:root {
    --module-page: #f7f8fc;
    --module-ink: #15161F;
    --module-muted: #646B7A;
    --module-line: #E7E9F2;
    --module-panel: #FFFFFF;
    --module-blue: #75B8FF;
    --module-purple: #A29BFE;
    --module-yellow: #FDCB6E;
    --module-red: #FE7776;
    --module-shadow: 0 18px 45px rgba(21, 22, 31, 0.08);
    --module-header-gradient: linear-gradient(90deg, #75B8FF 0%, #A29BFE 100%);
    --module-card-header-padding: 1rem 1.25rem;
    --module-card-body-padding: 1.25rem;
}

body.conventa-page,
body.module-page {
    background: var(--module-page);
    color: var(--module-ink);
    font-family: "Segoe UI", Arial, sans-serif;
    margin: 0;
}

.module-shell {
    margin: 0 auto;
    max-width: 1480px;
    padding: 1.5rem 1.5rem 3rem;
}

.module-page-header {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.module-page-title {
    color: var(--module-ink);
    font-size: clamp(1.8rem, 2.5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.1;
    margin: 0;
}

.module-page-subtitle {
    color: var(--module-muted);
    font-size: 1rem;
    margin: 0.35rem 0 0;
}

.module-card {
    background: var(--module-panel);
    border: 1px solid var(--module-line);
    border-radius: 8px;
    box-shadow: var(--module-shadow);
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.module-card-body {
    padding: var(--module-card-body-padding);
}

.module-card-header {
    align-items: center;
    background: var(--module-header-gradient);
    color: var(--module-ink);
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: space-between;
    padding: var(--module-card-header-padding);
}

.conventa-page .card-header.bg-primary,
.conventa-page .card-header.bg-secondary {
    background: var(--module-header-gradient) !important;
    color: var(--module-ink) !important;
}

.module-card-header h2,
.module-card-header h3 {
    color: inherit;
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 0;
}

.module-section-title {
    border-bottom: 1px solid var(--module-line);
    color: var(--module-ink);
    font-size: 1.05rem;
    font-weight: 800;
    margin: 0 0 1rem;
    padding-bottom: 0.75rem;
}

.module-grid {
    display: grid;
    gap: 1rem;
}

.module-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.module-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.module-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.module-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.module-field,
.form-group,
.setting {
    display: grid;
    gap: 0.45rem;
}

.module-field label,
.form-group label,
.setting span,
label.form-label {
    color: var(--module-ink);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0;
    margin: 0;
}

.module-field input,
.module-field select,
.module-field textarea,
.form-group input,
.form-group select,
.form-group textarea,
.setting input,
input.form-control,
select.form-select,
textarea.form-control {
    background: #fff;
    border: 1px solid #DDE2EF;
    border-radius: 8px;
    box-shadow: none;
    color: var(--module-ink);
    font: inherit;
    min-height: 44px;
    padding: 0.65rem 0.8rem;
    width: 100%;
}

.module-field textarea,
.form-group textarea,
textarea.form-control {
    min-height: 130px;
    resize: vertical;
}

.module-field input:focus,
.module-field select:focus,
.module-field textarea:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.setting input:focus,
input.form-control:focus,
select.form-select:focus,
textarea.form-control:focus {
    border-color: var(--module-blue);
    box-shadow: 0 0 0 3px rgba(117, 184, 255, 0.18);
    outline: none;
}

.module-button,
.btn,
.primary-action,
.download-link,
.generate-btn,
.copy-btn {
    align-items: center;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 800;
    gap: 0.45rem;
    justify-content: center;
    min-height: 44px;
    padding: 0.65rem 1rem;
    text-decoration: none;
}

.module-button-primary,
.btn-primary,
.primary-action,
.generate-btn,
.copy-subject-btn {
    background: var(--module-blue);
    color: var(--module-ink);
}

.module-button-secondary,
.btn-secondary,
.download-link {
    background: var(--module-yellow);
    color: var(--module-ink);
}

.module-button-danger,
.btn-danger {
    background: var(--module-red);
    color: var(--module-ink);
}

.module-button:hover,
.btn:hover,
.primary-action:hover,
.download-link:hover,
.generate-btn:hover,
.copy-btn:hover {
    filter: brightness(0.97);
}

.module-alert,
.notice,
.db-error,
.template-info {
    border-radius: 8px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 1rem;
    padding: 0.85rem 1rem;
}

.module-alert-info,
.notice-info,
.template-info {
    background: rgba(117, 184, 255, 0.14);
    border: 1px solid rgba(117, 184, 255, 0.45);
    color: var(--module-ink);
}

.module-alert-success,
.notice-success {
    background: rgba(117, 184, 255, 0.18);
    border: 1px solid rgba(117, 184, 255, 0.55);
}

.module-alert-warning,
.notice-warning {
    background: rgba(253, 203, 110, 0.22);
    border: 1px solid rgba(253, 203, 110, 0.65);
}

.module-alert-error,
.notice-error,
.db-error {
    background: rgba(254, 119, 118, 0.16);
    border: 1px solid rgba(254, 119, 118, 0.48);
    color: #7f1d1d;
}

.module-table-wrap,
.table-wrap {
    border: 1px solid var(--module-line);
    border-radius: 8px;
    overflow: auto;
}

.module-table,
.table-wrap table {
    border-collapse: collapse;
    min-width: 760px;
    width: 100%;
}

.module-table th,
.module-table td,
.table-wrap th,
.table-wrap td {
    border-bottom: 1px solid var(--module-line);
    padding: 0.75rem 0.85rem;
    text-align: left;
    vertical-align: top;
}

.module-table th,
.table-wrap th {
    background: var(--module-ink);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 800;
    white-space: nowrap;
}

.module-table tr:last-child td,
.table-wrap tr:last-child td {
    border-bottom: 0;
}

.module-pill,
.pill {
    background: rgba(162, 155, 254, 0.14);
    border: 1px solid rgba(162, 155, 254, 0.42);
    border-radius: 999px;
    color: var(--module-ink);
    display: inline-flex;
    font-size: 0.85rem;
    font-weight: 800;
    padding: 0.45rem 0.7rem;
}

@media (max-width: 900px) {
    .module-shell {
        padding: 1rem 1rem 2rem;
    }

    .module-grid-2,
    .module-grid-3,
    .module-grid-4 {
        grid-template-columns: 1fr;
    }
}