/* Beta Hotel — RTL admin UI */
:root {
    --bg: #f3f5f9; --card: #ffffff; --text: #1d2433; --muted: #6b7489; --line: #e3e7ef;
    --primary: #2f6fed; --primary-ink: #fff; --danger: #d64545; --success: #1f9d6b; --warn: #e09a1a;
    --side: #172036; --side-text: #c9d2e6; --side-active: #2f6fed;
    --st-free: #ffffff; --st-free-ink: #e0592a;
    --st-book: #8b3a2b; --st-clean: #13807a; --st-issue: #f5c9a3; --st-issue-ink: #3a2412; --st-res: #3b6fa8;
    --radius: 12px; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 4px 14px rgba(16,24,40,.06);
}
[data-theme="dark"] {
    --bg: #0f1422; --card: #182033; --text: #e6eaf3; --muted: #9aa4bb; --line: #27314a;
    --side: #0b1020; --side-text: #b7c1d9; --st-free: #1f2940; --shadow: 0 1px 2px rgba(0,0,0,.3);
}
* { box-sizing: border-box; }
[dir="ltr"] { --dirx: 1; }
html, body { margin: 0; }
body { font-family: 'Vazirmatn', Tahoma, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
a { color: var(--primary); text-decoration: none; }

/* ── shell & sidebar ─────────────────────────────────────── */
.shell { display: flex; min-height: 100vh; }
.side {
    --sw: 268px;
    width: var(--sw); flex: 0 0 var(--sw); position: sticky; top: 0; height: 100vh; z-index: 40;
    display: flex; flex-direction: column; color: #c3cce0; overflow: hidden;
    background:
        radial-gradient(120% 60% at 100% 0%, rgba(244,183,64,.13), transparent 60%),
        radial-gradient(90% 50% at 0% 100%, rgba(47,111,237,.22), transparent 60%),
        linear-gradient(180deg, #121a30 0%, #0c1224 100%);
    box-shadow: inset -1px 0 0 rgba(255,255,255,.05);
    transition: width .22s ease, flex-basis .22s ease;
}
.side .brand { display: flex; align-items: center; gap: 12px; padding: 20px 18px 16px; }
.side .logo {
    width: 44px; height: 44px; flex: 0 0 44px; border-radius: 13px; display: grid; place-items: center;
    background: linear-gradient(135deg, #f7c95c, #e08a1e); color: #2a1a00; font-size: 20px;
    box-shadow: 0 6px 18px rgba(240,160,40,.35), inset 0 1px 0 rgba(255,255,255,.45);
}
.side .brand-txt { min-width: 0; }
.side .brand-name { color: #fff; font-weight: 800; font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side .brand-sub { font-size: 11.5px; color: #8d98b3; letter-spacing: .3px; }

.side .occ { display: block; color: inherit; margin: 4px 14px 10px; padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.06); }
.side .occ-top { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; color: #9aa6c2; font-weight: 600; }
.side .occ-top b { color: #fff; font-size: 18px; font-weight: 800; }
.side .occ-bar { height: 7px; border-radius: 99px; background: rgba(255,255,255,.08); margin: 8px 0 9px; overflow: hidden; }
.side .occ-bar span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, #f7c95c, #ef6b4a); }
.side .occ-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.side .occ-chips span { font-size: 11px; padding: 2px 8px; border-radius: 99px; background: rgba(255,255,255,.06); display: inline-flex; gap: 5px; align-items: center; white-space: nowrap; }
.side .occ-chips i { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }

