow: hidden;
    background: var(--tenant-page-bg);
    display: grid;
    grid-template-columns: 150px 1fr;
    min-height: 320px;
}

.tenant-theme-preview-sidebar {
    background: var(--tenant-sidebar-bg);
    color: #fff;
    padding: 18px;
}

.tenant-theme-preview-brand {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 24px;
}

.tenant-theme-preview-brand span,
.tenant-theme-preview-brand img {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    object-fit: cover;
    background: var(--tenant-primary);
    color: #fff;
    font-weight: 900;
}

.tenant-theme-preview-sidebar a {
    display: block;
    padding: 10px 12px;
    border-radius: 12px;
    color: rgba(255,255,255,.72);
    font-weight: 700;
    margin-bottom: 6px;
}

.tenant-theme-preview-sidebar a.is-active {
    background: rgba(255,255,255,.12);
    color: #fff;
}

.tenant-theme-preview-content {
    padding: 28px;
    color: var(--tenant-text);
}

.tenant-theme-preview-content h3 {
    margin: 6px 0 8px;
    font-size: 28px;
}

.tenant-theme-preview-content p { color: var(--tenant-muted); }

.tenant-theme-preview-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 22px 0;
}

.tenant-theme-preview-cards span {
    background: var(--tenant-card-bg);
    border: 1px solid #dbe3ef;
    border-radius: 16px;
    padding: 14px;
    font-weight: 800;
}

.tenant-theme-preview button {
    border: 0;
    border-radius: 14px;
    padding: 12px 16px;
    background: var(--tenant-primary);
    color: #fff;
    font-weight: 800;
}

@media (max-width: 1100px) {
    .tenant-theme-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .tenant-theme-main { padding: 16px; }
    .tenant-theme-topbar { display: block; }
    .tenant-theme-actions { justify-content: flex-start; margin-top: 14px; }
    .tenant-theme-topbar h1 { font-size: 26px; }
    .tenant-theme-form-grid,
    .tenant-theme-preview { grid-template-columns: 1fr; }
}