:root {
  --bg:#f6f3ef; --surface:#ffffff; --surface-2:#f1ece6; --text:#211b17; --muted:#7c7168;
  --line:#e2d9d0; --primary:#7a4b2a; --primary-2:#5d351d; --success:#25805e; --warning:#c47a16;
  --danger:#c44949; --shadow:0 12px 32px rgba(64,40,24,.08); --radius:18px;
}
[data-theme="dark"] {
  --bg:#171310; --surface:#211b17; --surface-2:#2b231e; --text:#f5eee8; --muted:#b6a89d;
  --line:#3a3029; --primary:#d18b57; --primary-2:#e5a574; --success:#55b58d; --warning:#e5a44f;
  --danger:#ef7777; --shadow:0 12px 32px rgba(0,0,0,.28);
}
*{box-sizing:border-box} html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit} button{cursor:pointer}.hidden{display:none!important}
.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:var(--surface);border-right:1px solid var(--line);padding:20px 14px;display:flex;flex-direction:column;z-index:20}
.brand{display:flex;align-items:center;gap:12px;padding:4px 10px 22px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,var(--primary),var(--primary-2));display:grid;place-items:center;color:white;font-size:22px;box-shadow:var(--shadow)}.brand strong,.brand span{display:block}.brand span{font-size:12px;color:var(--muted)}
.nav{display:flex;flex-direction:column;gap:4px}.nav button,.mobile-nav button{border:0;background:transparent;color:var(--muted)}.nav button{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;text-align:left}.nav button:hover,.nav button.active{background:var(--surface-2);color:var(--text)}.nav .icon{width:22px;text-align:center}
.sidebar-bottom{margin-top:auto;display:flex;gap:8px;padding:10px}.main{min-width:0}.topbar{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);display:flex;justify-content:space-between;align-items:center;padding:26px 30px 18px;border-bottom:1px solid color-mix(in srgb,var(--line) 72%,transparent)}.topbar h1{margin:2px 0 0;font-size:28px}.eyebrow{margin:0;color:var(--muted);font-size:13px}.content{padding:24px 30px 90px;max-width:1500px}
.grid{display:grid;gap:16px}.stats-grid{grid-template-columns:repeat(6,minmax(140px,1fr))}.two-col{grid-template-columns:1.4fr 1fr}.three-col{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card h2,.card h3{margin:0 0 14px}.stat-card{min-height:132px;display:flex;flex-direction:column;justify-content:space-between}.stat-label{font-size:13px;color:var(--muted)}.stat-value{font-size:25px;font-weight:750}.stat-note{font-size:12px;color:var(--muted)}
.btn{border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:var(--surface);color:var(--text);font-weight:650}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-2)}.btn.ghost{background:transparent}.btn.danger{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,var(--line))}.btn.small{padding:7px 10px;font-size:13px}.btn.wide{width:100%}.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--text);width:40px;height:40px;border-radius:12px;display:grid;place-items:center}
.toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap}.toolbar-group{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.search{min-width:260px}
input,select,textarea{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:11px;padding:10px 12px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 15%,transparent)}textarea{min-height:90px;resize:vertical}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.form-grid .full{grid-column:1/-1}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:780px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}th{font-size:12px;color:var(--muted);background:var(--surface-2);position:sticky;top:0}tr:last-child td{border-bottom:0}.row-actions{display:flex;gap:6px}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 9px;font-size:12px;background:var(--surface-2);color:var(--muted)}.badge.success{background:color-mix(in srgb,var(--success) 14%,transparent);color:var(--success)}.badge.warning{background:color-mix(in srgb,var(--warning) 14%,transparent);color:var(--warning)}.badge.danger{background:color-mix(in srgb,var(--danger) 14%,transparent);color:var(--danger)}
.list{display:flex;flex-direction:column;gap:10px}.list-item{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:13px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.list-item p{margin:3px 0;color:var(--muted);font-size:13px}.amount{font-weight:750;white-space:nowrap}.empty{padding:34px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:14px}