.side nav { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 4px 12px 12px; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.12) transparent; }
.side .grp { font-size: 10.5px; font-weight: 800; letter-spacing: .8px; color: #67728f; padding: 14px 10px 6px; white-space: nowrap; }
.side nav a {
    position: relative; display: flex; align-items: center; gap: 12px; padding: 8px 10px; margin-bottom: 3px;
    border-radius: 12px; color: #c3cce0; font-weight: 600; white-space: nowrap; transition: background .15s, color .15s, transform .15s;
}
.side nav a .ni {
    width: 34px; height: 34px; flex: 0 0 34px; border-radius: 10px; display: grid; place-items: center; font-size: 14.5px;
    background: rgba(255,255,255,.05); color: var(--c, #9fb3ff); transition: background .15s, color .15s, box-shadow .15s;
}
.side nav a:hover { background: rgba(255,255,255,.05); color: #fff; transform: translateX(calc(var(--dirx, -1) * 3px)); }
.side nav a:hover .ni { background: rgba(255,255,255,.09); }
.side nav a.active { color: #fff; background: linear-gradient(90deg, rgba(47,111,237,.0), rgba(47,111,237,.32)); }
[dir="ltr"] .side nav a.active { background: linear-gradient(270deg, rgba(47,111,237,.0), rgba(47,111,237,.32)); }
.side nav a.active .ni { background: linear-gradient(135deg, #4f86ff, #2f5fe0); color: #fff; box-shadow: 0 6px 16px rgba(47,111,237,.45); }
.side nav a.active::before { content: ''; position: absolute; inset-inline-start: -12px; top: 9px; bottom: 9px; width: 4px; border-radius: 0 4px 4px 0; background: #5b8dff; box-shadow: 0 0 12px #5b8dff; }
[dir="rtl"] .side nav a.active::before { border-radius: 4px 0 0 4px; }
.side nav a .lbl { overflow: hidden; text-overflow: ellipsis; }

.side .me { margin: 0 12px 12px; padding: 10px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.06); display: flex; align-items: center; gap: 10px; }
.side .avatar { width: 38px; height: 38px; flex: 0 0 38px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, #7c5cff, #2f9bff); position: relative; text-transform: uppercase; }
.side .avatar::after { content: ''; position: absolute; bottom: 0; inset-inline-end: 0; width: 10px; height: 10px; border-radius: 50%; background: #2fd38a; border: 2px solid #10172b; }
.side .me-txt { flex: 1; min-width: 0; line-height: 1.3; }
.side .me-name { color: #fff; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side .me-sub { font-size: 11px; color: #8d98b3; }
.side .me button { width: 34px; height: 34px; border-radius: 10px; border: 0; cursor: pointer; background: rgba(255,90,90,.12); color: #ff8a8a; transition: background .15s; }
.side .me button:hover { background: rgba(255,90,90,.25); }
.side .collapse-btn { position: absolute; top: 26px; inset-inline-end: -1px; width: 22px; height: 30px; border: 0; border-radius: 8px 0 0 8px; background: rgba(255,255,255,.08); color: #9aa6c2; cursor: pointer; display: grid; place-items: center; font-size: 11px; }
[dir="ltr"] .side .collapse-btn { border-radius: 0 8px 8px 0; }
.side .collapse-btn:hover { background: rgba(255,255,255,.16); color: #fff; }

/* collapsed: icons only */
html.side-mini .side { --sw: 82px; }
html.side-mini .side .brand { justify-content: center; padding-inline: 0; }
html.side-mini .side .brand-txt, html.side-mini .side .occ, html.side-mini .side .grp,
html.side-mini .side nav a .lbl, html.side-mini .side .me-txt { display: none; }
html.side-mini .side nav a { justify-content: center; padding: 6px 0; }
html.side-mini .side .grp-line { display: block; }
html.side-mini .side .me { flex-direction: column; margin-inline: 10px; }
html.side-mini .side .collapse-btn i { transform: scaleX(-1); }
.side .grp-line { display: none; height: 1px; background: rgba(255,255,255,.07); margin: 10px 8px; }
.side-backdrop { display: none; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

