/* Shared UI for every public page. Page styles own layout; this file owns the visual language. */
:root {
    color-scheme: light;
    --kmt-font: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
    --kmt-ink: #263238;
    --kmt-muted: #586574;
    --kmt-primary: #1967d2;
    --kmt-primary-hover: #1557b0;
    --kmt-primary-soft: #eaf2ff;
    --kmt-surface: #fff;
    --kmt-bg: #f5f7fa;
    --kmt-line: #dce2e8;
    --kmt-field-line: #aab6c4;
    --kmt-hover: #f1f4f8;
    --kmt-success: #187447;
    --kmt-danger: #b3261e;
    --kmt-radius: 8px;
    --kmt-radius-lg: 12px;
    --kmt-shadow: 0 2px 12px rgb(38 50 56 / 8%);
    --bs-body-font-family: var(--kmt-font);
    --bs-body-color: var(--kmt-ink);
    --bs-body-bg: var(--kmt-surface);
    --bs-primary: var(--kmt-primary);
    --bs-primary-rgb: 25, 103, 210;
    --bs-success: var(--kmt-success);
    --bs-success-rgb: 24, 116, 71;
    --bs-danger: var(--kmt-danger);
    --bs-danger-rgb: 179, 38, 30;
    --bs-link-color: var(--kmt-primary);
    --bs-link-hover-color: var(--kmt-primary-hover);
    --bs-border-color: var(--kmt-line);
    --bs-border-radius: var(--kmt-radius);
    --bs-border-radius-lg: var(--kmt-radius-lg);
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--kmt-ink); font: 16px/1.5 var(--kmt-font); }
body.kmt-page, body.kmt-print, body.kmt-routes { background: var(--kmt-bg); }
a { color: var(--kmt-primary); text-underline-offset: 3px; }
a:hover { color: var(--kmt-primary-hover); }
button, input, select, textarea { font-family: inherit; }
:focus-visible { outline: 3px solid var(--kmt-primary); outline-offset: 3px; }
h1, h2, h3, h4, h5, h6 { color: var(--kmt-ink); font-weight: 600; line-height: 1.3; }
.eyebrow { margin: 0 0 12px; color: var(--kmt-primary); font-size: 14px; font-weight: 600; }
.muted, .kmt-account-identity { color: var(--kmt-muted); }
.small { font-size: 14px; }
/* Native security forms and Bootstrap forms share measurements and states. */
.kmt-page input:not([type=hidden]):not([type=checkbox]):not([type=radio]):not([type=color]):not([type=range]),
.kmt-page select, .form-control, .form-select {
    min-height: 44px; border: 1px solid var(--kmt-field-line); border-radius: var(--kmt-radius);
    background-color: var(--kmt-surface); color: var(--kmt-ink); font-size: 16px; padding: 9px 12px;
}
.kmt-page input:not([type=checkbox]):not([type=radio]), .kmt-page select { max-width: 100%; }
.form-control:focus, .form-select:focus, .kmt-page input:focus, .kmt-page select:focus {
    border-color: var(--kmt-primary); box-shadow: 0 0 0 3px rgb(25 103 210 / 15%);
}
.form-control::placeholder, .kmt-page input::placeholder { color: var(--kmt-muted); opacity: 1; }
.kmt-action, .kmt-page :is(.auth-card, .admin-main) button:not([class]) {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 44px; padding: 10px 16px; border: 1px solid var(--kmt-primary);
    border-radius: var(--kmt-radius); background: var(--kmt-primary); color: #fff;
    font: 600 14px/1.5 var(--kmt-font); text-decoration: none; cursor: pointer;
}
.kmt-action:hover, .kmt-page :is(.auth-card, .admin-main) button:not([class]):hover { background: var(--kmt-primary-hover); color: #fff; }
.kmt-action-secondary { background: var(--kmt-surface); color: var(--kmt-ink); border-color: var(--kmt-line); }
.kmt-action-secondary:hover { background: var(--kmt-hover); color: var(--kmt-ink); }
.btn { --bs-btn-border-radius: var(--kmt-radius); --bs-btn-font-weight: 600; min-height: 44px; }
.btn-sm { font-size: 14px; }
.btn-primary {
    --bs-btn-bg: var(--kmt-primary); --bs-btn-border-color: var(--kmt-primary);
    --bs-btn-hover-bg: var(--kmt-primary-hover); --bs-btn-hover-border-color: var(--kmt-primary-hover);
    --bs-btn-active-bg: var(--kmt-primary-hover); --bs-btn-active-border-color: var(--kmt-primary-hover);
    --bs-btn-disabled-bg: var(--kmt-primary); --bs-btn-disabled-border-color: var(--kmt-primary);
}
.btn-outline-primary { --bs-btn-color: var(--kmt-primary); --bs-btn-border-color: var(--kmt-primary); --bs-btn-hover-bg: var(--kmt-primary); --bs-btn-hover-border-color: var(--kmt-primary); --bs-btn-active-bg: var(--kmt-primary); }
.btn-secondary { --bs-btn-color: var(--kmt-ink); --bs-btn-bg: var(--kmt-surface); --bs-btn-border-color: var(--kmt-line); --bs-btn-hover-color: var(--kmt-ink); --bs-btn-hover-bg: var(--kmt-hover); --bs-btn-hover-border-color: var(--kmt-field-line); --bs-btn-active-color: var(--kmt-ink); --bs-btn-active-bg: var(--kmt-hover); }
