/* LinkVault × Synthiq — light-first, manually switchable appearance. */
:root{--bg:#f7f7f5;--surface:#fff;--surface-2:#f0f1f2;--ink:#111216;--muted:#74777d;--line:#dfe1e3;--mint:#63dfbc;--mint-soft:#ddf8ef;--shadow:0 8px 28px rgba(20,22,26,.07);--control:#111216;--control-ink:#fff;color-scheme:light}html{background:var(--bg);color-scheme:light}html[data-theme="dark"]{--bg:#0e1012;--surface:#181b1e;--surface-2:#22262a;--ink:#f5f6f7;--muted:#a4a8ae;--line:#30353a;--mint:#6ee6c2;--mint-soft:#14332c;--shadow:0 8px 28px rgba(0,0,0,.28);--control:#f5f6f7;--control-ink:#101214;color-scheme:dark}body{background:radial-gradient(circle at 8% 4%,rgba(238,226,196,.22),transparent 26rem),var(--bg)!important;color:var(--ink)}html[data-theme="dark"] body{background:radial-gradient(circle at 10% 2%,rgba(42,62,58,.25),transparent 28rem),var(--bg)!important}.app-shell{max-width:1040px}.topbar{margin-bottom:26px}.topbar:before{font-size:21px;font-weight:800;letter-spacing:-.035em}.topbar>#settingsBtn{display:none!important}.top-actions{margin-left:auto;gap:10px}.sync-chip{display:flex!important;min-height:42px;padding:0 15px;border:1px solid var(--line);border-radius:15px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow);font-weight:750}.sync-dot{background:var(--mint)}.icon-button{width:46px;height:46px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}.hero .eyebrow{display:block!important;margin-bottom:10px;font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}.hero h1{font-size:44px;line-height:1;letter-spacing:-.055em;margin:0 0 8px;font-weight:850}.hero h1:after{font-size:15px;line-height:2.5;color:var(--muted);font-weight:500}.quick-add{max-width:none;margin-top:18px;gap:10px}.quick-input-wrap{height:60px;border:1px solid var(--line);border-radius:19px;padding:0 17px;box-shadow:var(--shadow);background:var(--surface)}.quick-input-wrap input{font-size:16px;font-weight:500;color:var(--ink)}.quick-input-wrap .hash,.paste-button{display:none!important}.add-button{width:60px;height:60px;flex:0 0 60px;border:1px solid var(--control);border-radius:18px;background:var(--control);color:var(--control-ink);box-shadow:0 7px 20px rgba(0,0,0,.16);font-size:32px;font-weight:500}.status-row{display:block;margin-top:18px}.inbox-card{min-height:80px;border:1px solid color-mix(in srgb,var(--mint) 34%,var(--line));border-radius:20px;background:linear-gradient(100deg,var(--mint-soft),var(--surface) 72%);box-shadow:var(--shadow)}.inbox-icon{background:color-mix(in srgb,var(--mint) 42%,var(--surface));border:0;border-radius:14px}.search-panel{position:relative;top:auto;padding:0;border:0;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}.search-panel input{height:52px;background:var(--surface-2);color:var(--ink);border:1px solid var(--line);border-radius:16px;font-size:15px}.section-heading{align-items:end;margin-bottom:16px}.section-heading .eyebrow{display:block!important;margin-bottom:5px;font-size:10px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.section-heading h2{font-size:30px;letter-spacing:-.045em;font-weight:820}.small-button{min-height:42px;padding:0 15px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 4px 14px rgba(20,22,26,.05);font-size:13px;font-weight:750}.collection-grid{gap:12px}.collection-card{min-height:166px;padding:15px 16px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);background:var(--surface)}.collection-card:hover{transform:translateY(-1px)}.collection-icon{width:52px;height:52px;border:0;border-radius:15px}.collection-menu{width:40px;height:40px;background:var(--surface-2);color:var(--ink);border:0;border-radius:13px;font-size:16px}.collection-name{font-size:17px;font-weight:800}.collection-meta{font-size:12px;font-weight:600;color:var(--muted)}.bookmark-list{gap:10px;background:transparent;border:0;overflow:visible;box-shadow:none}.bookmark-card{min-height:90px;padding:13px;border:1px solid var(--line);border-radius:18px;grid-template-columns:52px minmax(0,1fr) 32px;gap:12px;background:var(--surface);box-shadow:var(--shadow)}.bookmark-card:last-child{border-bottom:1px solid var(--line)}.bookmark-visual{width:52px;height:52px;border:0;border-radius:14px}.bookmark-title strong{font-size:15px;font-weight:750;-webkit-line-clamp:1}.bookmark-description,.bookmark-notes{display:none}.filter-row{gap:8px;margin-bottom:16px}.filter-pill{height:38px;padding:0 15px;background:var(--surface-2);color:var(--ink);border:1px solid var(--line);font-size:12px;font-weight:700}.filter-pill.active{background:var(--control);color:var(--control-ink);border-color:var(--control)}
/* Primary navigation: deliberately prominent, thumb-friendly, and visually separated from content. */