/* ── language picker ─────────────────────────────────────── */
.lang-wrap { position: relative; }
.lang-wrap .flag-btn { height: 32px; padding: 0 10px; border-radius: 9px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; display: inline-flex; align-items: center; gap: 7px; font: inherit; font-weight: 600; font-size: 13px; }
.lang-wrap .current-flag { font-size: 17px; line-height: 1; display: inline-flex; }
.lang-menu { position: absolute; top: calc(100% + 6px); inset-inline-end: 0; min-width: 210px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 34px rgba(0,0,0,.18); padding: 6px; display: none; z-index: 60; }
.lang-wrap.open .lang-menu { display: block; }
.lang-option { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 9px; color: var(--text); }
.lang-option:hover { background: var(--bg); }
.lang-option .lang-flag { font-size: 20px; width: 26px; text-align: center; }
.lang-option .lang-info { flex: 1; display: flex; flex-direction: column; line-height: 1.25; }
.lang-option .lang-name { font-weight: 700; }
.lang-option .lang-native { font-size: 11.5px; color: var(--muted); }
.lang-option .lang-check { color: var(--primary); visibility: hidden; }
.lang-option.active { background: color-mix(in srgb, var(--primary) 10%, transparent); }
.lang-option.active .lang-check { visibility: visible; }
.lang-toast { position: fixed; top: 18px; left: 50%; transform: translate(-50%, -20px); opacity: 0; background: #172036; color: #fff; padding: 10px 18px; border-radius: 99px; font-weight: 700; z-index: 400; transition: all .25s; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.lang-toast.show { transform: translate(-50%, 0); opacity: 1; }
.topbar { height: 58px; background: var(--card); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 12px; padding: 0 20px; position: sticky; top: 0; z-index: 20; }
.topbar h1 { font-size: 17px; margin: 0; flex: 1; }
.topbar .burger { display: none; }
.content { padding: 20px; }

/* cards & grid */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-h { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-h h3 { margin: 0; font-size: 15px; flex: 1; }
.card-b { padding: 16px; }
.grid { display: grid; gap: 16px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* forms */
label.f { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.inp, select.inp, textarea.inp { height: 40px; border: 1px solid var(--line); border-radius: 9px; padding: 0 12px; font: inherit; color: var(--text); background: var(--card); width: 100%; min-width: 0; }
textarea.inp { height: auto; padding: 10px 12px; }
.inp:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); border-color: var(--primary); }
.inp[readonly] { background: var(--bg); }
.switch { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; font-weight: 600; }
.switch input { width: 18px; height: 18px; accent-color: var(--primary); }

.btn { height: 40px; padding: 0 16px; border-radius: 9px; border: 1px solid var(--line); background: var(--card); color: var(--text); font: inherit; font-weight: 600; cursor: pointer; display: inline-flex; gap: 8px; align-items: center; justify-content: center; white-space: nowrap; }
.btn:hover { filter: brightness(.97); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-p { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn-d { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-s { background: var(--success); border-color: var(--success); color: #fff; }
.btn-w { background: var(--warn); border-color: var(--warn); color: #fff; }
.btn-sm { height: 32px; padding: 0 10px; font-size: 13px; }
.icon-btn { width: 32px; height: 32px; padding: 0; }

/* tables */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: start; white-space: nowrap; }
.tbl th { font-size: 12.5px; color: var(--muted); font-weight: 700; background: var(--bg); position: sticky; top: 0; }
.tbl tbody tr:hover { background: color-mix(in srgb, var(--primary) 5%, transparent); }
.tbl tfoot td { font-weight: 800; background: var(--bg); }
.tbl .num { font-variant-numeric: tabular-nums; }
.tbl td.act { width: 1%; }
.empty { text-align: center; color: var(--muted); padding: 30px !important; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 700; }
.b-ok { background: #def5ea; color: #137a52; } .b-no { background: #fde6e6; color: #a83232; } .b-info { background: #e3ecff; color: #2550b8; }

/* stat tiles */
.stat { padding: 16px; display: flex; gap: 14px; align-items: center; }
.stat .ic { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; font-size: 18px; color: #fff; }
.stat .v { font-size: 22px; font-weight: 800; }
.stat .l { color: var(--muted); font-size: 12.5px; font-weight: 600; }

