:root {
    /* ===== Brand & semantic colors ===== */
    --ck-primary:#4f46e5; --ck-primary-rgb:79,70,229;
    --ck-primary-hover:#4338ca; --ck-primary-soft:#eef2ff;
    --ck-success:#15803d; --ck-success-soft:#dcfce7;
    --ck-warning:#b45309; --ck-warning-soft:#fef3c7;
    --ck-danger:#dc2626; --ck-danger-soft:#fee2e2;
    --ck-info:#0e7490; --ck-info-soft:#cffafe;
    /* ===== Neutrals (slate) ===== */
    --ck-bg:#f8fafc; --ck-surface:#ffffff;
    --ck-border:#e6e8ee; --ck-border-strong:#d4d8e2;
    --ck-text:#0f172a; --ck-text-muted:#64748b; --ck-text-soft:#94a3b8;
    /* ===== Radii ===== */
    --ck-radius-sm:8px; --ck-radius:12px; --ck-radius-lg:16px; --ck-radius-pill:999px;
    /* ===== Elevation ===== */
    --ck-shadow-sm:0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
    --ck-shadow-md:0 4px 12px -2px rgba(15,23,42,.08), 0 2px 6px -2px rgba(15,23,42,.05);
    --ck-shadow-lg:0 16px 40px -8px rgba(15,23,42,.16), 0 4px 12px -4px rgba(15,23,42,.08);
    --ck-ring:0 0 0 3px rgba(var(--ck-primary-rgb),.18);
    --bs-primary:#4f46e5; --bs-primary-rgb:79,70,229;
    --bs-body-color:#0f172a; --bs-link-color:#4f46e5; --bs-link-hover-color:#4338ca;
    --bs-border-color:#e6e8ee;
}
body {
    background:var(--ck-bg); color:var(--ck-text);
    font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
    -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6 { color:var(--ck-text); letter-spacing:-.011em; }
a { text-decoration:none; }
.text-muted { color:var(--ck-text-muted)!important; }
::selection { background:rgba(var(--ck-primary-rgb),.18); }
/* ===== Navbar ===== */
.navbar { background:var(--ck-surface)!important; border-bottom:1px solid var(--ck-border); box-shadow:var(--ck-shadow-sm); padding-top:.65rem; padding-bottom:.65rem; }
.navbar.navbar-dark .navbar-brand, .navbar.navbar-dark .nav-link { color:var(--ck-text)!important; }
.navbar-brand { font-weight:700; letter-spacing:-.02em; color:var(--ck-text)!important; display:flex; align-items:center; }
.navbar-brand i { color:var(--ck-primary); }
.navbar .navbar-nav .nav-link { color:var(--ck-text-muted)!important; font-weight:500; font-size:.9rem; padding:.5rem .85rem!important; border-radius:var(--ck-radius-sm); margin:0 1px; transition:background .15s, color .15s; }
.navbar .navbar-nav .nav-link:hover { color:var(--ck-text)!important; background:var(--ck-bg); }
.navbar .navbar-nav .nav-link.active, .navbar .navbar-nav .nav-link[aria-current="page"] { color:var(--ck-primary)!important; background:var(--ck-primary-soft); }
.navbar-toggler { border-color:var(--ck-border); }
.navbar-toggler-icon { background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
.navbar .dropdown-toggle .badge { background:var(--ck-primary-soft)!important; color:var(--ck-primary)!important; font-weight:600; }
/* ===== Cards ===== */
.card { border:1px solid var(--ck-border); border-radius:var(--ck-radius); box-shadow:var(--ck-shadow-sm); background:var(--ck-surface); }
.card-header { background:transparent; border-bottom:1px solid var(--ck-border); font-weight:600; }
.card-footer { background:transparent; border-top:1px solid var(--ck-border); }
.stat-card { transition:transform .18s ease, box-shadow .18s ease; border-radius:var(--ck-radius); }
.stat-card:hover { transform:translateY(-3px); box-shadow:var(--ck-shadow-md); }
.stat-number { font-size:2rem; font-weight:700; letter-spacing:-.02em; line-height:1.1; }
/* ===== Buttons ===== */
.btn { border-radius:var(--ck-radius-sm); font-weight:600; letter-spacing:-.005em; transition:all .15s ease; }
.btn:focus-visible { box-shadow:var(--ck-ring); }
