:root{
  --ink:#111;
  --muted:#444;
  --line:#000;
  --bg:#fff;
  --accent:#0b63ce;
  --danger:#b00020;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  color:var(--ink);
  background:#f4f6f8;
}

a{color:inherit}

.page{
  max-width: 920px;
  margin: 18px auto;
  padding: 0 12px 24px 12px;
}
.page--wide{
  max-width: 1200px;
}

.topbar{
  background:#0f172a;
  color:#fff;
  padding:10px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.topbar__brand{
  font-weight:700;
  letter-spacing:.3px;
  font-size:13.5px;
}
.topbar__links{
  display:flex;
  gap:10px;
  align-items:center;
}
.topbar__link{
  color:#fff;
  text-decoration:none;
  font-size:12.5px;
  padding:6px 8px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:6px;
}
.topbar__btn{
  background:#fff;
  color:#0f172a;
  border:none;
  padding:6px 10px;
  border-radius:6px;
  cursor:pointer;
  font-weight:700;
  font-size:12px;
}

.header{
  background:var(--bg);
  border:2px solid var(--line);
  border-bottom:none;
  display:grid;
  grid-template-columns: 1fr 220px 1fr;
  gap:14px;
  padding:12px 12px 8px 12px;
  align-items:start;
}

.header__title{
  font-weight:700;
  font-size:18px;
  letter-spacing:.2px;
}

.header__small{
  font-size:11.5px;
  line-height:1.25;
  color:var(--muted);
}

.header__logo{
  display:flex;
  align-items:center;
  justify-content:center;
  padding-top:6px;
}
.header__logo img{width:200px;height:auto}
.header__col--right{text-align:right}

.intro{
  background:var(--bg);
  border:2px solid var(--line);
  border-top:none;
  border-bottom:none;
  padding:10px 12px 10px 12px;
}
.intro__grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.intro__col--right{
  border-left:1px solid rgba(0,0,0,.35);
  padding-left:14px;
}
.intro__list{
  margin:0;
  padding-left:16px;
  font-size:11.5px;
  line-height:1.25;
  color:var(--muted);
}
.intro__list li + li{margin-top:4px}

.sheet{
  background:var(--bg);
  border:2px solid var(--line);
  padding:0;
}
.sheet__title{
  font-weight:700;
  text-align:center;
  padding:10px 12px;
  border-bottom:2px solid var(--line);
  letter-spacing:.3px;
}

.grid{width:100%}

.row{
  display:grid;
  grid-template-columns: 44% 56%;
}
.row--full{grid-template-columns:1fr}
.row--section{
  background:#f2f2f2;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.grid .row--section:first-child{border-top:none}

.cell{
  padding:6px 10px;
  min-height:32px;
}
.cell--label{border-right:none; font-size:12.2px; line-height:1.25}
.cell--field{font-size:12.2px; padding-left:14px}
.cell--field--inline{display:flex; align-items:center; gap:8px}

.req{color:var(--danger); font-weight:700}

input{
  width:100%;
  font:inherit;
  border:0;
  border-bottom:1px solid rgba(0,0,0,.45);
  padding:3px 2px 2px 2px;
  border-radius:0;
  background:transparent;
}
textarea{
  width:100%;
  font:inherit;
  border:1px solid rgba(0,0,0,.45);
  padding:6px 8px;
  border-radius:0;
  background:transparent;
  resize:vertical;
}
.row--full textarea{min-height:84px}
input:focus, textarea:focus{
  outline:2px solid rgba(11,99,206,.18);
  border-color:var(--accent);
}
input.is-invalid{border-bottom-color:var(--danger); outline:2px solid rgba(176,0,32,.18)}
textarea.is-invalid{border-color:var(--danger); outline:2px solid rgba(176,0,32,.18)}

.inline{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
.inline label{display:flex; gap:6px; align-items:center; font-size:12.5px}

.unit{color:#333; white-space:nowrap}
.w-90{max-width:90px}
.w-120{max-width:120px}
.w-160{max-width:160px}
.w-240{max-width:240px}

.checks{display:flex; flex-direction:column; gap:6px}
.checks label{display:flex; gap:8px; align-items:flex-start}
.checks input[type="checkbox"]{width:auto; margin-top:2px; border:1px solid rgba(0,0,0,.55)}
.checks input[type="radio"]{width:auto; margin-top:2px; border:1px solid rgba(0,0,0,.55)}
.checks--inline{flex-direction:row; flex-wrap:wrap; gap:14px}

.is-hidden{display:none !important}

.subgrid{
  border:1px solid var(--line);
}
.subgrid__row{
  display:grid;
  grid-template-columns: 1fr 1fr;
}
.subgrid__row + .subgrid__row{border-top:1px solid var(--line)}
.subgrid__cell{padding:8px}
.subgrid__cell--label{border-right:none; font-size:12px; color:#222}