/* dashboard menu tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 14px; text-align: center; color: var(--text); font-weight: 700; box-shadow: var(--shadow); transition: transform .12s; }
.tile:hover { transform: translateY(-2px); border-color: var(--primary); }
.tile i { display: block; font-size: 28px; margin-bottom: 10px; color: var(--primary); }
.tile.locked { opacity: .45; pointer-events: none; }

/* room board */
.legend { display: flex; gap: 8px; flex-wrap: wrap; }
.legend button { border: 1px solid var(--line); background: var(--card); border-radius: 99px; padding: 6px 12px; font: inherit; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; color: var(--text); }
.legend button.on { border-color: var(--primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 25%, transparent); }
.legend .dot { width: 12px; height: 12px; border-radius: 4px; border: 1px solid rgba(0,0,0,.15); }
.legend .cnt { background: var(--bg); border-radius: 99px; padding: 0 7px; font-size: 12px; }
.floor-title { margin: 18px 0 10px; font-weight: 800; color: var(--muted); font-size: 13px; }
.rooms { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.room { border-radius: 12px; padding: 12px; min-height: 104px; cursor: pointer; border: 1px solid var(--line); background: var(--st-free); color: var(--text); display: flex; flex-direction: column; gap: 4px; position: relative; transition: transform .1s; user-select: none; }
.room:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.room .no { font-size: 24px; font-weight: 800; color: var(--st-free-ink); line-height: 1.1; }
.room .meta { font-size: 12px; opacity: .85; }
.room .guest { font-size: 12.5px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.room .st { position: absolute; top: 10px; inset-inline-end: 10px; font-size: 14px; opacity: .9; }
.room.book { background: var(--st-book); color: #fff; border-color: transparent; } .room.book .no { color: #fff; }
.room.cleaning { background: var(--st-clean); color: #fff; border-color: transparent; } .room.cleaning .no { color: #fff; }
.room.issue { background: var(--st-issue); color: var(--st-issue-ink); border-color: transparent; } .room.issue .no { color: var(--st-issue-ink); }
.room.reserved { background: var(--st-res); color: #fff; border-color: transparent; } .room.reserved .no { color: #fff; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(10,15,30,.5); display: none; align-items: flex-start; justify-content: center; z-index: 100; padding: 40px 16px; overflow-y: auto; }
.modal.open { display: flex; }
.modal .box { background: var(--card); border-radius: 14px; width: 100%; max-width: 560px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal .box.lg { max-width: 780px; }
.modal .mh { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; align-items: center; }
.modal .mh h3 { margin: 0; flex: 1; font-size: 16px; }
.modal .mh .x { background: none; border: 0; font-size: 22px; cursor: pointer; color: var(--muted); }
.modal .mb { padding: 18px; }
.modal .mf { padding: 14px 18px; border-top: 1px solid var(--line); display: flex; gap: 8px; flex-wrap: wrap; }
.alert { padding: 10px 12px; border-radius: 9px; font-weight: 600; margin-bottom: 12px; }
.alert-w { background: #fff4dd; color: #8a5a00; }

/* searchable customer picker */
.picker { position: relative; }
.picker .list { position: absolute; inset-inline: 0; top: 100%; margin-top: 4px; max-height: 240px; overflow-y: auto; background: var(--card); border: 1px solid var(--line); border-radius: 9px; box-shadow: var(--shadow); z-index: 5; display: none; }
.picker .list.open { display: block; }
.picker .list div { padding: 8px 12px; cursor: pointer; display: flex; justify-content: space-between; gap: 10px; }
.picker .list div:hover, .picker .list div.hl { background: color-mix(in srgb, var(--primary) 10%, transparent); }
.picker .list small { color: var(--muted); }

/* login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: linear-gradient(135deg, #172036, #2f6fed); }
.login-card { width: 100%; max-width: 380px; padding: 30px; }
.login-card h2 { margin: 0 0 4px; text-align: center; }
.login-card p { margin: 0 0 22px; text-align: center; color: var(--muted); }