.bottom-nav{height:104px;width:min(calc(100% - 14px),600px);bottom:max(7px,env(safe-area-inset-bottom));padding:10px 9px;border:1px solid var(--line);border-radius:30px;background:color-mix(in srgb,var(--surface) 97%,transparent);box-shadow:0 16px 44px rgba(20,22,26,.16);grid-template-columns:repeat(5,1fr);gap:3px;backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px)}.nav-item{position:relative;color:var(--muted);border-radius:20px;transition:background .16s ease,color .16s ease,transform .16s ease;min-width:0;min-height:78px}.nav-item span{font-size:31px;font-weight:800;line-height:1}.nav-item small{font-size:12px;font-weight:760;margin-top:7px;letter-spacing:-.01em}.nav-item.active{color:var(--ink);background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line)}.nav-item:active{transform:scale(.95)}.nav-item#navSearchBtn{width:74px;height:74px;min-height:74px;align-self:center;justify-self:center;border:1px solid var(--control);border-radius:24px;background:var(--control);color:var(--control-ink);box-shadow:0 9px 24px rgba(0,0,0,.2)}.nav-item#navSearchBtn span{font-size:39px;font-weight:650;line-height:1}.nav-item#navSearchBtn small{display:none}
.modal-card{background:var(--bg);border:1px solid var(--line);border-radius:28px 28px 0 0}.primary-button{background:var(--control);color:var(--control-ink);border:1px solid var(--control);min-height:50px;font-weight:750}.secondary-button{background:var(--surface);color:var(--ink);border:1px solid var(--line);min-height:50px;font-weight:700}.modal-card input,.modal-card select,.modal-card textarea,.toggle-line,.metadata-preview,.notice-card,.setting-row{background:var(--surface);color:var(--ink);border-color:var(--line)}
/* Settings has a real appearance control rather than inheriting the OS implicitly. */
.settings-kicker,.settings-group-label{margin:0;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.settings-kicker{margin-bottom:4px}.settings-group{margin-top:22px}.settings-group-label{margin:0 0 9px 4px}.appearance-card{padding:16px;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow)}.appearance-copy strong{display:block;font-size:16px;font-weight:800}.appearance-copy small{display:block;margin-top:4px;color:var(--muted);font-size:12px}.theme-selector{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}.theme-option{min-height:94px;padding:9px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2);color:var(--ink);cursor:pointer;text-align:left;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.theme-option:active{transform:scale(.98)}.theme-option.active{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}.theme-option b{display:block;margin:7px 2px 1px;font-size:12px}.theme-preview{height:49px;display:block;position:relative;overflow:hidden;border-radius:10px;border:1px solid rgba(120,120,125,.22)}.theme-preview:before{content:"";position:absolute;left:7px;right:7px;top:8px;height:8px;border-radius:5px}.theme-preview:after{content:"";position:absolute;left:7px;right:20px;top:22px;height:17px;border-radius:6px}.theme-preview i{position:absolute;z-index:2;right:7px;bottom:7px;width:13px;height:13px;border-radius:4px}.light-preview{background:#f7f7f5}.light-preview:before,.light-preview:after{background:#fff}.light-preview i{background:#111216}.dark-preview{background:#0e1012}.dark-preview:before,.dark-preview:after{background:#202428}.dark-preview i{background:#f5f6f7}html[data-theme="dark"] .sync-chip,html[data-theme="dark"] .icon-button,html[data-theme="dark"] .small-button{box-shadow:none}html[data-theme="dark"] .bottom-nav{box-shadow:0 16px 44px rgba(0,0,0,.48)}html[data-theme="dark"] .add-button,html[data-theme="dark"] .nav-item#navSearchBtn{box-shadow:0 8px 22px rgba(0,0,0,.34)}
@media(max-width:720px){.app-shell{padding:calc(13px + env(safe-area-inset-top)) 16px calc(136px + env(safe-area-inset-bottom))}.topbar{height:50px}.hero h1{font-size:40px}.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.collection-card{display:flex;min-height:162px}.collection-card-top{display:flex}.collection-name{margin-top:auto}.collections-section{margin-top:4px}.bookmarks-section{margin-top:8px}}
@media(max-width:430px){main{gap:34px}.topbar:before{font-size:20px}.hero h1{font-size:39px}.quick-input-wrap,.add-button{height:58px}.add-button{width:58px;flex-basis:58px}.section-heading h2{font-size:29px}.collection-card{min-height:158px;padding:14px}.bottom-nav{width:calc(100% - 10px);height:102px;padding:9px 6px}.nav-item{min-height:78px}.nav-item span{font-size:31px}.nav-item small{font-size:11px}.nav-item#navSearchBtn{width:72px;height:72px;min-height:72px;border-radius:23px}.nav-item#navSearchBtn span{font-size:38px}}
/* Centered modal shells: collection creation/editing uses the same true viewport-centered card. */
#collectionDialog .modal-card{
  top:50%;
  bottom:auto;
  transform:translate(-50%,-50%);
  width:min(720px,calc(100% - 32px));
  max-height:calc(100dvh - 32px);
  border-radius:28px;
  padding:22px;
  overflow:auto;
}

