:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-text: #172033;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-surface: #ffffff;
    --color-background: #f7f9fc;
    --color-success: #15803d;
    --color-warning: #b45309;
    --color-danger: #b91c1c;
    --color-info: #0369a1;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
    --font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

html,
body {
    min-width: 0;
}

body {
    color: var(--color-text);
    background: var(--color-background);
    font-family: var(--font-sans);
    letter-spacing: 0;
}

a { text-decoration: none; }
img { max-width: 100%; height: auto; }

:focus-visible {
    outline: 3px solid rgba(37, 99, 235, .35);
    outline-offset: 2px;
}

.ui-shell { min-height: 100vh; background: var(--color-background); }
.ui-main { padding: 24px; min-width: 0; }

.ui-page-header,
.admin-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
}

.ui-page-header > *,
.admin-page-header > * {
    min-width: 0;
    max-width: 100%;
}

.ui-page-kicker {
    margin-bottom: 6px;
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 700;
}

.ui-page-title {
    margin: 0;
    font-size: 28px;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.ui-page-subtitle {
    margin: 8px 0 0;
    color: var(--color-text-muted);
    overflow-wrap: anywhere;
}

.ui-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
}

.ui-card,
.admin-card,
.backoffice-main .card {
    min-width: 0;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
    background: var(--color-surface);
    box-shadow: var(--shadow-card) !important;
}

.ui-card-body { padding: 18px; }

.ui-stat-card {
    display: block;
    height: 100%;
    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: var(--shadow-card);
    transition: transform .18s ease, box-shadow .18s ease;
}

.ui-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(15, 23, 42, .09);
}

.ui-stat-label {
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 700;
}

.ui-stat-value {
    margin-top: 8px;
    font-size: 30px;
    line-height: 1;
    font-weight: 800;
}

.ui-stat-meta {
    margin-top: 10px;
    color: var(--color-text-muted);
    font-size: 12px;
}

.ui-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.ui-form-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px;
}

.ui-field { display: grid; gap: 7px; }
.ui-field label { color: var(--color-text); font-size: 13px; font-weight: 750; }
.ui-field small { color: var(--color-text-muted); }

.ui-input,
.ui-select,
.ui-textarea,
.form-control,
.form-select {
    min-height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    background: #fff;
}

.ui-input,
.ui-select,
.ui-textarea {
    width: 100%;
    padding: 10px 12px;
}

.ui-textarea { min-height: 110px; resize: vertical; }

.ui-btn,
.btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 750;
    line-height: 1.2;
}

.ui-btn { padding: 10px 16px; border: 1px solid transparent; }
.ui-btn-primary,
.btn-primary {
    color: #fff;
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.ui-btn-primary:hover,
.btn-primary:hover {
    color: #fff;
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.ui-btn-secondary { color: var(--color-text); background: #fff; border-color: var(--color-border); }
.ui-btn-danger { color: #fff; background: var(--color-danger); border-color: var(--color-danger); }

.ui-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 28px;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    border: 1px solid transparent;
    white-space: nowrap;
}

.ui-status-icon {
    display: inline-grid;
    place-items: center;
    width: 16px;
    height: 16px;
    border-radius: 999px;
    border: 1px solid currentColor;
    color: inherit;
    font-size: 10px;
    font-weight: 900;
    line-height: 1;
}

.ui-status-success { color: var(--color-success); background: #ecfdf3; border-color: #bbf7d0; }
.ui-status-warning { color: var(--color-warning); background: #fffbeb; border-color: #fde68a; }
.ui-status-danger { color: var(--color-danger); background: #fef2f2; border-color: #fecaca; }
.ui-status-info { color: var(--color-info); background: #eff6ff; border-color: #bfdbfe; }
.ui-status-muted { color: var(--color-text-muted); background: #f8fafc; border-color: var(--color-border); }

.ui-status-info-panel {
    display: grid;
    gap: 8px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 12px;
    background: #f8fafc;
}

.ui-status-info-panel p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 13px;
    line-height: 1.55;
}

.ui-offer-detail-list,
.ui-offer-message-panel {
    margin-top: 16px;
}

.ui-offer-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
    margin: 0;
}

.ui-offer-meta div {
    min-width: 0;
}

.ui-offer-meta dt {
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 700;
}

.ui-offer-meta dd {
    margin: 4px 0 0;
    color: var(--color-text);
    font-size: 14px;
    font-weight: 700;
}

.ui-empty {
    display: grid;
    justify-items: center;
    gap: 10px;
    padding: 36px 18px;
    text-align: center;
    color: var(--color-text-muted);
}

.ui-empty-icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    color: var(--color-primary);
    background: #eff6ff;
    font-size: 24px;
    font-weight: 800;
}

.ui-empty h3 {
    margin: 0;
    color: var(--color-text);
    font-size: 18px;
}

.ui-table-wrap {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
}

.ui-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.ui-table th,
.ui-table td {
    padding: 13px 14px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.ui-table th {
    color: var(--color-text-muted);
    font-size: 12px;
    text-transform: uppercase;
}