/* toast */
#toasts { position: fixed; bottom: 18px; left: 18px; z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast { min-width: 240px; max-width: 360px; padding: 12px 14px; border-radius: 10px; color: #fff; font-weight: 600; box-shadow: var(--shadow); animation: tin .2s; }
.toast.ok { background: var(--success); } .toast.err { background: var(--danger); } .toast.info { background: var(--primary); }
@keyframes tin { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 1000px) { .g-4, .g-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g-3 { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
    .side, html.side-mini .side { --sw: 280px; position: fixed; inset-inline-start: 0; z-index: 50; transform: translateX(105%); transition: transform .22s ease; }
    [dir="ltr"] .side { transform: translateX(-105%); }
    .side.open, [dir="ltr"] .side.open { transform: none; }
    html.side-mini .side .brand-txt, html.side-mini .side .occ, html.side-mini .side .grp, html.side-mini .side nav a .lbl, html.side-mini .side .me-txt { display: revert; }
    .side .collapse-btn { display: none; }
    html.side-mini .side nav a { justify-content: flex-start; padding: 8px 10px; }
    html.side-mini .side .brand { justify-content: flex-start; padding-inline: 18px; }
    html.side-mini .side .me { flex-direction: row; margin-inline: 12px; }
    html.side-mini .side .grp-line { display: none; }
    .side-backdrop.open { display: block; position: fixed; inset: 0; background: rgba(5,10,25,.5); z-index: 45; }
    .topbar .burger { display: inline-flex; }
    .g-2, .g-4, .g-6 { grid-template-columns: 1fr; }
    .content { padding: 14px; }
    .rooms { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}
@media print {
    .side, .topbar, .no-print, #toasts { display: none !important; }
    .content { padding: 0; } .card { box-shadow: none; border: 0; }
    body { background: #fff; }
}

/* ── date-range bar (partials/range) ─────────────────────── */
.range-bar { display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap; }
.rg-field { display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: 11px; background: var(--card); color: var(--text); cursor: pointer; min-width: 0; }
.rg-field:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent); }
.rg-field small { color: var(--muted); font-size: 11.5px; font-weight: 700; white-space: nowrap; }
.rg-field i { color: var(--primary); }
.rg-field select, .rg-field input { border: 0; background: transparent; color: inherit; font: inherit; font-weight: 600; outline: 0; min-width: 0; height: 100%; }
.rg-field input[type="date"] { width: 132px; }
[data-theme="dark"] .rg-field input[type="date"] { color-scheme: dark; }
.range-bar .go { height: 40px; border-radius: 11px; }
@media (max-width: 640px) {
    .range-bar { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
    .range-bar .rg-opt, .range-bar .go { grid-column: 1 / -1; }
    .rg-field { padding: 0 10px; }
    /* label above the date on a phone, so the full date fits */
    .rg-field:not(.rg-opt) { flex-direction: column; align-items: stretch; justify-content: center; gap: 0; height: 50px; }
    .rg-field:not(.rg-opt) small { font-size: 10.5px; line-height: 1.2; }
    .rg-field input[type="date"] { width: 100%; flex: 0 0 auto; height: 24px; padding: 0; }
    .rg-field select { flex: 1; }
}

/* ── shared "table becomes cards on a phone" helper ──────── */
.tbl td .ml { display: none; }
@media (max-width: 760px) {
    .tbl.to-cards thead, .tbl.to-cards tfoot { display: none; }
    .tbl.to-cards, .tbl.to-cards tbody { display: block; }
    .tbl.to-cards tbody { padding: 10px; display: grid; gap: 10px; }
    .tbl.to-cards tbody tr { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; border: 1px solid var(--line); border-radius: 14px; padding: 12px; background: var(--card); }
    .tbl.to-cards tbody tr:hover { background: var(--card); }
    .tbl.to-cards td { border: 0; padding: 0; white-space: normal; min-width: 0; width: auto; }
    .tbl.to-cards td .ml { display: block; font-size: 11px; color: var(--muted); font-weight: 700; margin-bottom: 2px; }
    .tbl.to-cards td.full { grid-column: 1 / -1; }
    .tbl.to-cards td.act { grid-column: 1 / -1; border-top: 1px dashed var(--line); padding-top: 8px; }
    .tbl.to-cards td.act .row { justify-content: stretch; }
    .tbl.to-cards td.act .btn { flex: 1; width: auto; height: 36px; }
    .tbl.to-cards tr.empty-row { display: block; }
}

