/* ChemStride admin — brand tokens from Brand Guidelines v1.0 */
:root{
  --red:#ED1C24; --coral:#F03A55; --charcoal:#454242; --slate:#928F8E;
  --lgray:#E6E6E6; --navy:#0E1826;
  --bg:#F6F6F7; --surface:#fff; --line:#E3E3E5;
  --ink:#242222; --ink-2:#5C5959; --ink-3:#8C8988;
  --ok:#0F7B4F; --warn:#B45309;
  --r:12px; --r-sm:8px;
  --font:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 8px 24px -12px rgba(0,0,0,.14);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#131315; --surface:#1C1C1F; --line:#2E2E33;
    --ink:#EFEFEF; --ink-2:#B4B2B1; --ink-3:#85827F; --lgray:#2A2A2E;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);background:var(--bg);color:var(--ink);
  font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.015em}
h1{font-size:1.6rem}
h2{font-size:1.22rem}
h3{font-size:1.02rem}
p{margin:0}
.muted{color:var(--ink-2)}
.xs{font-size:.78rem}
.sm{font-size:.87rem}
.hidden{display:none !important}

/* ---------------------------------------------------------------- login -- */
.login{min-height:100dvh;display:grid;place-items:center;padding:24px}
.login__card{
  width:100%;max-width:390px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);padding:34px 30px;box-shadow:var(--shadow);
}
.login__logo{
  display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem;
  letter-spacing:-.02em;margin-bottom:4px;
}
.login__dot{width:11px;height:11px;border-radius:50%;background:var(--red)}

/* ---------------------------------------------------------------- shell -- */
.shell{display:grid;grid-template-columns:238px minmax(0,1fr);min-height:100dvh}
.side{
  background:var(--surface);border-right:1px solid var(--line);
  padding:20px 14px;display:flex;flex-direction:column;gap:3px;
  position:sticky;top:0;height:100dvh;overflow-y:auto;
}
.side__brand{
  display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.02rem;
  letter-spacing:-.02em;padding:4px 10px 16px;
}
.side__label{
  font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);
  font-weight:700;padding:16px 10px 6px;
}
.navlink{
  display:flex;align-items:center;gap:10px;padding:8px 11px;border-radius:var(--r-sm);
  color:var(--ink-2);font-size:.9rem;font-weight:500;cursor:pointer;border:0;
  background:none;width:100%;text-align:left;font-family:inherit;
}
.navlink:hover{background:var(--lgray);color:var(--ink);text-decoration:none}
.navlink.is-active{background:var(--red);color:#fff}
.navlink svg{flex:0 0 auto;opacity:.85}
.side__foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}

.main{padding:30px clamp(20px,3.4vw,44px) 80px;min-width:0}
.page-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-bottom:26px;
}

/* ----------------------------------------------------------------- card -- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;margin-bottom:16px;
}
.card__head{margin-bottom:16px}
.grid{display:grid;gap:16px}
.g-2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g-3{grid-template-columns:repeat(auto-fill,minmax(215px,1fr))}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}

/* ---------------------------------------------------------------- forms -- */
.field{display:block;margin-bottom:15px}
.field > span{
  display:block;font-size:.8rem;font-weight:600;color:var(--ink-2);margin-bottom:5px;
}
input[type=text],input[type=password],input[type=email],input[type=url],
input[type=number],input[type=date],textarea,select{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg);color:var(--ink);font-family:inherit;font-size:.9rem;
}
textarea{min-height:82px;resize:vertical;line-height:1.55}
input:focus,textarea:focus,select:focus{
  outline:2px solid var(--red);outline-offset:-1px;border-color:transparent;
}
input[type=color]{
  width:46px;height:34px;padding:2px;border:1px solid var(--line);
  border-radius:var(--r-sm);background:var(--bg);cursor:pointer;
}
input[type=range]{width:100%;accent-color:var(--red)}
label.check{display:flex;align-items:center;gap:8px;font-size:.88rem;cursor:pointer}
label.check input{width:auto}