.actions{
  border-top:2px solid var(--line);
  padding:12px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
}
.send-status{
  font-size:12.5px;
  color:var(--muted);
  margin-right:8px;
}
.btn{
  appearance:none;
  border:1px solid #0b63ce;
  background:var(--accent);
  color:#fff;
  padding:10px 14px;
  font-weight:700;
  border-radius:4px;
  cursor:pointer;
}
.btn:disabled{opacity:.65; cursor:not-allowed}
.btn--secondary{
  background:#fff;
  color:#0b63ce;
}

.note{
  border-top:1px solid var(--line);
  padding:10px 12px;
  font-size:12px;
  color:#222;
}

.toast{
  position:fixed;
  left:50%;
  bottom:16px;
  transform:translateX(-50%);
  background:#111;
  color:#fff;
  padding:10px 12px;
  border-radius:8px;
  font-size:13px;
  max-width:min(560px, calc(100vw - 24px));
  opacity:0;
  pointer-events:none;
  transition:opacity .15s ease;
}
.toast.is-visible{opacity:1}

.panel{
  background:#fff;
  border:2px solid var(--line);
  padding:14px 14px 16px 14px;
  margin-bottom:16px;
}
.panel__header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.panel__title{
  margin:0;
  font-size:18px;
}
.panel__subtitle{
  margin:4px 0 0 0;
  color:var(--muted);
  font-size:12.5px;
}
.panel__actions{
  display:flex;
  gap:8px;
  align-items:center;
  flex-wrap:wrap;
}

.input{
  border:1px solid rgba(0,0,0,.35);
  padding:7px 8px;
  font:inherit;
  border-radius:6px;
  min-width:200px;
}
.input--sm{
  min-width:120px;
  padding:6px 6px;
  font-size:12.5px;
}

.table-wrap{
  overflow:auto;
  border:1px solid rgba(0,0,0,.15);
  margin-top:12px;
}
.table{
  width:100%;
  border-collapse:collapse;
  font-size:12.5px;
}
.table th,
.table td{
  border-bottom:1px solid rgba(0,0,0,.08);
  padding:8px 10px;
  text-align:left;
  vertical-align:top;
}
.table tbody tr:hover{
  background:#f6f7f9;
  cursor:pointer;
}

.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  margin-top:12px;
}
.pager__info{
  font-size:12.5px;
  color:var(--muted);
}

.tag{
  display:inline-flex;
  align-items:center;
  padding:2px 6px;
  border-radius:999px;
  font-size:11px;
  background:#e2e8f0;
  color:#1f2937;
}
.tag--sent{background:#dcfce7;color:#166534}
.tag--failed{background:#fee2e2;color:#991b1b}
.tag--pending{background:#e0e7ff;color:#3730a3}

.detail{
  border-top:1px solid rgba(0,0,0,.1);
  margin-top:12px;
  padding-top:12px;
}
.detail__meta{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap:10px;
  font-size:12.5px;
  margin-bottom:12px;
}
.detail__list{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.detail__row{
  display:grid;
  grid-template-columns: 38% 62%;
  border:1px solid rgba(0,0,0,.08);
}
.detail__key{
  background:#f3f4f6;
  padding:8px;
  font-size:12.5px;
}
.detail__value{
  padding:8px;
  font-size:12.5px;
}

.form-inline{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin:10px 0 6px 0;
}

.btn--sm{
  padding:6px 10px;
  font-size:12px;
}

.login{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.login__card{
  width:min(440px, 94vw);
  background:#fff;
  border:2px solid var(--line);
  padding:22px 22px 18px 22px;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
}
.login__brand{
  display:flex;
  justify-content:center;
  margin-bottom:10px;
}
.login__brand img{width:180px;height:auto}
.login__title{
  margin:6px 0 4px 0;
  font-size:20px;
  text-align:center;
}
.login__subtitle{
  margin:0 0 14px 0;
  text-align:center;
  font-size:12.5px;
  color:var(--muted);
}
.login__form{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.login__label{
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:12.5px;
}
.login__label input{
  border:1px solid rgba(0,0,0,.35);
  padding:7px 8px;
}
.login__btn{width:100%}
.login__error{
  min-height:18px;
  font-size:12.5px;
  color:var(--danger);
  text-align:center;
}

@media (max-width: 860px){
  .header{grid-template-columns: 1fr; text-align:left}
  .header__col--right{text-align:left}
  .header__logo{justify-content:flex-start}
  .row{grid-template-columns: 1fr}
  .cell--label{border-right:none; border-bottom:1px solid var(--line)}
  .intro__grid{grid-template-columns:1fr}
  .intro__col--right{border-left:none; padding-left:0; border-top:1px solid rgba(0,0,0,.35); padding-top:10px}
  .panel__header{flex-direction:column; align-items:flex-start}
  .topbar{flex-direction:column; align-items:flex-start}
}

@media print{
  body{background:#fff}
  .page{max-width:none; margin:0; padding:0}
  .actions, .toast, .topbar{display:none !important}
  input{border-bottom:1px solid #000}
  textarea{border:1px solid #000}
  a{text-decoration:none}
}