/* ============================================================
   Modern UI Layer — překryv nad AdminLTE 2 / Bootstrap 3
   Přidáno 2026-10-30 při modernizaci cronadminu.
   ============================================================ */

:root {
    --m-radius: 8px;
    --m-radius-lg: 12px;
    --m-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.08);
    --m-shadow-md: 0 2px 4px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.08);
    --m-shadow-lg: 0 4px 8px rgba(15, 23, 42, 0.08), 0 8px 24px rgba(15, 23, 42, 0.12);
    --m-transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);

    --m-bg: #f3f4f6;
    --m-surface: #ffffff;
    --m-surface-2: #f9fafb;
    --m-border: #e5e7eb;
    --m-text: #111827;
    --m-text-muted: #6b7280;
    --m-primary: #2563eb;
    --m-primary-hover: #1d4ed8;
    --m-success: #10b981;
    --m-warning: #f59e0b;
    --m-danger: #ef4444;
    --m-sidebar-bg: #111827;
    --m-sidebar-text: #e5e7eb;
    --m-sidebar-active: #2563eb;
    --m-header-bg: #1e3a8a;
}

/* === DARK MODE === */
html[data-theme="dark"] {
    --m-bg: #0f172a;
    --m-surface: #1e293b;
    --m-surface-2: #334155;
    --m-border: #334155;
    --m-text: #f1f5f9;
    --m-text-muted: #94a3b8;
    --m-primary: #3b82f6;
    --m-primary-hover: #60a5fa;
    --m-sidebar-bg: #0a0f1c;
    --m-sidebar-text: #cbd5e1;
    --m-sidebar-active: #3b82f6;
    --m-header-bg: #1e293b;
    --m-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.4);
    --m-shadow-md: 0 2px 4px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* ---------- Base ---------- */
body, body.skin-blue, html body {
    background: var(--m-bg) !important;
    color: var(--m-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html[data-theme="dark"] body,
html[data-theme="dark"] .content-wrapper,
html[data-theme="dark"] .main-footer {
    background: var(--m-bg) !important;
    color: var(--m-text);
}

.content-wrapper {
    background: var(--m-bg) !important;
    min-height: calc(100vh - 100px);
}

/* ---------- Header & Logo ---------- */
.skin-blue .main-header .logo,
.skin-blue .main-header .logo:hover {
    background: var(--m-header-bg);
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: background var(--m-transition);
}

.skin-blue .main-header .navbar {
    background: var(--m-header-bg);
    box-shadow: var(--m-shadow-sm);
    transition: background var(--m-transition);
}

.main-header .navbar .nav > li > a {
    transition: background var(--m-transition);
}

.main-header .navbar .nav > li > a:hover,
.main-header .navbar .nav > li > a:focus {
    background: rgba(255, 255, 255, 0.1) !important;
}

/* ---------- Sidebar ---------- */
.skin-blue .main-sidebar,
.skin-blue .wrapper,
.skin-blue .left-side {
    background: var(--m-sidebar-bg) !important;
    transition: background var(--m-transition);
}

.skin-blue .user-panel > .info,
.skin-blue .user-panel > .info > a {
    color: var(--m-sidebar-text) !important;
}

.skin-blue .sidebar-menu > li > a {
    color: var(--m-sidebar-text);
    border-left: 3px solid transparent;
    transition: all var(--m-transition);
}

.skin-blue .sidebar-menu > li.active > a,
.skin-blue .sidebar-menu > li > a:hover,
.skin-blue .sidebar-menu > li.active > a:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    border-left-color: var(--m-sidebar-active);
    color: #fff !important;
}

.skin-blue .sidebar-menu > li.active > a {
    background: rgba(37, 99, 235, 0.15) !important;
}

.skin-blue .sidebar-menu .treeview-menu > li > a {
    color: var(--m-sidebar-text);
    opacity: 0.75;
}

.skin-blue .sidebar-menu .treeview-menu > li > a:hover,
.skin-blue .sidebar-menu .treeview-menu > li.active > a {
    color: #fff;
    opacity: 1;
    background: rgba(255, 255, 255, 0.05);
}