.progress{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}.progress span{display:block;height:100%;background:var(--primary);border-radius:999px}.steps{display:grid;gap:10px}.step{display:grid;grid-template-columns:32px 1fr auto;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:13px}.step-num{width:32px;height:32px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font-weight:700}.step.done .step-num{background:var(--success);color:white}.official-links{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.official-links a{text-decoration:none;color:var(--text);padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-align:center;font-weight:650}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:7px}.calendar-head{text-align:center;color:var(--muted);font-size:12px}.day{min-height:84px;border:1px solid var(--line);border-radius:11px;padding:8px;background:var(--surface)}.day.muted{opacity:.35}.day strong{font-size:12px}.event-dot{margin-top:5px;padding:4px 6px;border-radius:7px;font-size:10px;background:color-mix(in srgb,var(--primary) 14%,transparent);color:var(--primary)}
.modal{border:0;padding:0;background:transparent;max-width:min(680px,94vw);width:100%}.modal::backdrop{background:rgba(0,0,0,.48);backdrop-filter:blur(4px)}.modal-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.modal-head,.modal-actions{padding:16px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.modal-head h2{margin:0}.modal-actions{border-top:1px solid var(--line);border-bottom:0;justify-content:flex-end;gap:10px}.modal-body{padding:18px;max-height:70vh;overflow:auto}
.lock-screen{position:fixed;inset:0;z-index:100;background:linear-gradient(160deg,var(--bg),var(--surface-2));display:grid;place-items:center;padding:20px}.lock-card{width:min(360px,100%);background:var(--surface);padding:28px;border-radius:24px;box-shadow:var(--shadow);text-align:center}.lock-card .brand-mark{margin:0 auto}.lock-card h1{font-size:24px}.error-text{color:var(--danger);min-height:20px;font-size:13px}.mobile-nav{display:none}
.notice{border-left:4px solid var(--warning);background:color-mix(in srgb,var(--warning) 10%,var(--surface));padding:13px 14px;border-radius:10px;color:var(--text);font-size:13px}.kpi-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line)}.kpi-row:last-child{border-bottom:0}.muted{color:var(--muted)}.danger-text{color:var(--danger)}.success-text{color:var(--success)}
@media (max-width:1200px){.stats-grid{grid-template-columns:repeat(3,1fr)}.official-links{grid-template-columns:repeat(3,1fr)}}
@media (max-width:820px){.app-shell{display:block}.sidebar{display:none}.topbar{padding:18px 16px 14px}.topbar h1{font-size:23px}.content{padding:16px 14px 100px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);padding:7px 6px calc(7px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(18px);border-top:1px solid var(--line)}.mobile-nav button{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;padding:5px 2px}.mobile-nav button.active{color:var(--primary)}.mobile-nav .icon{font-size:18px}.two-col,.three-col{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.official-links{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.search{min-width:0;flex:1}.topbar-actions .btn{padding:9px 11px}.calendar-grid{gap:4px}.day{min-height:65px;padding:5px}.event-dot{font-size:8px;padding:3px}.card{padding:14px}}
@media (max-width:420px){.stats-grid{grid-template-columns:1fr 1fr}.stat-card{min-height:115px}.stat-value{font-size:21px}.official-links{grid-template-columns:1fr}.topbar .eyebrow{max-width:180px}.btn{font-size:13px}}

/* Projects and algorithm checkpoints */
.project-switcher{display:flex;gap:8px;align-items:center}.project-switcher select{min-width:180px;max-width:260px}.project-list{display:grid;gap:10px}.project-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--border);border-radius:12px}.project-item.active{border-color:var(--primary);background:var(--primary-soft)}.checkpoint{width:22px;height:22px;accent-color:var(--primary);flex:0 0 auto}.step.done{opacity:.78}.step.done>span:nth-of-type(2){text-decoration:line-through}.step-auto{font-size:12px;color:var(--success);margin-left:auto}.modal::backdrop{background:rgba(20,16,12,.48)}
@media(max-width:760px){.topbar-actions{align-items:stretch}.project-switcher{width:100%}.project-switcher select{min-width:0;max-width:none;flex:1}.project-switcher .btn{padding-inline:10px}.topbar{gap:10px}.topbar-actions{gap:8px}}