.btn-success { --bs-btn-bg: var(--kmt-success); --bs-btn-border-color: var(--kmt-success); }
.btn-danger { --bs-btn-bg: var(--kmt-danger); --bs-btn-border-color: var(--kmt-danger); }
button:disabled, .kmt-action:disabled { opacity: .6; cursor: not-allowed; }
.btn-close { min-width: 44px; min-height: 44px; box-sizing: border-box; }
/* One surface treatment for login, account, admin and business dialogs. */
.auth-card, .panel, .card, .modal-content {
    background: var(--kmt-surface); border: 1px solid var(--kmt-line);
    border-radius: var(--kmt-radius-lg); box-shadow: var(--kmt-shadow);
}
.card { --bs-card-border-radius: var(--kmt-radius-lg); --bs-card-border-color: var(--kmt-line); }
.card-header, .modal-header { border-bottom-color: var(--kmt-line); }
.card-header { background: var(--kmt-surface); }
.modal-header, .modal-footer { padding: 16px 24px; }
.modal-body { padding: 24px; }
.modal-footer { border-top-color: var(--kmt-line); }
.dropdown-menu { --bs-dropdown-border-color: var(--kmt-line); --bs-dropdown-border-radius: var(--kmt-radius); --bs-dropdown-link-hover-bg: var(--kmt-hover); box-shadow: var(--kmt-shadow); }
.dropdown-item { min-height: 44px; display: flex; align-items: center; }
.table { --bs-table-color: var(--kmt-ink); --bs-table-border-color: var(--kmt-line); --bs-table-striped-bg: var(--kmt-bg); --bs-table-hover-bg: var(--kmt-hover); }
.table th, .kmt-page table th { background-color: var(--kmt-bg); color: var(--kmt-ink); font-weight: 600; }
.table td, .table th { padding: 12px; }
.error, .notice { padding: 12px 16px; border-radius: var(--kmt-radius); border: 1px solid; font-size: 14px; }
.error { color: var(--kmt-danger); background: #fff1f0; border-color: #edbbb6; }
.notice { color: var(--kmt-success); background: #edf8f1; border-color: #a9d3b9; }
/* Keep map geometry and route-specific marker colors untouched. */
.leaflet-container { font-family: var(--kmt-font); }
#searchContainer, #routePanel { box-shadow: var(--kmt-shadow); }
#sidebar { color: var(--kmt-ink); background: var(--kmt-surface); }
#sidebar .sidebar-menu-item { color: var(--kmt-ink); }
#sidebar .sidebar-menu-item:hover, #sidebar .sidebar-menu-item:focus-visible { color: var(--kmt-primary); background: var(--kmt-primary-soft); }
#sidebar .sidebar-menu-item:focus-visible { outline-color: var(--kmt-primary); }
.kmt-sidebar-account { border-color: var(--kmt-line); }
.kmt-sidebar-account .kmt-account-identity { color: var(--kmt-muted); }
.route-card { border-left-color: var(--kmt-primary); }
.customer-item { background: var(--kmt-bg); border-color: var(--kmt-line); border-radius: var(--kmt-radius); }
.customer-item:hover { background: var(--kmt-hover); }
.sequence-number { background: var(--kmt-primary); }
.route-map, .unassigned-customers, #routeCustomersList { border-color: var(--kmt-line); border-radius: var(--kmt-radius); }
.kmt-routes > .container-fluid { max-width: 1600px; padding: 0 24px 32px; }
.kmt-routes > .container-fluid > .row:first-child .d-flex { flex-wrap: wrap; gap: 16px; }
@media(max-width:700px) {
    .modal-header, .modal-body, .modal-footer { padding: 16px; }
    .kmt-routes > .container-fluid { padding: 0 16px 24px; }
    .kmt-routes > .container-fluid > .row:first-child .btn { margin-bottom: 8px; }
}
/* Screen-only framing must not alter the delivery sheet's A4 print layout. */
@media screen {
    .kmt-print .print-container { border: 1px solid var(--kmt-line); border-radius: var(--kmt-radius-lg); box-shadow: var(--kmt-shadow); }
    .kmt-print .no-print { flex-wrap: wrap; }
}
@media screen and (max-width:700px) {
    body.kmt-print { padding: 12px; }
    .kmt-print .print-container { padding: 16px; }
    .kmt-print .header-info { flex-wrap: wrap; gap: 16px; }
    .kmt-print .header-info .text-end { text-align: left !important; }
    .kmt-print .customer-table { font-size: 12px; table-layout: fixed; }
    .kmt-print .customer-table th, .kmt-print .customer-table td { padding: 4px; overflow-wrap: anywhere; }
}
@media print {
    body.kmt-print { background: #fff; }
    .kmt-print .print-container { border: 0; border-radius: 0; box-shadow: none; }
    .kmt-print .customer-table { font-size: 12px; }
    .kmt-print .customer-table th, .kmt-print .customer-table td { padding: 6px; }
    .kmt-print .header-info, .kmt-print tr { break-inside: avoid; }
}
@media(prefers-reduced-motion:reduce) {
    .btn, .kmt-action, .sidebar-menu-item, #sidebar, .route-card, .modal.fade .modal-dialog { transition: none; }
}