:root{
  --bg:#F7F8F5;
  --surface:#ffffff;
  --surface2:#F1F4F0;
  --surface3:#ECF0EB;
  --text:#132016;
  --muted:#5B6A60;
  --border:#D9E1DA;
  --accent:#355D40;
  --danger:#B33A3A;
  --warn:#CAA132;
  --success:#2F8F52;
  --shadow: 0 10px 22px rgba(0,0,0,.06);
  --radius: 16px;

  /* layout /*/
  --header-height: 102px;
  --content-top-offset: 0px;

  /* spacing scale */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
}

/* Dark theme (optional) */
html[data-theme="dark"]{
  --bg:#0F1411;
  --surface:#141B16;
  --surface2:#18201A;
  --surface3:#1E281F;
  --text:#E7EFEA;
  --muted:#A9B7AE;
  --border:#273228;
  --accent:#78C08F;
  --danger:#E27676;
  --warn:#E4C066;
  --success:#7EDAA5;
  --shadow: 0 10px 22px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{min-height:100%}
body{
  margin:0;
  min-height:100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 480px at 20% 0%, rgba(53,93,64,.10), rgba(247,248,245,0) 60%),
    radial-gradient(800px 420px at 80% 10%, rgba(53,93,64,.06), rgba(247,248,245,0) 60%),
    var(--bg);
  background-attachment: fixed;
}
a{color:inherit}

/* Typography */
h1,h2,h3{letter-spacing:.2px}
h1{font-size:28px; line-height:1.15; margin:0 0 6px 0}
h2{font-size:22px; line-height:1.2; margin:0 0 6px 0}
h3{font-size:16px; line-height:1.25; margin:0 0 8px 0}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.shell{max-width:1280px;margin:0 auto;padding:0 16px}
.app-shell{--content-top-offset:18px;padding-top:var(--content-top-offset)}
.page{padding-top:0}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns: 1fr 1fr}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}}
.small{font-size:13px;color:var(--muted)}
/* Extra breathing room between field label and control */
div.small + input, div.small + select, div.small + textarea{margin-top:6px}
div.small + .row{margin-top:6px}
hr{border:0;height:1px;background:var(--border);margin:12px 0}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}

/* Page head + breadcrumbs */
.page-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-end;margin-bottom:12px}
.page-head .meta{min-width: 240px}
.page-head .actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:0 0 10px 0}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:hover{color:var(--text)}
.crumb-sep{color:var(--muted)}

.section{margin-top: var(--s-5)}
.section:first-child{margin-top:0}

.empty{
  text-align:center;
  padding: 26px 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.0), rgba(255,255,255,0.06));
}
html[data-theme="dark"] .empty{
  background: linear-gradient(180deg, rgba(20,27,22,0.0), rgba(20,27,22,0.4));
}
.empty .title{font-weight:900;margin-bottom:6px}
.empty .desc{color:var(--muted);font-size:13px;line-height:1.35}
.empty .actions{margin-top:12px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.75);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
html[data-theme="dark"] .nav{background:rgba(20,27,22,.78)}
.nav .container, .nav .shell{padding:12px 16px}
.topbar{display:flex;justify-content:space-between;gap:12px;align-items:center}
.topbar-main{display:flex;align-items:center;gap:10px;min-width:0;flex:1;overflow-x:auto;white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

.top-quick-nav{display:flex;gap:8px;flex-wrap:nowrap;margin-top:10px}
.topbar-main .top-quick-nav{margin-top:0;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px}
.top-quick-link{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);text-decoration:none;font-weight:700;font-size:13px}
.top-quick-link.active{border-color: rgba(53,93,64,.35); background: rgba(53,93,64,.08)}
html[data-theme="dark"] .top-quick-link.active{border-color: rgba(120,192,143,.35); background: rgba(120,192,143,.1)}
.brand{font-weight:800;letter-spacing:.2px}