/* ── charts (public/js/charts.js) — palette validated: blue/orange slots, both modes ── */
:root { --viz-1: #2a78d6; --viz-2: #eb6834; --viz-grid: #e9ecf2; --viz-base: #c9cfdb; --viz-tick: #8a93a6; --viz-ink: #1d2433; }
[data-theme="dark"] { --viz-1: #3987e5; --viz-2: #d95926; --viz-grid: #232c43; --viz-base: #39445f; --viz-tick: #8a93a6; --viz-ink: #e6eaf3; }
.hc { position: relative; }
.hc-legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.hc-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.hc-legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.hc-plot { position: relative; width: 100%; overflow: hidden; }
.hc-plot svg { display: block; max-width: 100%; }
.hc-grid { stroke: var(--viz-grid); stroke-width: 1; }
.hc-base { stroke: var(--viz-base); stroke-width: 1; }
.hc-tick { fill: var(--viz-tick); font-size: 11px; font-family: inherit; }
.hc-peak { fill: var(--viz-ink); font-size: 11.5px; font-weight: 700; font-family: inherit; }
.hc-col { transition: opacity .12s; }
.hc-hover .hc-g:not(.on) .hc-col { opacity: .45; }
.hc-hit { fill: transparent; cursor: pointer; outline: none; }
.hc-hit:focus-visible { stroke: var(--primary); stroke-width: 1; }
.hc-tip { position: absolute; display: none; pointer-events: none; z-index: 5; min-width: 120px; padding: 8px 10px; border-radius: 10px;
    background: var(--card); border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(0,0,0,.14); font-size: 12px; color: var(--text); }
.hc-tip-h { color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.hc-tip-r { display: flex; align-items: center; gap: 8px; }
.hc-tip-r i { width: 12px; height: 3px; border-radius: 2px; display: inline-block; }
.hc-tip-r b { font-size: 13px; }
.hc-tip-r span { color: var(--muted); }
.hc-empty { text-align: center; color: var(--muted); padding: 50px 0; }

/* ── stat tiles shared by the report pages ── */
.ltr-num { direction: ltr; unicode-bidi: isolate; display: inline-block; }
.kpi b .ltr-num { font-size: inherit; color: inherit; font-weight: inherit; }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
.kpi { --c: #2f6fed; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; display: flex; align-items: center; gap: 12px; position: relative; overflow: hidden; }
.kpi::after { content: ''; position: absolute; inset-inline-end: -18px; bottom: -18px; width: 70px; height: 70px; border-radius: 50%; background: color-mix(in srgb, var(--c) 9%, transparent); }
.kpi .ic { width: 42px; height: 42px; flex: 0 0 42px; border-radius: 12px; display: grid; place-items: center; font-size: 17px; color: #fff; background: linear-gradient(135deg, color-mix(in srgb, var(--c) 78%, #fff), var(--c)); box-shadow: 0 6px 14px color-mix(in srgb, var(--c) 30%, transparent); }
.kpi > div { min-width: 0; }
.kpi b { display: block; font-size: 20px; font-weight: 800; line-height: 1.15; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi span { font-size: 12px; color: var(--muted); font-weight: 600; }
.kpi .neg { color: var(--danger); }
@media (max-width: 1000px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .kpis { gap: 8px; } .kpi { padding: 12px; } .kpi b { font-size: 17px; } .kpi .ic { width: 36px; height: 36px; flex-basis: 36px; } }

/* export buttons (partials/export) */
.exp-btns { display: inline-flex; gap: 6px; }
@media (max-width: 760px) { .exp-btns { flex: 1; } .exp-btns .btn { flex: 1; } }