.project-item{border-color:var(--line)}.project-item.active{background:color-mix(in srgb,var(--primary) 9%,var(--surface))}.step{grid-template-columns:22px 32px minmax(0,1fr) auto auto}.step .btn{justify-self:end}
@media(max-width:640px){.step{grid-template-columns:22px 32px minmax(0,1fr)}.step .step-auto,.step .btn{grid-column:3;justify-self:start}.project-item{align-items:flex-start;flex-direction:column}.project-item .row-actions{width:100%}}
.requisites{margin:12px 0;padding:11px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--primary) 5%,var(--surface));font-size:12px;line-height:1.55;overflow-wrap:anywhere}.requisites-warning{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 8%,var(--surface))}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.tax-account{padding:14px;border:1px solid var(--line);border-radius:12px}.day.payment-day{border-color:color-mix(in srgb,var(--primary) 65%,var(--line));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--primary) 18%,transparent)}.day-number{display:flex;align-items:center;justify-content:space-between}.payment-marker{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--primary);color:#fff;font-size:11px;font-weight:700}.event-dot.payment{font-weight:700;background:color-mix(in srgb,var(--primary) 20%,transparent)}.event-dot.report{background:color-mix(in srgb,#8b5cf6 15%,transparent);color:#7c3aed}.event-dot.task{background:color-mix(in srgb,#64748b 14%,transparent);color:var(--text)}

/* v4: calendar, notifications, Meridian branding and mobile alignment */
.brand-icon{position:relative;background:var(--primary)}
.brand-icon::before{content:'▦';font-size:23px;color:#fff;line-height:1}
.notification-btn{position:relative;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--surface);display:grid;place-items:center;color:var(--muted)}
.notification-btn .bell-icon{font-size:0;width:17px;height:18px;background:currentColor;border-radius:9px 9px 5px 5px;position:relative}
.notification-btn .bell-icon::after{content:'';position:absolute;width:7px;height:3px;background:currentColor;bottom:-5px;left:5px;border-radius:0 0 5px 5px}
.notification-btn.has-alerts{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,var(--line))}
.notification-count{position:absolute;right:-5px;top:-7px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--danger);color:white;font-size:11px;font-weight:800;display:grid;place-items:center;border:2px solid var(--surface)}
.notification-list{display:grid;gap:10px}.notification-item{display:flex;justify-content:space-between;gap:14px;padding:13px;border:1px solid var(--line);border-radius:13px}.notification-item p{margin:4px 0 0;color:var(--danger);font-size:13px}
.day.today{outline:2px solid var(--primary);outline-offset:-2px}.day.today .day-number strong{display:grid;place-items:center;min-width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff}.event-dot.completed{background:color-mix(in srgb,var(--success) 15%,transparent);color:var(--success)}.event-dot.overdue{background:color-mix(in srgb,var(--danger) 13%,transparent);color:var(--danger)}
.calendar-item-actions{display:flex;align-items:flex-end;gap:7px;flex-direction:column}.calendar-toolbar{align-items:flex-end}
.topbar-actions{row-gap:14px}.quick-add{margin-left:10px}
@media(max-width:820px){
 .topbar{align-items:flex-start}.topbar-actions{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center}.project-switcher{grid-column:1/-1}.notification-btn{grid-column:1;justify-self:start}.quick-add{grid-column:2;margin-left:0;justify-self:end}.calendar-toolbar{align-items:stretch}.calendar-toolbar>.toolbar-group{width:100%;display:grid;grid-template-columns:auto 1fr auto}.calendar-toolbar>.toolbar-group .btn.primary{grid-column:1/-1}.calendar-layout{align-items:start}.mobile-nav button{color:var(--muted)}.mobile-nav button .icon{color:inherit;filter:none}.mobile-nav button.active{color:var(--primary)}
 .calendar-item-actions{align-items:flex-end}.list-item{min-width:0}.list-item>div:first-child{min-width:0}.list-item strong{overflow-wrap:anywhere}
}
@media(max-width:520px){.calendar-grid{gap:3px}.day{min-height:72px}.event-dot{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notification-item{flex-direction:column}.calendar-item-actions{align-items:flex-start}.topbar-actions{gap:10px}.project-switcher{gap:7px}}