.brand-link{display:inline-flex;align-items:center;text-decoration:none}
.brand-logo{height:34px;width:auto;display:block}
@media(max-width:700px){.brand-logo{height:28px}}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  border:1px solid var(--border);
  background: var(--surface2);
  font-size:12px;color:var(--muted);
}
.badge.warn{background: rgba(202,161,50,.10); border-color: rgba(202,161,50,.35); color:#6a520e}
.badge.danger{background: rgba(179,58,58,.10); border-color: rgba(179,58,58,.35); color:#7a1f1f}
.badge.success{background: rgba(47,143,82,.10); border-color: rgba(47,143,82,.35); color:#1f5a33}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:14px;
  border:1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration:none;
  font-weight:700;
  cursor:pointer;
}
.btn:hover{filter:brightness(.98)}
.btn:active{transform:translateY(1px)}
.btn[disabled], .btn.disabled{opacity:.55; cursor:not-allowed; transform:none}
.btn.sm{padding:8px 10px;border-radius:12px;font-weight:800;font-size:13px}
.btn.icon{padding:9px 10px;border-radius:14px;min-width:40px}
.btn.primary{
  background: var(--accent);
  border-color: var(--accent);
  color:#fff;
}
.btn.ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn.danger{background: var(--danger); border-color: var(--danger); color:#fff}

input,select,textarea{
  width:100%;
  padding:11px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  outline:none;
}

/* Better spacing between field labels and inputs */
.small + input,
.small + select,
.small + textarea{margin-top:6px}

textarea{resize:vertical}
input:focus,select:focus,textarea:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(53,93,64,.12);
}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 8px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
thead th{font-size:12px;color:var(--muted);font-weight:800}
tbody tr:hover td{background: rgba(53,93,64,.04)}
tbody tr:nth-child(even) td{background: rgba(0,0,0,.015)}
html[data-theme="dark"] tbody tr:nth-child(even) td{background: rgba(255,255,255,.03)}
html[data-theme="dark"] tbody tr:hover td{background: rgba(120,192,143,.06)}

/* Admin: Numbers (Voximplant sync) */
tr.danger-row td{background: rgba(179,58,58,.06)}
tr.danger-row:hover td{background: rgba(179,58,58,.09)}
code{background: var(--surface2); border:1px solid var(--border); padding:2px 6px; border-radius:10px}

.table-wrap{overflow-x:auto}
.table-wrap table{min-width: 820px}
.break-all{word-break:break-all}

.notice{border-radius:14px;padding:12px;border:1px solid var(--border);background:var(--surface2)}
.notice.success{border-color: rgba(47,143,82,.35); background: rgba(47,143,82,.08)}
.notice.danger{border-color: rgba(179,58,58,.35); background: rgba(179,58,58,.08)}
.notice.warn{border-color: rgba(202,161,50,.35); background: rgba(202,161,50,.08)}

.menu{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* Sidebar shell */
.app-shell{display:flex;gap:16px;align-items:flex-start}
.main{flex:1;min-width:0}
.main .container{max-width:980px}
.sidebar{
  width:272px;
  position:sticky;
  top:calc(var(--header-height) + var(--content-top-offset));
  align-self:flex-start;
  max-height:none;
  overflow:visible;
  padding:12px;
  background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(248,250,252,.92));
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow: 0 10px 30px rgba(16,24,40,.06), inset 0 1px 0 rgba(255,255,255,.45);
}
html[data-theme="dark"] .sidebar{
  background: linear-gradient(180deg, rgba(24,31,26,.95), rgba(18,24,20,.92));
  box-shadow: 0 10px 30px rgba(0,0,0,.28);
}

.sb-header{padding:6px 8px 12px 8px;border-bottom:1px solid var(--border);margin-bottom:10px}
.sb-brand{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.sb-caption{margin-top:4px;color:var(--muted)}



.sb-groups{display:flex;flex-direction:column;gap:2px}
.sb-group{margin-top:12px;padding-top:10px;border-top:1px solid rgba(116,134,125,.18)}
.sb-group:first-child{margin-top:0;padding-top:0;border-top:none}
.sb-title{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:4px 10px}
.sb-items{display:flex;flex-direction:column;gap:6px}

.sb-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 11px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--surface);
  text-decoration:none;
  font-weight:650;
}
.sb-item:hover{filter:brightness(.98)}
.sb-item.active{border-color: rgba(53,93,64,.35); background: linear-gradient(180deg, rgba(53,93,64,.10), rgba(53,93,64,.05));}
html[data-theme="dark"] .sb-item.active{border-color: rgba(120,192,143,.35); background: rgba(120,192,143,.08)}

