:root{
  --emerald:#48C98D;
  --forest:#2D9B6D;
  --sage:#79B89C;
  --mint:#234A3D;
  --bg:#07120D;
  --warm:#0D1914;
  --surface:#0F2119;
  --surface-2:#162A22;
  --text:#EAF4EF;
  --muted:#9BAEA4;
  --line:#2C493D;
  --danger:#FF8178;
  --shadow:0 12px 34px rgba(0,0,0,.31);
  --radius:14px;
  --bookmark-row-height:34px;
  --section-header-height:38px;
  --section-gap:10px;
  --section-min-width:238px;
}

*{box-sizing:border-box}
html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% -20%,rgba(46,125,91,.14),transparent 35%),var(--bg)}
body.density-standard{--bookmark-row-height:42px;--section-header-height:46px;--section-gap:14px;--section-min-width:252px}
a{color:#78D9AD}
button,input,select{font:inherit}

/* Horní navigace */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:18px;min-height:92px;padding:4px 24px;background:rgba(6,17,12,.95);border-bottom:1px solid #29463A;backdrop-filter:blur(12px);box-shadow:0 7px 26px rgba(0,0,0,.18)}
.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.brand img{display:block;width:184px;height:82px;object-fit:contain;object-position:left center}
.main-nav{display:flex;align-items:center;gap:3px}
.main-nav a{text-decoration:none;color:#B4C4BC;padding:9px 12px;border-radius:10px;font-size:.92rem;transition:background .16s,color .16s}
.main-nav a:hover,.main-nav a.active{background:#163328;color:#E2F6EB}
.nav-toggle{display:none;border:0;background:transparent;color:var(--text);font-size:1.35rem;margin-left:auto}
.user-chip{margin-left:auto;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#0F5E3E;color:white;font-weight:800;font-size:.78rem;border:1px solid #327A5B;box-shadow:0 3px 12px rgba(0,0,0,.2)}

/* Pracovní plocha */
.page-shell{max-width:1600px;margin:0 auto;padding:14px 24px 30px}
.dashboard-head{display:flex;justify-content:space-between;align-items:center;gap:18px;min-height:48px;margin:0 0 11px}
.dashboard-head.no-welcome{justify-content:flex-end;min-height:42px;margin-bottom:9px}
.welcome-copy{min-width:0}
.dashboard-head h1{font-size:1.42rem;line-height:1.15;margin:0 0 3px;color:#F3F8F5;letter-spacing:-.015em}
.dashboard-head p{margin:0;color:#9FB2A8;font-size:.91rem}
.head-actions{display:flex;align-items:center;gap:9px;margin-left:auto}
.search-wrap input{width:min(320px,32vw);padding:9px 13px;border:1px solid #315044;border-radius:10px;background:#0C1D16;color:var(--text);outline:none;transition:border-color .16s,box-shadow .16s,background .16s}
.search-wrap input::placeholder{color:#74887D}
.search-wrap input:hover{background:#10231B}
.search-wrap input:focus,input:focus,select:focus{border-color:#4AA77A;box-shadow:0 0 0 3px rgba(72,201,141,.14)}

.btn{border:1px solid transparent;border-radius:10px;padding:9px 14px;cursor:pointer;text-decoration:none;display:inline-flex;justify-content:center;align-items:center;gap:6px;font-weight:700;transition:background .16s,border-color .16s,transform .12s}
.btn.primary{background:#26855E;color:white}
.btn.primary:hover{background:#2E9C6E}
.btn.primary:active{transform:translateY(1px)}
.btn.ghost{background:#14271F;border-color:var(--line);color:var(--text)}
.btn.ghost:hover{background:#1B3329}
.btn.danger{color:var(--danger)}
.btn.full{width:100%}
.btn.tiny{padding:6px 9px;font-size:.8rem}
.btn:disabled{opacity:.45;cursor:not-allowed}