/* v5 premium visual system */
:root{--primary:#6f3f23;--primary-2:#9a6540;--bg:#f6f3ef;--surface:#fffdfb;--surface-2:#f0ebe5;--line:#e5ddd4;--shadow:0 18px 50px rgba(70,43,26,.09)}
body{background:radial-gradient(circle at 80% -10%,rgba(154,101,64,.08),transparent 32%),var(--bg)}
.sidebar{background:rgba(255,253,251,.94);backdrop-filter:blur(18px);border-right:1px solid rgba(111,63,35,.1)}
.brand-mark{box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 8px 20px rgba(111,63,35,.18)}
.nav button,.mobile-nav button{transition:background .18s ease,color .18s ease,transform .18s ease}.nav button:hover{transform:translateX(2px)}
.card,.day,.list-item,.modal-card{box-shadow:0 1px 0 rgba(255,255,255,.8),0 10px 30px rgba(65,40,24,.045)}
.btn{font-weight:700;letter-spacing:-.01em}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 8px 18px rgba(111,63,35,.16)}
.topbar{background:rgba(246,243,239,.82);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}
.topbar-actions{display:flex;align-items:center;gap:10px}.notification-btn{order:-1;width:44px;height:44px;border-radius:14px;background:linear-gradient(180deg,#fff,#faf6f2);box-shadow:0 7px 18px rgba(65,40,24,.08);transition:.2s ease}.notification-btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(65,40,24,.12)}
.bell-svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.notification-btn.has-alerts{color:#c62828;background:linear-gradient(180deg,#fff7f7,#fff);border-color:#efcaca}.notification-btn.has-alerts .bell-svg{filter:drop-shadow(0 4px 7px rgba(198,40,40,.22))}
.project-switcher{align-items:center}.project-switcher select{height:44px;border-radius:14px;background:#fff}.quick-add{margin-left:8px}
.auth-screen{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#f7f2ed,#ece4dc)}.auth-card{width:min(420px,100%);background:rgba(255,253,251,.96);border:1px solid rgba(111,63,35,.12);padding:34px;border-radius:28px;box-shadow:0 28px 80px rgba(65,40,24,.16);text-align:center}.auth-card .brand-mark{margin:0 auto 18px}.auth-card h1{margin:0 0 8px;font-size:30px}.auth-form{display:grid;gap:12px;margin-top:24px}.auth-form input{height:48px;border-radius:14px}.auth-note{font-size:12px;margin-top:18px}.hidden{display:none!important}
@media(max-width:820px){.topbar-actions{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px}.notification-btn{grid-column:1;grid-row:1}.project-switcher{grid-column:2;grid-row:1}.quick-add{grid-column:1/-1;width:100%;margin:0}.project-switcher select{min-width:0}.project-switcher .btn{white-space:nowrap}.mobile-nav{align-items:stretch}.mobile-nav button{min-height:54px;justify-content:center}.mobile-nav .icon{color:currentColor!important}}


/* v8: compact project controls, employee navigation and calendar markers */
.nav .icon svg,.mobile-nav .icon svg{width:18px;height:18px;display:block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.project-switcher{min-width:190px;max-width:280px;flex:1}
.project-switcher select{width:100%;min-width:0;max-width:none;padding-right:38px;font-weight:650;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}
.quick-add{width:44px;height:44px;min-width:44px;padding:0!important;margin-left:0!important;border-radius:14px;font-size:25px;line-height:1;display:grid;place-items:center}
.event-indicators{display:flex;align-items:center;gap:4px;flex-wrap:wrap;margin-top:7px}
.event-indicator{position:relative;display:grid;place-items:center;width:22px;height:22px;border-radius:7px;font-size:12px;font-weight:800;background:color-mix(in srgb,var(--primary) 14%,var(--surface));color:var(--primary);border:1px solid color-mix(in srgb,var(--primary) 18%,var(--line))}
.event-indicator.report{color:#7c3aed;background:color-mix(in srgb,#8b5cf6 12%,var(--surface));border-color:color-mix(in srgb,#8b5cf6 20%,var(--line))}
.event-indicator.task{color:var(--muted);background:var(--surface-2);border-color:var(--line)}
.event-indicator.completed{color:var(--success);background:color-mix(in srgb,var(--success) 12%,var(--surface));border-color:color-mix(in srgb,var(--success) 20%,var(--line))}
.event-indicator.overdue{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface));border-color:color-mix(in srgb,var(--danger) 22%,var(--line))}