.skin-blue .sidebar-menu > li.header {
    color: #6b7280;
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    background: transparent !important;
    padding: 20px 15px 8px;
}

/* ---------- Cards / Boxes ---------- */
.box {
    border: 1px solid var(--m-border);
    border-radius: var(--m-radius-lg);
    box-shadow: var(--m-shadow-sm);
    background: var(--m-surface);
    overflow: hidden;
    transition: box-shadow var(--m-transition), transform var(--m-transition);
}

.box:hover {
    box-shadow: var(--m-shadow-md);
}

html[data-theme="dark"] .box,
html[data-theme="dark"] .box-body,
html[data-theme="dark"] .modal-content,
html[data-theme="dark"] .modal-body,
html[data-theme="dark"] .modal-header,
html[data-theme="dark"] .modal-footer,
html[data-theme="dark"] .form-control,
html[data-theme="dark"] .input-group-addon,
html[data-theme="dark"] .dropdown-menu,
html[data-theme="dark"] .panel,
html[data-theme="dark"] .well {
    background: var(--m-surface) !important;
    color: var(--m-text);
    border-color: var(--m-border);
}

html[data-theme="dark"] .box-header {
    border-bottom-color: var(--m-border);
    background: var(--m-surface) !important;
}

.box-header {
    border-bottom: 1px solid var(--m-border);
    padding: 16px 20px;
}

.box-header .box-title {
    font-weight: 600;
    color: var(--m-text);
    font-size: 15px;
}

.box.box-info > .box-header,
.box.box-primary > .box-header,
.box.box-success > .box-header,
.box.box-warning > .box-header,
.box.box-danger > .box-header {
    color: var(--m-text);
}

.box.box-info { border-top: 3px solid var(--m-primary); }
.box.box-primary { border-top: 3px solid var(--m-primary); }
.box.box-success { border-top: 3px solid var(--m-success); }
.box.box-warning { border-top: 3px solid var(--m-warning); }
.box.box-danger { border-top: 3px solid var(--m-danger); }

/* ---------- Buttons ---------- */
.btn {
    border-radius: var(--m-radius);
    font-weight: 500;
    padding: 7px 16px;
    border: 1px solid transparent;
    transition: all var(--m-transition);
}

.btn-primary {
    background: var(--m-primary);
    border-color: var(--m-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--m-primary-hover);
    border-color: var(--m-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--m-shadow-md);
}

.btn-success {
    background: var(--m-success);
    border-color: var(--m-success);
}

.btn-danger {
    background: var(--m-danger);
    border-color: var(--m-danger);
}

.btn-warning {
    background: var(--m-warning);
    border-color: var(--m-warning);
}

.btn-default {
    background: var(--m-surface);
    border-color: var(--m-border);
    color: var(--m-text);
}

html[data-theme="dark"] .btn-default {
    background: var(--m-surface-2);
    color: var(--m-text);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
}

/* ---------- Forms ---------- */
.form-control {
    border-radius: var(--m-radius);
    border: 1px solid var(--m-border);
    box-shadow: none;
    transition: border-color var(--m-transition), box-shadow var(--m-transition);
}

.form-control:focus {
    border-color: var(--m-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ---------- Tables ---------- */
.table {
    background: var(--m-surface);
    border-radius: var(--m-radius);
    overflow: hidden;
}

.table > thead > tr > th {
    border-bottom: 2px solid var(--m-border);
    background: var(--m-surface-2);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
    color: var(--m-text-muted);
    padding: 12px 15px;
}

.table > tbody > tr > td {
    border-top: 1px solid var(--m-border);
    padding: 12px 15px;
    vertical-align: middle;
}

.table-hover > tbody > tr:hover {
    background: var(--m-surface-2);
}

html[data-theme="dark"] .table,
html[data-theme="dark"] .table > tbody > tr > td,
html[data-theme="dark"] .table > thead > tr > th,
html[data-theme="dark"] .table-hover > tbody > tr:hover {
    background: var(--m-surface) !important;
    color: var(--m-text);
    border-color: var(--m-border);
}

html[data-theme="dark"] .table-hover > tbody > tr:hover {
    background: var(--m-surface-2) !important;
}