.sections-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--section-min-width),1fr));gap:var(--section-gap);align-items:start}
.sections-grid.compact-layout{grid-auto-rows:4px;grid-auto-flow:row dense}
.bookmark-section{background:var(--section-bg);color:var(--section-text);border:1px solid var(--section-border);border-radius:11px;overflow:hidden;box-shadow:0 6px 20px rgba(0,0,0,.24),inset 0 0 0 1px rgba(255,255,255,.025);min-width:0;transition:box-shadow .17s,border-color .17s,transform .17s}
.bookmark-section:hover{box-shadow:0 9px 25px rgba(0,0,0,.3),inset 0 0 0 1px rgba(255,255,255,.045)}
.bookmark-section.sortable-ghost{opacity:.35}
.section-header{display:flex;align-items:center;min-height:var(--section-header-height);border-bottom:1px solid rgba(255,255,255,.13);background:rgba(0,0,0,.13);cursor:grab}
.section-header:active{cursor:grabbing}
.section-toggle{flex:1;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:7px;padding:7px 10px;border:0;background:transparent;color:var(--section-text);text-align:left;font-weight:800;cursor:inherit}
.density-standard .section-toggle{padding:10px 12px}
.section-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chevron{flex:0 0 auto;margin-left:auto;font-size:1.25rem;line-height:1;opacity:.85;transition:transform .18s,opacity .16s}
.bookmark-section.collapsible:not(.collapsed) .chevron{transform:rotate(90deg)}
.bookmark-section.collapsible:hover .chevron{opacity:1}
.section-menu{margin-right:4px;color:var(--section-text)}
.icon-btn{border:0;background:transparent;border-radius:8px;cursor:pointer;padding:5px 7px;font-size:1.08rem;line-height:1;transition:background .15s,opacity .15s}
.icon-btn:hover{background:rgba(255,255,255,.12)}
.section-body{background:rgba(0,0,0,.035);color:var(--section-text)}
.bookmark-section.collapsed .section-body{display:none}
.bookmark-list{overflow-y:visible}
.bookmark-list.limited{max-height:calc(var(--visible-items) * var(--bookmark-row-height));overflow-y:auto;overscroll-behavior:contain;scrollbar-color:rgba(255,255,255,.34) transparent;scrollbar-width:thin}
.bookmark-row{height:var(--bookmark-row-height);display:grid;grid-template-columns:18px 22px minmax(0,1fr) 28px;align-items:center;gap:6px;padding:0 4px 0 6px;border-bottom:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.035);color:var(--section-text);transition:background .14s,box-shadow .14s}
.density-standard .bookmark-row{grid-template-columns:20px 24px minmax(0,1fr) 30px;gap:7px;padding:0 5px 0 6px}
.bookmark-row:hover{background:rgba(255,255,255,.105);box-shadow:inset 3px 0 0 rgba(255,255,255,.22)}
.bookmark-row.search-hidden{display:none}
.bookmark-row.sortable-ghost{opacity:.3}
.drag-handle{opacity:0;color:var(--section-text);cursor:grab;text-align:center;filter:opacity(.54);transition:opacity .14s}
.bookmark-section:hover .drag-handle,.bookmark-row:focus-within .drag-handle{opacity:1}
.favicon{width:17px;height:17px;object-fit:contain;border-radius:4px}
.density-standard .favicon{width:19px;height:19px}
.bookmark-row a{text-decoration:none;color:var(--section-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.88rem}
.density-standard .bookmark-row a{font-size:.93rem}
.bookmark-row a:hover{text-decoration:none}
.bookmark-menu{opacity:0;color:var(--section-text);filter:opacity(.72)}
.bookmark-row:hover .bookmark-menu,.bookmark-row:focus-within .bookmark-menu{opacity:1}
.add-link{width:100%;border:0;background:rgba(0,0,0,.02);color:var(--section-text);text-align:left;padding:7px 10px;cursor:pointer;filter:opacity(.84);transition:background .14s,filter .14s}
.density-standard .add-link{padding:9px 12px}
.add-link:hover{background:rgba(255,255,255,.09);filter:none}
.create-section-tile{min-height:150px;border:1.5px dashed #3A5A4D;border-radius:11px;background:#0B1A14;color:#A8BCB1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;transition:background .16s,border-color .16s,transform .16s}
.create-section-tile:hover{background:#10241B;border-color:#67A186;transform:translateY(-1px)}
.create-section-tile span{font-size:2.15rem;color:#67D6A0;line-height:1}
.create-section-tile small{color:#8EA298}

/* Modaly a formuláře */
.modal-backdrop{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.64);display:grid;place-items:center;padding:20px}
.modal-backdrop[hidden]{display:none}
.modal{position:relative;width:min(480px,100%);max-height:92vh;overflow:auto;background:#10231B;color:var(--text);border:1px solid #315044;border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.5);padding:22px}
.modal h2{margin:0 34px 18px 0}
.modal-close{position:absolute;top:10px;right:10px;border:0;background:transparent;font-size:1.5rem;cursor:pointer;color:#A7B8AF}
.modal label,.auth-card label,.settings-card label{display:block;font-size:.9rem;font-weight:650;margin:12px 0}
.modal input:not([type=radio]):not([type=color]),.modal select,.auth-card input,.settings-card input,.settings-card select{display:block;width:100%;margin-top:6px;padding:10px 11px;border:1px solid #365047;border-radius:9px;background:#091711;color:var(--text);outline:none}
.modal select option,.settings-card select option{background:#091711;color:var(--text)}
.modal small,.settings-card small{display:block;margin-top:5px;color:var(--muted);font-weight:400;line-height:1.42}
.modal fieldset,.settings-fieldset{border:0;padding:0;margin:12px 0}
.modal legend,.settings-fieldset legend{font-size:.9rem;font-weight:700;margin-bottom:8px}
.segmented{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.segmented label{margin:0}
.segmented input{position:absolute;opacity:0}
.segmented span{display:block;text-align:center;padding:9px;cursor:pointer;background:#0A1913}
.segmented input:checked+span{background:#267E5A;color:white}
.color-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.color-row input[type=color]{width:100%;height:42px;margin-top:6px;border:1px solid var(--line);border-radius:9px;padding:3px;background:#091711}
.modal-actions{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px;align-items:center;margin-top:20px}