.event-indicator b{position:absolute;right:-4px;top:-5px;display:grid;place-items:center;width:12px;height:12px;border-radius:50%;background:var(--success);color:white;font-size:8px;border:1px solid var(--surface)}
.event-more{font-size:10px;font-weight:800;color:var(--muted)}
@media(max-width:820px){
 .topbar-actions{display:grid!important;grid-template-columns:44px minmax(0,1fr) 44px!important;align-items:center;width:100%;gap:10px}
 .notification-btn{grid-column:1!important;grid-row:1!important}
 .project-switcher{grid-column:2!important;grid-row:1!important;width:100%;min-width:0;max-width:none}
 .quick-add{grid-column:3!important;grid-row:1!important;width:44px!important;margin:0!important}
 .project-switcher select{height:44px;font-size:15px}
 .mobile-nav button span:last-child{font-size:9.5px}
 .day{min-width:0;overflow:hidden}
 .event-indicators{gap:3px;margin-top:5px}
 .event-indicator{width:18px;height:18px;border-radius:6px;font-size:10px}
 .event-more{font-size:9px}
}
@media(max-width:420px){
 .topbar{padding-inline:14px}
 .topbar-actions{gap:8px}
 .project-switcher select{font-size:14px;padding-left:11px;padding-right:30px}
 .notification-btn,.quick-add{width:42px!important;height:42px;min-width:42px}
 .calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr))}
 .day{padding:5px 4px}
}

/* v9: complete and stable mobile navigation */
.mobile-menu{display:none}
@media(max-width:820px){
  .content{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
  .mobile-nav{
    height:calc(72px + env(safe-area-inset-bottom));
    box-sizing:border-box;
    grid-template-columns:repeat(5,minmax(0,1fr));
    align-items:stretch;
    padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .mobile-nav button{
    width:100%;min-width:0;height:60px;min-height:60px;
    display:grid;grid-template-rows:24px 18px;align-content:center;justify-items:center;
    gap:4px;padding:5px 2px;line-height:1;border-radius:10px;
  }
  .mobile-nav button .icon{width:24px;height:24px;display:grid;place-items:center;font-size:18px;line-height:1}
  .mobile-nav button span:last-child{display:block;width:100%;font-size:9.5px;line-height:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center}
  .mobile-nav button.active{background:color-mix(in srgb,var(--primary) 8%,transparent)}
  .mobile-more-icon{display:flex!important;align-items:center!important;justify-content:center!important;gap:3px!important}
  .mobile-more-icon i{display:block;width:4px;height:4px;border-radius:50%;background:currentColor}
  .mobile-menu{position:fixed;inset:0;z-index:45;display:flex;align-items:flex-end;background:rgba(26,18,13,.38);backdrop-filter:blur(4px)}
  .mobile-menu.hidden{display:none!important}
  .mobile-menu-panel{width:100%;background:var(--surface);border-radius:22px 22px 0 0;border:1px solid var(--line);border-bottom:0;padding:14px 14px calc(88px + env(safe-area-inset-bottom));box-shadow:0 -18px 50px rgba(40,25,16,.18)}
  .mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding:2px 2px 12px}
  .mobile-menu-head strong{font-size:18px}
  .mobile-menu-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .mobile-menu-grid button{min-height:62px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2);color:var(--text);display:flex;align-items:center;gap:12px;padding:12px;text-align:left;font-weight:650}
  .mobile-menu-grid button.active{border-color:color-mix(in srgb,var(--primary) 45%,var(--line));background:color-mix(in srgb,var(--primary) 9%,var(--surface));color:var(--primary)}
  .mobile-menu-grid .icon{width:24px;height:24px;display:grid;place-items:center;flex:0 0 24px}
  .mobile-menu-grid .icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  body.mobile-menu-open{overflow:hidden}
}


/* v10: complete horizontally scrollable mobile navigation */
@media(max-width:820px){
  .mobile-nav{
    display:flex!important;
    grid-template-columns:none!important;
    align-items:stretch;
    gap:0;
    overflow-x:auto;
    overflow-y:hidden;
    overscroll-behavior-x:contain;
    scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding-left:4px;
    padding-right:4px;
  }
  .mobile-nav::-webkit-scrollbar{display:none}
  .mobile-nav button{
    flex:0 0 78px;
    width:78px;
    min-width:78px;
    height:60px;
    min-height:60px;
    scroll-snap-align:center;
    padding:4px 3px;
  }
  .mobile-nav button span:last-child{font-size:9px;line-height:16px}
  .mobile-menu{display:none!important}
}