/* ---------- Labels / Badges ---------- */
.label {
    border-radius: var(--m-radius);
    font-weight: 500;
    padding: 3px 9px;
    font-size: 11px;
}

/* ---------- Alerts ---------- */
.alert {
    border-radius: var(--m-radius);
    border: 1px solid transparent;
    padding: 12px 16px;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumb {
    background: transparent;
    padding: 8px 0;
    font-size: 13px;
}

.breadcrumb > li + li:before {
    content: "›";
    color: var(--m-text-muted);
    padding: 0 8px;
}

/* ---------- Content header ---------- */
.content-header {
    padding: 20px 20px 12px;
}

.content-header > h1 {
    font-weight: 600;
    font-size: 24px;
    margin: 0;
    color: var(--m-text);
}

html[data-theme="dark"] .content-header > h1 {
    color: var(--m-text);
}

.content-header > .breadcrumb {
    position: static;
    margin-top: 8px;
    padding: 0;
}

/* ---------- Pagination ---------- */
.pagination > li > a,
.pagination > li > span {
    border-radius: var(--m-radius) !important;
    margin: 0 2px;
    border: 1px solid var(--m-border);
    color: var(--m-text);
}

.pagination > .active > a,
.pagination > .active > a:hover,
.pagination > .active > span {
    background: var(--m-primary);
    border-color: var(--m-primary);
}

/* ---------- Theme toggle button ---------- */
#theme-toggle {
    cursor: pointer;
    background: transparent;
    border: 0;
    color: #fff;
    padding: 15px;
    font-size: 16px;
    transition: background var(--m-transition);
}

#theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ---------- Scrollbar (webkit) ---------- */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--m-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--m-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--m-text-muted);
}

/* ---------- Login box modernized ---------- */
.login-box, .register-box {
    margin-top: 7vh;
}

.login-logo, .register-logo {
    font-size: 32px;
    font-weight: 700;
    color: var(--m-primary);
    text-align: center;
    margin-bottom: 24px;
}

.login-box-body {
    background: var(--m-surface) !important;
    border-radius: var(--m-radius-lg);
    box-shadow: var(--m-shadow-lg);
    padding: 32px;
    border: 1px solid var(--m-border);
}

.login-box-msg {
    color: var(--m-text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

/* ---------- Status dot (schedule status badge) ---------- */
.m-status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

.m-status-dot.ok { background: var(--m-success); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15); }
.m-status-dot.err { background: var(--m-danger); box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15); }
.m-status-dot.warn { background: var(--m-warning); box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15); }
.m-status-dot.off { background: var(--m-text-muted); }

/* ---------- Loading pulse animation ---------- */
@keyframes m-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.m-pulse {
    animation: m-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ---------- Mobile tweaks ---------- */
@media (max-width: 768px) {
    .content-header > h1 { font-size: 20px; }
    .box-header { padding: 12px 15px; }
}

/* ---------- Print cleanup ---------- */
@media print {
    .main-header, .main-sidebar, .main-footer, .no-print { display: none !important; }
    .content-wrapper { margin: 0 !important; }
}

/* ============================================================
   Dashboard KPI tiles
   ============================================================ */
.m-dashboard-kpis { margin-bottom: 4px; }

.m-kpi {
    position: relative;
    overflow: hidden;
    border-top: 3px solid var(--m-primary);
}
.m-kpi:nth-of-type(2n) { border-top-color: var(--m-warning); }
.m-dashboard-kpis > div:nth-child(3) .m-kpi { border-top-color: var(--m-success); }
.m-dashboard-kpis > div:nth-child(4) .m-kpi { border-top-color: var(--m-primary); }
.m-dashboard-kpis > div:nth-child(2) .m-kpi { border-top-color: var(--m-danger); }

.m-kpi .box-body { padding: 20px; }
.m-kpi-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--m-text-muted);
    margin-bottom: 8px;
}
.m-kpi-value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.1;
    color: var(--m-text);
    margin-bottom: 6px;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}
.m-kpi-value small {
    font-size: 16px;
    font-weight: 500;
    color: var(--m-text-muted);
}
.m-kpi-sub {
    font-size: 12px;
    color: var(--m-text-muted);
}
.m-kpi-sub .fa { opacity: 0.75; margin-right: 3px; }