@media(max-width:720px){
  #collectionDialog .modal-card{
    width:calc(100% - 24px);
    max-height:calc(100dvh - 24px);
    padding:18px;
    border-radius:24px;
  }
}

/* Centered modal shells: settings and bookmark editing use a true viewport-centered card. */
.settings-modal .modal-card,
#bookmarkDialog .modal-card{top:50%;bottom:auto;transform:translate(-50%,-50%);width:min(720px,calc(100% - 32px));max-height:calc(100dvh - 32px);border-radius:28px;padding:22px;overflow:auto}
.settings-modal .modal-card{width:min(980px,calc(100% - 32px));padding:24px}
@media(min-width:721px){
  .settings-modal .modal-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.45fr);column-gap:20px;align-content:start}
  .settings-modal .modal-head{grid-column:1 / -1}
  .settings-modal .settings-group:nth-of-type(1){grid-column:1}
  .settings-modal .settings-group:nth-of-type(2){grid-column:2;grid-row:2 / span 2}
  .settings-modal .settings-group:nth-of-type(3){grid-column:1}
  .settings-modal .settings-group{margin-top:16px}
  .settings-modal .about-card{min-height:94px}
}
@media(max-width:720px){
  .settings-modal .modal-card,
  #bookmarkDialog .modal-card{width:calc(100% - 24px);max-height:calc(100dvh - 24px);padding:18px;border-radius:24px}
}


/* Bookmark form refinement: keep Favorite/Archived compact on desktop and mobile. */
#bookmarkDialog .toggle-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:12px;
}

#bookmarkDialog .toggle-line{
  min-height:44px;
  height:44px;
  margin:0;
  padding:8px 12px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:9px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface)!important;
  color:var(--ink);
  font-size:12px;
  line-height:1;
  cursor:pointer;
}