.btn-sm { border-radius:7px; }
.btn-primary { background:var(--ck-primary); border-color:var(--ck-primary); color:#fff; box-shadow:var(--ck-shadow-sm); }
.btn-primary:hover,.btn-primary:focus { background:var(--ck-primary-hover); border-color:var(--ck-primary-hover); transform:translateY(-1px); box-shadow:var(--ck-shadow-md); }
.btn-primary:active { transform:translateY(0); }
.btn-outline-primary { color:var(--ck-primary); border-color:var(--ck-border-strong); }
.btn-outline-primary:hover { background:var(--ck-primary); border-color:var(--ck-primary); color:#fff; }
.btn-outline-secondary { color:var(--ck-text-muted); border-color:var(--ck-border-strong); }
.btn-outline-secondary:hover { background:var(--ck-text); border-color:var(--ck-text); color:#fff; }
.btn-success { background:var(--ck-success); border-color:var(--ck-success); }
.btn-danger { background:var(--ck-danger); border-color:var(--ck-danger); }
.btn-light { background:var(--ck-bg); border:1px solid var(--ck-border); color:var(--ck-text); }
.btn:disabled,.btn.disabled { opacity:.55; box-shadow:none; transform:none; }
/* ===== Forms ===== */
.form-label { font-weight:600; font-size:.85rem; color:var(--ck-text); margin-bottom:.35rem; }
.form-control,.form-select { border:1px solid var(--ck-border-strong); border-radius:var(--ck-radius-sm); padding:.55rem .75rem; color:var(--ck-text); transition:border-color .15s, box-shadow .15s; }
.form-control::placeholder { color:var(--ck-text-soft); }
.form-control:focus,.form-select:focus { border-color:var(--ck-primary); box-shadow:var(--ck-ring); }
.form-control-sm,.form-select-sm { border-radius:7px; }
.input-group-text { background:var(--ck-bg); border-color:var(--ck-border-strong); color:var(--ck-text-muted); border-radius:var(--ck-radius-sm); }
.form-check-input:checked { background-color:var(--ck-primary); border-color:var(--ck-primary); }
.form-check-input:focus { border-color:var(--ck-primary); box-shadow:var(--ck-ring); }
.form-text { color:var(--ck-text-soft); }
/* ===== Tables ===== */
.table { color:var(--ck-text); --bs-table-bg:transparent; margin-bottom:0; }
.table thead th { background:var(--ck-bg); color:var(--ck-text-muted); font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.04em; border-bottom:1px solid var(--ck-border); padding:.7rem .85rem; white-space:nowrap; }
.table.table-light thead th, .table thead.table-light th { background:var(--ck-bg); }
.table tbody td { padding:.7rem .85rem; border-bottom:1px solid var(--ck-border); vertical-align:middle; }
.table-hover tbody tr { transition:background .12s; }
.table-hover tbody tr:hover { background:var(--ck-primary-soft); }
.table tbody tr:last-child td { border-bottom:none; }
/* overflow-x only (not the shorthand `overflow:hidden`) — the shorthand
   also hides overflow-y, which makes THIS div the "nearest scrolling
   ancestor" for any position:sticky thead inside it. Since this div's
   height is auto (fits its content, nothing to scroll), sticky headers
   computed relative to it never actually stick as the page scrolls —
   they just silently do nothing. overflow-x:auto alone preserves the
   horizontal-scroll/rounded-corner look without breaking that. */
.card > .table-responsive { border-radius:var(--ck-radius); overflow-x:auto; }
/* ===== Badges ===== */
.badge { font-weight:600; letter-spacing:.01em; border-radius:var(--ck-radius-pill); padding:.35em .7em; }
.badge.bg-light { background:var(--ck-bg)!important; color:var(--ck-text-muted)!important; border:1px solid var(--ck-border); }