.sb-parent{cursor:pointer;list-style:none}
.sb-parent::-webkit-details-marker{display:none}
.sb-caret{font-size:12px;color:var(--muted)}
.sb-children{display:flex;flex-direction:column;gap:6px;padding:6px 0 0 0}
.sb-subitem{padding:9px 10px;border-radius:10px;border:1px solid var(--border);background:var(--surface2);text-decoration:none;font-weight:600;color:var(--text)}
.sb-subitem.active{border-color: rgba(53,93,64,.35); background: rgba(53,93,64,.10)}
html[data-theme="dark"] .sb-subitem{background:var(--surface3)}

/* Dropdown (project switcher) */
.dropdown{position:relative}
.dropdown > summary{list-style:none;cursor:pointer}
.dropdown > summary::-webkit-details-marker{display:none}
.dropdown-menu{
  position:absolute;
  top:calc(100% + 10px);
  left:0;
  min-width: 320px;
  max-height: 420px;
  overflow:auto;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow: var(--shadow);
  padding:8px;
  z-index:200;
}
.dropdown-item{display:flex;gap:10px;align-items:center;padding:10px 10px;border-radius:14px;text-decoration:none;font-weight:800}
.dropdown-item:hover{background:rgba(53,93,64,.06)}
.dropdown-sep{height:1px;background:var(--border);margin:6px 6px}
.dropdown-empty{padding:10px 10px;color:var(--muted);font-size:13px}

/* Project tabs (in project pages) */
.tabs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;overflow:visible;padding:6px 0;margin:10px 0 0 0}
.tab{white-space:nowrap;display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;border:1px solid var(--border);background:var(--surface);text-decoration:none;font-weight:900}
.tab:hover{filter:brightness(.98)}
.tab.active{border-color: rgba(53,93,64,.35); background: rgba(53,93,64,.06)}
html[data-theme="dark"] .tab.active{border-color: rgba(120,192,143,.35); background: rgba(120,192,143,.08)}

/* Mobile sidebar */
.mobile-only{display:none}
.sidebar-overlay{display:none}
@media(max-width:900px){
  .mobile-only{display:inline-flex}
  .app-shell{padding:0 16px}
  .sidebar{
    position:fixed;
    top:0;
    left:-290px;
    height:100vh;
    width:284px;
    border-radius:0 18px 18px 0;
    border-left:none;
    border-top:none;
    border-bottom:none;
    padding:14px;
    overflow:visible;
    z-index:1200;
    transition:left .18s ease;
  }
  body.sidebar-open .sidebar{left:0}
  .sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,.28);z-index:1100}
  body.sidebar-open .sidebar-overlay{display:block}
  .main .container{max-width:1100px}
}

/* Filters */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.filters .field{min-width:220px;flex:1}
.filters .field.sm{min-width:160px;flex:0}

/* Stepper */
.stepper{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.step{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface);
  font-size:13px;color:var(--muted);
}
.step .dot{width:10px;height:10px;border-radius:999px;background:var(--border)}
.step.active{border-color: rgba(53,93,64,.35); background: rgba(53,93,64,.06); color:var(--text)}
html[data-theme="dark"] .step.active{border-color: rgba(120,192,143,.35); background: rgba(120,192,143,.08)}
.step.active .dot{background:var(--accent)}

/* Toasts */
#toasts{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:9999;max-width:min(420px, calc(100vw - 32px))}
.toast{border-radius:16px;padding:12px 14px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow)}
.toast .t-title{font-weight:900;margin-bottom:4px;font-size:13px}
.toast .t-msg{font-size:13px;line-height:1.3;color:var(--muted)}
.toast.success{border-color: rgba(47,143,82,.35); background: rgba(47,143,82,.08)}
.toast.danger{border-color: rgba(179,58,58,.35); background: rgba(179,58,58,.08)}
.toast.warn{border-color: rgba(202,161,50,.35); background: rgba(202,161,50,.08)}

/* Sticky action bar (for long forms) */
.sticky-bar{position:sticky;bottom:10px;z-index:20;margin-top:12px}
.sticky-bar .card{box-shadow: 0 18px 30px rgba(0,0,0,.10)}