.footer{color:#8FA49A;font-size:.79rem;padding:24px 2px 0}
.footer span{padding:0 6px;color:#5F796C}
.flash{padding:11px 13px;border-radius:10px;margin:0 0 14px;border:1px solid transparent}
.flash.success{background:#113626;color:#9DE0BB;border-color:#24523D}
.flash.error{background:#3A1717;color:#FFB1AB;border-color:#63302D}
.flash.warning{background:#3A2B12;color:#F4CF83;border-color:#5C4724}

/* Přihlášení / instalace */
.auth-bg{display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 0,#173B2F 0,transparent 35%),linear-gradient(180deg,#0B1712,#07110D)}
.auth-card{width:min(430px,100%);background:#0F2119;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}
.auth-logo{display:block;width:255px;height:118px;object-fit:contain;margin:0 auto 4px}
.auth-card h1{text-align:center;margin:2px 0;color:#F0F7F3}
.auth-card .muted{text-align:center}
.auth-alt{text-align:center;margin:18px 0 0}
.muted{color:var(--muted);font-weight:400}
.setup-card{width:min(700px,100%)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.form-grid h2{font-size:1.1rem;margin:14px 0 0}
.span-2{grid-column:span 2}
.check{display:flex!important;align-items:center;gap:8px}
.check input{width:auto!important;margin:0!important}

/* Nastavení profilu */
.settings-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.settings-card{background:#0F2119;border:1px solid #2B493C;border-radius:14px;padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.16)}
.settings-card h1,.settings-card h2{margin-top:0}
.settings-card p{color:#B2C2BA}
.switch-row{display:flex!important;align-items:center;justify-content:space-between;gap:20px;padding:7px 0 11px;border-bottom:1px solid rgba(255,255,255,.055)}
.switch-row>span:first-child{min-width:0}
.switch-row strong{display:block}
.switch{position:relative;flex:0 0 48px;width:48px;height:27px}
.switch input{position:absolute!important;opacity:0;width:1px!important;height:1px!important}
.switch i{display:block;width:48px;height:27px;border-radius:999px;background:#294238;border:1px solid #3B5B4E;transition:.18s;cursor:pointer}
.switch i:after{content:"";display:block;width:21px;height:21px;border-radius:50%;background:#D5E5DD;margin:2px;transition:.18s}
.switch input:checked+i{background:#267E5A;border-color:#3BA576}
.switch input:checked+i:after{transform:translateX(21px);background:white}
.settings-fieldset{margin-top:16px}
.density-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.density-options label{margin:0;position:relative}
.density-options input{position:absolute!important;opacity:0;width:1px!important;height:1px!important}
.density-options span{display:block;height:100%;padding:11px 12px;border:1px solid #365047;border-radius:10px;background:#0A1913;cursor:pointer;transition:border-color .15s,background .15s,box-shadow .15s}
.density-options span strong{display:block;margin-bottom:2px}
.density-options input:checked+span{border-color:#3FA777;background:#143528;box-shadow:0 0 0 2px rgba(72,201,141,.08)}

/* Admin */
.admin-table-wrap{background:#0F2119;border:1px solid var(--line);border-radius:14px;overflow:auto}
.admin-table{width:100%;border-collapse:collapse;min-width:900px}
.admin-table th,.admin-table td{text-align:left;padding:12px 11px;border-bottom:1px solid #223A31;font-size:.9rem}
.admin-table th{background:#14271F;color:#B6C6BE}
.admin-table td small{display:block;color:var(--muted);margin-top:2px}
.badge{display:inline-block;border-radius:999px;background:#173D2D;color:#9DE0BB;font-size:.72rem;padding:3px 7px}
.badge.danger{background:#3A1717;color:#FFB1AB;margin-top:4px}
.actions{white-space:nowrap}
.icon-preview-row{display:flex;align-items:center;gap:12px;margin:10px 0 4px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#0A1913}
.icon-preview{width:34px;height:34px;object-fit:contain;border-radius:7px;background:#EAF2ED;border:1px solid #365047;padding:3px}
.icon-preview-row strong{display:block;font-size:.88rem}
.icon-preview-row small{margin-top:2px}
.check.compact{margin:9px 0 0!important;font-weight:500}
.check.compact input{flex:0 0 auto}