.btn{
  display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border:0;
  border-radius:var(--r-sm);background:var(--red);color:#fff;font-family:inherit;
  font-size:.88rem;font-weight:600;cursor:pointer;
}
.btn:hover{background:#d4141c;text-decoration:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{background:var(--lgray)}
.btn--sm{padding:6px 11px;font-size:.8rem}
.btn--danger{background:transparent;color:var(--red);border:1px solid var(--line)}
.btn--danger:hover{background:var(--red);color:#fff}

/* --------------------------------------------------------------- pieces -- */
.tag{
  display:inline-block;padding:2px 8px;border-radius:99px;background:var(--lgray);
  color:var(--ink-2);font-size:.7rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.05em;
}
.tag--red{background:var(--red);color:#fff}
.note{
  border-left:3px solid var(--red);background:var(--lgray);padding:11px 14px;
  border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:.85rem;color:var(--ink-2);
  margin-bottom:16px;
}
.item{
  display:flex;gap:14px;align-items:center;padding:13px 15px;border:1px solid var(--line);
  border-radius:var(--r-sm);background:var(--bg);margin-bottom:9px;
}
.item__body{flex:1;min-width:0}
.item__title{font-weight:600;font-size:.93rem;overflow-wrap:anywhere}
.thumb{
  width:62px;height:62px;flex:0 0 auto;border-radius:var(--r-sm);object-fit:cover;
  background:var(--lgray);border:1px solid var(--line);
}
.thumb--empty{display:grid;place-items:center;font-size:.6rem;color:var(--ink-3);text-align:center}
.slot{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--bg)}
.slot__img{
  aspect-ratio:16/9;background:var(--lgray) center/cover no-repeat;display:grid;
  place-items:center;color:var(--ink-3);font-size:.76rem;
}
.slot__body{padding:12px 14px}

/* Sticky save bar — the dashboard is long, so the save action follows you. */
.savebar{
  position:sticky;bottom:0;margin:22px -6px -6px;padding:13px 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  display:flex;gap:12px;align-items:center;justify-content:flex-end;
  box-shadow:var(--shadow);z-index:5;
}
.savebar__msg{margin-right:auto;font-size:.85rem;color:var(--ink-2)}
.savebar__msg.is-ok{color:var(--ok);font-weight:600}
.savebar__msg.is-err{color:var(--red);font-weight:600}

.toast{
  position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(120%);
  background:var(--navy);color:#fff;padding:11px 20px;border-radius:99px;
  font-size:.87rem;font-weight:600;box-shadow:var(--shadow);z-index:99;
  transition:transform .25s ease;pointer-events:none;max-width:90vw;
}
.toast.is-up{transform:translateX(-50%) translateY(0)}
.toast.is-err{background:var(--red)}

.spinner{
  width:15px;height:15px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  border-radius:50%;animation:spin .6s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.loading{display:grid;place-items:center;padding:70px;color:var(--ink-3)}

/* --------------------------------------------------------------- modal --- */
.modal{
  position:fixed;inset:0;background:rgba(14,24,38,.55);display:grid;place-items:center;
  padding:20px;z-index:50;overflow-y:auto;
}
.modal__box{
  background:var(--surface);border-radius:var(--r);width:100%;max-width:660px;
  padding:26px;box-shadow:var(--shadow);max-height:88dvh;overflow-y:auto;
}

/* Live type preview on the Design page. */
.preview{
  border:1px solid var(--line);border-radius:var(--r);padding:22px;background:var(--bg);
}
.preview h2{margin-bottom:8px}

@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{
    position:static;height:auto;flex-direction:row;flex-wrap:wrap;
    border-right:0;border-bottom:1px solid var(--line);
  }
  .side__brand{width:100%;padding-bottom:8px}
  .side__label{display:none}
  .navlink{width:auto}
  .side__foot{width:100%;border-top:0;padding-top:6px}
}