.badge.bg-primary { background:var(--ck-primary)!important; }
.badge.bg-success { background:var(--ck-success-soft)!important; color:var(--ck-success)!important; }
.badge.bg-warning { background:var(--ck-warning-soft)!important; color:var(--ck-warning)!important; }
.badge.bg-danger { background:var(--ck-danger-soft)!important; color:var(--ck-danger)!important; }
.badge.bg-info { background:var(--ck-info-soft)!important; color:var(--ck-info)!important; }
.badge.bg-secondary { background:#eef1f6!important; color:var(--ck-text-muted)!important; }
/* ===== Alerts ===== */
.alert { border:1px solid transparent; border-radius:var(--ck-radius); box-shadow:var(--ck-shadow-sm); font-size:.9rem; font-weight:500; padding:.85rem 1rem; }
.alert-success { background:var(--ck-success-soft); border-color:rgba(21,128,61,.2); color:#14532d; }
.alert-danger,.alert-error { background:var(--ck-danger-soft); border-color:rgba(220,38,38,.2); color:#7f1d1d; }
.alert-warning { background:var(--ck-warning-soft); border-color:rgba(180,83,9,.2); color:#78350f; }
.alert-info,.alert-primary { background:var(--ck-primary-soft); border-color:rgba(var(--ck-primary-rgb),.2); color:#3730a3; }
/* ===== Dropdowns ===== */
.dropdown-menu { border:1px solid var(--ck-border); border-radius:var(--ck-radius); box-shadow:var(--ck-shadow-lg); padding:.4rem; }
.dropdown-item { border-radius:var(--ck-radius-sm); padding:.5rem .65rem; font-size:.9rem; font-weight:500; }
.dropdown-item:hover { background:var(--ck-bg); }
.dropdown-item.text-danger:hover { background:var(--ck-danger-soft); }
/* ===== Modals ===== */
.modal-content { border:none; border-radius:var(--ck-radius-lg); box-shadow:var(--ck-shadow-lg); overflow:hidden; }
.modal-header { border-bottom:1px solid var(--ck-border); padding:1.1rem 1.35rem; }
.modal-title { font-weight:700; letter-spacing:-.01em; }
.modal-body { padding:1.35rem; }
.modal-footer { border-top:1px solid var(--ck-border); padding:1rem 1.35rem; }
/* ===== Misc ===== */
.progress { height:8px; border-radius:var(--ck-radius-pill); background:var(--ck-bg); }
.progress-bar { background:var(--ck-primary); }
.breadcrumb { font-size:.85rem; }
.breadcrumb-item a { color:var(--ck-text-muted); }
.breadcrumb-item.active { color:var(--ck-text); font-weight:600; }
.list-group-item { border-color:var(--ck-border); }
.list-group-item-action:hover { background:var(--ck-bg); }
code { background:var(--ck-primary-soft); color:var(--ck-primary-hover); padding:.12em .4em; border-radius:6px; font-size:.85em; }
hr { border-color:var(--ck-border); opacity:1; }
.task-card { border-left:4px solid var(--ck-primary); border-radius:var(--ck-radius); transition:all .18s; }
.task-card:hover { box-shadow:var(--ck-shadow-md); transform:translateY(-1px); }
.task-card.completed { border-left-color:var(--ck-success); }
.subtask-item { padding:12px 16px; border-bottom:1px solid var(--ck-border); }
.subtask-item:last-child { border-bottom:none; }
.subtask-done { background:var(--ck-success-soft); }
.photo-preview { max-width:200px; border-radius:var(--ck-radius-sm); margin-top:8px; box-shadow:var(--ck-shadow-sm); }
.frequency-badge { font-size:.7rem; text-transform:uppercase; letter-spacing:1px; }
/* Calendar grids */
.cal-grid { display:grid; gap:4px; }
.cal-grid.daily { grid-template-columns:repeat(7,1fr); }
.cal-grid.weekly { grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); }
.cal-grid.monthly { grid-template-columns:repeat(7,1fr); }
.cal-header { font-size:.7rem; font-weight:700; color:#6b7280; text-align:center; padding:4px 0; }