/* Compact table in dashboard widgets */
.m-tight {
    margin-bottom: 0;
    font-size: 13px;
}
.m-tight > thead > tr > th {
    padding: 6px 8px;
    font-size: 10px;
}
.m-tight > tbody > tr > td {
    padding: 6px 8px;
}
.m-tight code {
    font-size: 11px;
    padding: 1px 5px;
    background: var(--m-surface-2);
    color: var(--m-text);
    border-radius: 3px;
}

/* ============================================================
   Dark mode polish — modals, dropdowns, chart.js, datepicker
   ============================================================ */
html[data-theme="dark"] {
    color-scheme: dark;
}

html[data-theme="dark"] .modal-content,
html[data-theme="dark"] .modal-header,
html[data-theme="dark"] .modal-footer {
    background: var(--m-surface) !important;
    border-color: var(--m-border);
    color: var(--m-text);
}
html[data-theme="dark"] .modal-backdrop.in {
    opacity: 0.75;
}
html[data-theme="dark"] .close {
    color: var(--m-text);
    opacity: 0.8;
    text-shadow: none;
}

/* Dropdowns in header */
html[data-theme="dark"] .dropdown-menu {
    background: var(--m-surface) !important;
    border-color: var(--m-border);
    box-shadow: var(--m-shadow-lg);
}
html[data-theme="dark"] .dropdown-menu > li > a {
    color: var(--m-text);
}
html[data-theme="dark"] .dropdown-menu > li > a:hover,
html[data-theme="dark"] .dropdown-menu > li > a:focus {
    background: var(--m-surface-2);
    color: var(--m-text);
}
html[data-theme="dark"] .dropdown-menu .divider {
    background: var(--m-border);
}

/* User menu header & footer */
html[data-theme="dark"] .user-header,
html[data-theme="dark"] .user-footer {
    background: var(--m-surface-2) !important;
    color: var(--m-text);
}
html[data-theme="dark"] .user-footer .btn-default {
    background: var(--m-surface);
    color: var(--m-text);
    border-color: var(--m-border);
}

/* Row highlight (danger/success rows in dark mode) */
html[data-theme="dark"] .table > tbody > tr.danger,
html[data-theme="dark"] .table > tbody > tr.danger > td {
    background: rgba(239, 68, 68, 0.12) !important;
    color: var(--m-text);
}
html[data-theme="dark"] .table > tbody > tr.success,
html[data-theme="dark"] .table > tbody > tr.success > td {
    background: rgba(16, 185, 129, 0.08) !important;
    color: var(--m-text);
}

/* Bootstrap-datepicker */
html[data-theme="dark"] .datepicker,
html[data-theme="dark"] .datepicker-dropdown {
    background: var(--m-surface) !important;
    color: var(--m-text);
    border-color: var(--m-border);
}
html[data-theme="dark"] .datepicker table tr td,
html[data-theme="dark"] .datepicker table tr th {
    color: var(--m-text);
    background: transparent;
}
html[data-theme="dark"] .datepicker table tr td.day:hover,
html[data-theme="dark"] .datepicker table tr td.focused {
    background: var(--m-surface-2) !important;
}
html[data-theme="dark"] .datepicker table tr td.active,
html[data-theme="dark"] .datepicker table tr td.active:hover {
    background: var(--m-primary) !important;
    color: #fff;
}
html[data-theme="dark"] .datepicker table tr td.old,
html[data-theme="dark"] .datepicker table tr td.new {
    color: var(--m-text-muted);
}
html[data-theme="dark"] .datepicker table tr td.today {
    background: var(--m-surface-2);
    color: var(--m-primary);
}

/* Chart.js — inject axis / grid / legend colors via inline tweak.
   Chart.js reads canvas fillStyle at draw time; we can't restyle via CSS alone.
   But we can at least color the surrounding box. The theme.js adds a hook
   that re-styles charts after render. */
html[data-theme="dark"] canvas {
    filter: brightness(1.05);
}