.ui-list { display: grid; gap: 12px; }

.ui-list-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
}

.ui-list-item h3 { margin: 0 0 5px; font-size: 17px; font-weight: 800; }
.ui-list-item p { margin: 0; color: var(--color-text-muted); }

.dashboard-shell .ui-list-item,
.dashboard-shell .ui-list-item > *,
.dashboard-shell .ui-list-item h3,
.dashboard-shell .ui-list-item p,
.dashboard-shell .ui-list-item strong,
.dashboard-shell .ui-card-body,
.dashboard-shell .ui-toolbar > * {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere;
}

.site-header {
    background: rgba(255, 255, 255, .96);
    border-bottom: 1px solid var(--color-border);
}

.auth-wrap {
    width: min(980px, calc(100% - 32px));
    margin: 34px auto;
}

.auth-card {
    max-width: 520px;
    margin: 0 auto;
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-card);
}

.auth-card h1 { margin: 0 0 8px; font-size: 28px; }
.auth-card .form-row { display: grid; gap: 7px; margin-top: 16px; }
.auth-card label { font-weight: 750; }
.auth-card input {
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.auth-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.auth-type-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    border: 0;
    border-radius: 12px;
    padding: 5px;
    background: #f3f4f6;
}

.auth-type-switch legend {
    padding: 0;
}

.auth-type-option {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 42px;
    border-radius: 9px;
    font-weight: 600;
    cursor: pointer;
}

.auth-type-option:has(input:checked) {
    background: #fff;
    box-shadow: 0 3px 10px rgba(15, 23, 42, .08);
}

.auth-type-option input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-success, #0b8f4f);
}

.auth-card:has(input[name="account_type"][value="company"]:checked) [data-account-type-field="user"],
.auth-card:has(input[name="account_type"][value="user"]:checked) [data-account-type-field="company"] {
    display: none;
}

.auth-card:has(input[name="account_type"][value="company"]:checked) [data-account-type-label="user"],
.auth-card:has(input[name="account_type"][value="user"]:checked) [data-account-type-label="company"] {
    display: none;
}

.alert-error { color: var(--color-danger); background: #fef2f2; border: 1px solid #fecaca; }
.alert-success { color: var(--color-success); background: #ecfdf3; border: 1px solid #bbf7d0; }

.auth-inline-link {
    display: inline-block;
    margin-top: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary, #0b8f4f);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.dashboard-shell .sidebar { box-shadow: 0 20px 44px rgba(15, 23, 42, .16); }
.dashboard-shell .menu a { min-height: 44px; border-radius: var(--radius-sm); }
.dashboard-shell .topbar {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.dashboard-shell .card-box,
.dashboard-shell .stats-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

@media (max-width: 991.98px) {
    .ui-main { padding: 16px 12px; }
    .ui-page-header,
    .admin-page-header { display: grid; }
    .ui-page-header .ui-status,
    .admin-page-header .ui-status {
        justify-self: start;
        width: fit-content;
        max-width: 100%;
    }
    .ui-grid,
    .ui-form-grid { grid-template-columns: 1fr; }
    .ui-grid > *,
    .ui-form-grid > * {
        grid-column: auto !important;
    }
    .ui-list-item { grid-template-columns: 1fr; }
    .auth-actions { grid-template-columns: 1fr; }
}

@media (max-width: 1280px) {
    .backoffice-main .ui-table-wrap,
    .dashboard-shell .ui-table-wrap {
        overflow-x: visible;
    }

    .backoffice-main .ui-table,
    .dashboard-shell .ui-table {
        min-width: 0;
        width: 100%;
    }

    .backoffice-main .ui-table,
    .backoffice-main .ui-table thead,
    .backoffice-main .ui-table tbody,
    .backoffice-main .ui-table tr,
    .backoffice-main .ui-table th,
    .dashboard-shell .ui-table,
    .dashboard-shell .ui-table thead,
    .dashboard-shell .ui-table tbody,
    .dashboard-shell .ui-table tr,
    .dashboard-shell .ui-table th,
    .dashboard-shell .ui-table td {
        display: block;
    }

    .backoffice-main .ui-table td {
        display: block;
    }

    .backoffice-main .ui-table thead,
    .dashboard-shell .ui-table thead {
        display: none;
    }

    .backoffice-main .ui-table tr,
    .dashboard-shell .ui-table tr {
        margin-bottom: 12px;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        background: var(--color-surface);
        overflow: hidden;
    }

    .backoffice-main .ui-table td,
    .dashboard-shell .ui-table td {
        min-width: 0;
        padding: 11px 14px;
        overflow-wrap: anywhere;
    }

    .backoffice-main .ui-table td:last-child,
    .dashboard-shell .ui-table td:last-child {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
}

@media (max-width: 575.98px) {
    .ui-page-title { font-size: 24px; }
    .ui-stat-value { font-size: 26px; }
}