.cal-cell { border-radius:6px; padding:6px 4px; text-align:center; border:1.5px solid #e2e8f0; transition:all .2s; cursor:pointer; text-decoration:none; color:inherit; display:block; min-height:48px; }
.cal-cell:hover { border-color:var(--ck-primary); box-shadow:0 1px 4px rgba(0,0,0,.06); }
.cal-cell.today, .cal-cell.current { border-color:var(--ck-primary); background:#eff6ff; }
.cal-cell.future { opacity:.4; }
.cal-cell.blank { border:none; background:none; cursor:default; min-height:auto; }
.cal-cell .cal-day { font-weight:700; font-size:.75rem; color:#374151; }
.cal-cell .cal-date { font-size:.65rem; color:#6b7280; }
.cal-cell .cal-status { font-size:1rem; font-weight:700; margin:2px 0 0; }
.cal-cell .cal-status.done { color:var(--ck-success); }
.cal-cell .cal-status.partial { color:var(--ck-warning); }
.cal-cell .cal-status.none { color:#d1d5db; }
.cal-cell .cal-detail { font-size:.6rem; color:#6b7280; }
.answer-badge { font-size:.6rem; padding:2px 6px; border-radius:10px; }
.photo-badge { font-size:.6rem; padding:2px 6px; border-radius:10px; }
/* Team view */
.filter-bar { background:#fff; border-radius:12px; padding:16px; margin-bottom:16px; box-shadow:0 1px 3px rgba(0,0,0,.06); }
.view-toggle .btn { font-size:.8rem; padding:4px 12px; }
.org-card { transition:all .2s; cursor:pointer; }
.org-card:hover { box-shadow:0 4px 12px rgba(0,0,0,.1); transform:translateY(-1px); }
.freq-pill { font-size:.75rem; }
@media(max-width:768px) {
    .stat-number { font-size:1.5rem; }
    .cal-grid.daily, .cal-grid.monthly { grid-template-columns:repeat(7,1fr); }
    .cal-cell { padding:4px 2px; min-height:40px; }
    .cal-cell .cal-day { font-size:.65rem; }
    .cal-cell .cal-status { font-size:.85rem; }
}
/* Global loading overlay */
.ck-loading-overlay {
    position:fixed; top:0; left:0; width:100%; height:100%;
    background:rgba(248,250,252,.78); z-index:9999;
    display:none; justify-content:center; align-items:center;
    flex-direction:column; gap:16px;
    backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
}
.ck-loading-overlay.active { display:flex; animation:ck-fade .2s ease; }
@keyframes ck-fade { from{opacity:0} to{opacity:1} }
.ck-spinner {
    width:46px; height:46px;
    border:4px solid var(--ck-border);
    border-top:4px solid var(--ck-primary);
    border-radius:50%;
    animation:ck-spin .8s linear infinite;
}
@keyframes ck-spin { to { transform:rotate(360deg); } }
.ck-loading-text {
    font-size:.85rem; color:#6b7280; font-weight:500;
    animation:ck-pulse 1.5s ease-in-out infinite;
}
@keyframes ck-pulse { 0%,100%{opacity:.5} 50%{opacity:1} }
/* Progress bar for downloads */
.ck-loading-bar { width:200px; height:4px; background:#e2e8f0; border-radius:2px; overflow:hidden; display:none; }
.ck-loading-bar.active { display:block; }
.ck-loading-bar-fill { width:0; height:100%; background:var(--ck-primary); border-radius:2px; animation:ck-progress 3s ease-out forwards; }
@keyframes ck-progress { 0%{width:0} 60%{width:70%} 80%{width:85%} 100%{width:95%} }

/* ===== Left sidebar navigation ===== */
.ck-topbar { display:flex; align-items:center; gap:.25rem; padding:.45rem .65rem; background:var(--ck-surface); border-bottom:1px solid var(--ck-border); box-shadow:var(--ck-shadow-sm); position:sticky; top:0; z-index:1025; }
.ck-topbar .navbar-brand { font-weight:700; letter-spacing:-.02em; color:var(--ck-text)!important; display:flex; align-items:center; font-size:1rem; }
.ck-burger { border:1px solid var(--ck-border); color:var(--ck-text); font-size:1.2rem; line-height:1; padding:.2rem .55rem; border-radius:var(--ck-radius-sm); background:var(--ck-surface); }