/* Login box dark */
html[data-theme="dark"] .login-box-body,
html[data-theme="dark"] .register-box-body {
    background: var(--m-surface) !important;
    color: var(--m-text);
    border-color: var(--m-border);
}
html[data-theme="dark"] .login-box-msg,
html[data-theme="dark"] .register-box-msg {
    color: var(--m-text-muted);
}

/* Alerts dark */
html[data-theme="dark"] .alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
    color: #86efac;
}
html[data-theme="dark"] .alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}
html[data-theme="dark"] .alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}
html[data-theme="dark"] .alert-info {
    background: rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.3);
    color: #93c5fd;
}

/* Progress bars */
html[data-theme="dark"] .progress {
    background: var(--m-surface-2);
}

/* ============================================================
   Mobile UX — scroll hint + condensed table on tiny screens
   ============================================================ */
.table-responsive {
    position: relative;
}

/* Horizontal scroll hint shadow — shows user there's more to the right */
.table-responsive {
    background:
        linear-gradient(90deg, var(--m-surface) 30%, transparent),
        linear-gradient(90deg, transparent, var(--m-surface) 70%) 100% 0,
        radial-gradient(farthest-side at 0 50%, rgba(15,23,42,0.1), transparent),
        radial-gradient(farthest-side at 100% 50%, rgba(15,23,42,0.1), transparent) 100% 0;
    background-repeat: no-repeat;
    background-color: var(--m-surface);
    background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
    background-attachment: local, local, scroll, scroll;
}

html[data-theme="dark"] .table-responsive {
    background-color: var(--m-surface);
    background-image:
        linear-gradient(90deg, var(--m-surface) 30%, transparent),
        linear-gradient(90deg, transparent, var(--m-surface) 70%) 100% 0,
        radial-gradient(farthest-side at 0 50%, rgba(0,0,0,0.4), transparent),
        radial-gradient(farthest-side at 100% 50%, rgba(0,0,0,0.4), transparent) 100% 0;
    background-repeat: no-repeat;
    background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
    background-attachment: local, local, scroll, scroll;
}

/* On phones hide bulky columns to keep essentials visible without scrolling.
   Essentials: checkbox (1), ID (2), Title (4), Status (9), Actions (12). */
@media (max-width: 640px) {
    .table-responsive table.table > thead > tr > th:nth-child(3),  /* URL */
    .table-responsive table.table > tbody > tr > td:nth-child(3),
    .table-responsive table.table > thead > tr > th:nth-child(5),  /* Statistics */
    .table-responsive table.table > tbody > tr > td:nth-child(5),
    .table-responsive table.table > thead > tr > th:nth-child(6),  /* Category */
    .table-responsive table.table > tbody > tr > td:nth-child(6),
    .table-responsive table.table > thead > tr > th:nth-child(7),  /* Type */
    .table-responsive table.table > tbody > tr > td:nth-child(7),
    .table-responsive table.table > thead > tr > th:nth-child(8),  /* Expression */
    .table-responsive table.table > tbody > tr > td:nth-child(8),
    .table-responsive table.table > thead > tr > th:nth-child(10), /* Send at */
    .table-responsive table.table > tbody > tr > td:nth-child(10),
    .table-responsive table.table > thead > tr > th:nth-child(11), /* Notify */
    .table-responsive table.table > tbody > tr > td:nth-child(11) {
        display: none;
    }
    .table-responsive table.table {
        min-width: auto !important;
    }
}

/* Action buttons stack vertically on narrow */
@media (max-width: 480px) {
    .table-responsive table.table > tbody > tr > td:last-child .btn-group {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
}

/* ============================================================
   PWA / install prompt
   ============================================================ */
.m-install-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1050;
    display: none;
    background: var(--m-primary);
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 12px 20px;
    font-weight: 600;
    box-shadow: var(--m-shadow-lg);
    cursor: pointer;
    transition: transform var(--m-transition);
}
.m-install-cta:hover { transform: translateY(-2px); }
.m-install-cta.m-visible { display: inline-flex; align-items: center; gap: 8px; }