#bookmarkDialog .toggle-line input[type="checkbox"]{
  width:17px;
  height:17px;
  min-width:17px;
  min-height:17px;
  margin:0;
  padding:0;
  accent-color:var(--accent);
  cursor:pointer;
}

@media(max-width:480px){
  #bookmarkDialog .toggle-grid{
    gap:8px;
  }
  #bookmarkDialog .toggle-line{
    height:42px;
    min-height:42px;
    padding:7px 10px;
    gap:7px;
    font-size:11px;
    border-radius:11px;
  }
  #bookmarkDialog .toggle-line input[type="checkbox"]{
    width:16px;
    height:16px;
    min-width:16px;
    min-height:16px;
  }
}

/* Install onboarding: a globally centered, visual home-screen installation guide. */
.install-guide-modal .modal-card{
  top:50%;
  bottom:auto;
  transform:translate(-50%,-50%);
  width:min(780px,calc(100% - 32px));
  max-height:min(820px,calc(100dvh - 32px));
  padding:24px;
  border-radius:28px;
  overflow:auto;
}
.install-guide-intro{
  margin:6px 0 0;
  color:var(--muted);
  font-size:13px;
  line-height:1.45;
}
.install-guide-steps{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin-top:18px;
}
.install-guide-platform{
  padding:15px;
  border:1px solid var(--line);
  border-radius:20px;
  background:var(--surface);
  box-shadow:var(--shadow);
}
.install-guide-platform-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
}
.install-platform-icon{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  flex:0 0 40px;
  border-radius:13px;
  background:var(--surface-2);
  color:var(--ink);
  font-size:20px;
  font-weight:800;
}
.install-guide-platform-head strong{
  display:block;
  font-size:14px;
  font-weight:800;
}
.install-guide-platform-head small{
  display:block;
  margin-top:2px;
  color:var(--muted);
  font-size:11px;
}
.install-guide-platform ol{
  display:grid;
  gap:9px;
  margin:0;
  padding:0;
  list-style:none;
}
.install-guide-platform li{
  display:grid;
  grid-template-columns:28px minmax(0,1fr);
  gap:9px;
  align-items:start;
  padding:10px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface-2);
}
.install-guide-platform li>span{
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  border-radius:9px;
  background:var(--control);
  color:var(--control-ink);
  font-size:11px;
  font-weight:850;
}
.install-guide-platform li strong{
  display:block;
  font-size:11px;
  line-height:1.25;
}
.install-guide-platform li small{
  display:block;
  margin-top:3px;
  color:var(--muted);
  font-size:10px;
  line-height:1.35;
}
.install-action-hint{
  display:flex!important;
  align-items:center;
  gap:5px;
}
.share-symbol,.menu-symbol{
  width:20px;
  height:20px;
  display:inline-grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:6px;
  background:var(--surface);
  color:var(--ink);
  font-size:12px;
}
.install-guide-note{
  display:flex;
  align-items:center;
  gap:9px;
  margin-top:14px;
  padding:11px 13px;
  border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line));
  border-radius:14px;
  background:var(--accent-soft);
}
.install-guide-note>span{
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  flex:0 0 26px;
  border-radius:8px;
  background:var(--accent);
  color:#fff;
  font-size:13px;
  font-weight:900;
}
.install-guide-note p{
  margin:0;
  color:var(--ink);
  font-size:11px;
  line-height:1.4;
  font-weight:650;
}
.install-guide-actions{
  margin-top:16px;
}
.install-guide-actions .primary-button{
  min-width:120px;
}
@media(max-width:720px){
  .install-guide-modal .modal-card{
    width:calc(100% - 24px);
    max-height:calc(100dvh - 24px);
    padding:18px;
    border-radius:24px;
  }
  .install-guide-steps{
    grid-template-columns:1fr;
    gap:10px;
    margin-top:15px;
  }
  .install-guide-platform{
    padding:12px;
    border-radius:17px;
  }
  .install-guide-platform-head{
    margin-bottom:9px;
  }
  .install-guide-platform li{
    padding:9px;
  }
  .install-guide-note{
    margin-top:10px;
  }
}