/* Veřejná SEO titulní stránka */
.landing{min-height:100vh;background:radial-gradient(circle at 25% 0,#173B2F 0,transparent 32%),var(--bg);color:var(--text)}
.landing-shell{max-width:1100px;margin:0 auto;padding:34px 24px 64px}
.landing-nav{display:flex;align-items:center;justify-content:space-between;gap:20px}
.landing-logo{width:255px;height:118px;object-fit:contain}
.landing-actions{display:flex;gap:9px}
.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);gap:42px;align-items:center;padding:64px 0 50px}
.hero h1{font-size:clamp(2.3rem,5vw,4.4rem);line-height:1.02;margin:0 0 18px;letter-spacing:-.04em}
.hero p{font-size:1.15rem;line-height:1.65;color:#ADC0B6;max-width:720px}
.hero-card{background:linear-gradient(145deg,#153328,#10251D);border:1px solid #315144;border-radius:22px;padding:24px;box-shadow:var(--shadow)}
.hero-card strong{display:block;font-size:1.08rem;margin-bottom:12px}
.hero-list{display:grid;gap:9px}
.hero-list span{padding:11px 12px;border-radius:10px;background:#0D1C16;border:1px solid #294238;color:#C9D8D1}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature{background:#0F2019;border:1px solid var(--line);border-radius:15px;padding:20px}
.feature h2{font-size:1.05rem;margin:0 0 7px}
.feature p{margin:0;color:#98ACA1;line-height:1.5;font-size:.93rem}

@media(max-width:820px){
  .topbar{padding:4px 12px;min-height:78px;flex-wrap:wrap;gap:10px}
  .brand img{width:150px;height:68px}
  .nav-toggle{display:block}
  .user-chip{margin-left:0}
  .main-nav{display:none;order:4;width:100%;flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}
  .main-nav a{padding:9px 10px}
  .page-shell{padding:11px 12px 24px}
  .dashboard-head{align-items:stretch;flex-direction:column;gap:9px;margin-bottom:10px}
  .dashboard-head.no-welcome{align-items:stretch;min-height:0}
  .head-actions{display:grid;grid-template-columns:1fr auto;width:100%}
  .search-wrap input{width:100%}
  .sections-grid,.sections-grid.compact-layout{grid-template-columns:1fr;grid-auto-rows:auto;gap:9px}
  .sections-grid.compact-layout>*{grid-row-end:auto!important}
  .bookmark-section{border-radius:10px}
  .bookmark-section.collapsible.collapsed{min-height:0}
  .create-section-tile{min-height:78px}
  .drag-handle,.bookmark-menu{opacity:1}
  .settings-layout{grid-template-columns:1fr}
  .modal{padding:18px}
  .form-grid{grid-template-columns:1fr}
  .span-2{grid-column:auto}
  .hero{grid-template-columns:1fr;padding-top:44px}
  .features{grid-template-columns:1fr}
  .landing-logo{width:205px;height:94px}
  .landing-actions .btn.ghost{display:none}
}

@media(max-width:480px){
  .head-actions{grid-template-columns:1fr}
  .head-actions .btn{width:100%}
  .dashboard-head h1{font-size:1.25rem}
  .bookmark-row{grid-template-columns:18px 22px minmax(0,1fr) 28px;gap:5px}
  .color-row,.density-options{grid-template-columns:1fr}
  .modal-actions{grid-template-columns:1fr 1fr}
  .modal-actions span{display:none}
  .modal-actions .danger{grid-column:1/-1}
  .auth-card{padding:20px}
  .auth-logo{width:220px;height:102px}
  .switch-row{align-items:flex-start}
  .landing-shell{padding:22px 16px 46px}
  .landing-logo{width:175px;height:82px}
  .hero{padding-top:32px;gap:24px}
  .hero h1{font-size:2.35rem}
  .landing-actions .btn{padding:8px 11px}
}

/* v0.9 – mobilní scroll bez konfliktu s drag & drop */
@media(max-width:820px){
  /* Na mobilu se vyhneme vnořenému scrollu uvnitř sekce. Celá stránka scrolluje jako jeden celek. */
  .bookmark-list.limited{
    max-height:none!important;
    overflow-y:visible!important;
    overscroll-behavior:auto!important;
  }
  .sections-grid,.bookmark-section,.section-header,.section-body,.bookmark-list,.bookmark-row{
    touch-action:pan-y;
  }
  /* Funkční úchyt zůstává pro přesun; drag se v JS aktivuje až po delším podržení. */
  .drag-handle{touch-action:none;user-select:none;-webkit-user-select:none}
}