.ck-burger:hover { background:var(--ck-bg); }
.ck-sidebar { --bs-offcanvas-width:280px; background:var(--ck-surface); }
.ck-sidebar-body { display:flex; flex-direction:column; gap:.05rem; padding:1rem .8rem 1.1rem; min-height:0; }
.ck-side-brand { font-weight:700; letter-spacing:-.02em; color:var(--ck-text)!important; align-items:center; margin-bottom:1rem; font-size:1.12rem; padding:0 .2rem; }
.ck-side-brand img { margin-right:.55rem; }
.ck-sidebar-body [role="group"][aria-label="Mode"] { display:flex; width:100%; margin:.15rem 0 1rem!important; }
.ck-sidebar-body [role="group"][aria-label="Mode"] > .btn { flex:1; }
.ck-nav .nav-link { display:flex; align-items:center; gap:.6rem; color:var(--ck-text-muted); font-weight:500; font-size:.9rem; padding:.5rem .7rem; border-radius:var(--ck-radius-sm); margin-bottom:1px; }
.ck-nav .nav-link:hover { background:var(--ck-bg); color:var(--ck-text); }
.ck-nav .nav-link.active, .ck-nav .nav-link[aria-current="page"] { background:var(--ck-primary-soft); color:var(--ck-primary)!important; }
.ck-nav .nav-link i { font-size:1.05rem; width:1.3rem; text-align:center; flex:none; }
.ck-nav .nav-link .badge { margin-left:auto; }
.ck-ws-chip .badge { display:block; white-space:normal; text-align:left; line-height:1.3; }
.ck-user .dropdown-toggle { display:flex; align-items:center; gap:.55rem; width:100%; padding:.45rem .5rem; border-radius:var(--ck-radius-sm); color:var(--ck-text); text-decoration:none; }
.ck-user .dropdown-toggle::after { display:none; }
.ck-user .dropdown-toggle:hover { background:var(--ck-bg); }
.ck-user .dropdown-toggle > i { color:var(--ck-primary); font-size:1.4rem; flex:none; }
.ck-user-meta { display:flex; flex-direction:column; align-items:flex-start; line-height:1.2; min-width:0; }
.ck-user-name { font-weight:600; font-size:.88rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:170px; }
.ck-user-meta .badge { font-weight:600; margin-top:2px; }
.ck-main { padding-top:1.25rem; }
@media (min-width:992px) {
    /* Force the offcanvas-lg into a fixed, self-scrolling rail. At >=lg Bootstrap
       resets .offcanvas-lg to a static block with a non-growing, non-scrolling
       body, so admins with a long nav couldn't reach the bottom items -- override
       that: flex column aside + a flex-grown, scrollable body. */
    .ck-sidebar { position:fixed!important; top:0; left:0; bottom:0; width:250px; z-index:1030; background:var(--ck-surface); border-right:1px solid var(--ck-border); box-shadow:var(--ck-shadow-sm); visibility:visible!important; transform:none!important; display:flex!important; flex-direction:column!important; }
    .ck-sidebar .offcanvas-body { flex:1 1 auto!important; min-height:0; overflow-y:auto!important; }
    .ck-main { margin-left:250px; }
}

/* ===== Collapsible nav group (Reports) ===== */
.ck-nav .ck-sub-toggle .ck-caret { margin-left:auto; font-size:.72rem; transition:transform .2s ease; }
.ck-nav .ck-sub-toggle.collapsed .ck-caret { transform:rotate(-90deg); }
.ck-nav .ck-sub-toggle.active { background:var(--ck-primary-soft); color:var(--ck-primary)!important; }
.ck-nav .ck-subnav { list-style:none; margin:1px 0 3px; padding:0; }
.ck-nav .ck-subnav .nav-link { font-size:.84rem; padding:.36rem .6rem .36rem 2.3rem; color:var(--ck-text-muted); border-radius:var(--ck-radius-sm); margin-bottom:1px; white-space:normal; line-height:1.25; }
.ck-nav .ck-subnav .nav-link:hover { background:var(--ck-bg); color:var(--ck-text); }
.ck-nav .ck-subnav .nav-link.active { background:var(--ck-primary-soft); color:var(--ck-primary)!important; font-weight:600; }