:root{--red:#d30000;--black:#111;--gray:#f3f4f6;}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--gray);color:#111}
.header{background:#000;color:#fff;padding:14px 18px;border-bottom:4px solid var(--red)}
.header .row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{font-weight:800;letter-spacing:.08em}
.nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.container{max-width:980px;margin:18px auto;padding:0 14px}
.card{background:#fff;border-radius:14px;padding:18px;box-shadow:0 6px 18px rgba(0,0,0,.08)}
h1{margin:0 0 10px 0;font-size:22px}
.small{color:#555;margin:0 0 14px 0}
label{display:block;font-weight:600;margin:10px 0 6px}
input,select{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:10px;font-size:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:720px){.grid2{grid-template-columns:1fr}}
.btn{display:inline-block;border:1px solid #ddd;background:#fff;color:#111;border-radius:10px;padding:10px 12px;text-decoration:none;font-weight:600;cursor:pointer}
.btn.primary{background:var(--red);border-color:var(--red);color:#fff}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

textarea{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:10px;font-size:14px;min-height:100px;resize:vertical}

.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.notice{padding:10px 12px;border-radius:10px;margin:10px 0}
.notice.err{background:#ffe4e6;border:1px solid #fecdd3}
.notice.ok{background:#dcfce7;border:1px solid #bbf7d0}
.table{width:100%;border-collapse:collapse;margin-top:12px}
.table th,.table td{padding:10px;border-bottom:1px solid #eee;text-align:left;font-size:14px}
.hint{margin-top:6px;color:#555;font-size:12px}
.checkbox{display:flex;gap:10px;align-items:flex-start;margin-top:10px;font-weight:500}
.checkbox input{width:auto;margin-top:3px}
.checkbox.important{border:1px solid #ddd;border-left:4px solid var(--red);padding:10px;border-radius:10px;background:#fff}
.inline{display:inline}

.brand{font-weight:900;letter-spacing:.06em;text-transform:uppercase}
.brand-main{color:var(--red);letter-spacing:.22em}
.brand-sub{letter-spacing:.10em;opacity:.95}
.brand-dot{color:var(--red);padding:0 10px;font-weight:900}

/* Datepicker */
.dp-wrap{position:relative}
.dp-pop{position:absolute;top:74px;left:0;z-index:50;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12);padding:12px;min-width:320px;max-width:calc(100vw - 40px);display:none}
.dp-pop.open{display:block}
.dp-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.dp-head .m{font-weight:800}
.dp-btn{border:1px solid #e5e7eb;background:#fff;border-radius:10px;padding:6px 10px;cursor:pointer;font-weight:700}
.dp-grid{display:grid;grid-template-columns:44px repeat(7, 1fr);gap:6px;align-items:center}
.dp-cell{padding:8px 0;border-radius:10px;text-align:center;cursor:pointer;border:1px solid transparent}
.dp-cell:hover{border-color:#ddd}
.dp-dow{font-size:12px;color:#666;font-weight:700;cursor:default}
.dp-week{font-size:12px;color:#666;font-weight:800;cursor:default}
.dp-day.muted{color:#bbb;cursor:default}
.dp-day.sel{background:var(--red);color:#fff;font-weight:800}
.dp-day.today{border-color:var(--red)}

/* Responsive tweaks (mobile/tablet) */
@media(max-width:520px){
  .header{padding:12px 12px}
  .brand{font-size:13px}
  .container{margin:12px auto}
  .card{padding:14px}
  h1{font-size:20px}
  .btn{padding:10px 12px}
  .actions .btn{width:100%;text-align:center}
  .dp-pop{min-width:0;max-width:calc(100vw - 28px)}
  .dp-grid{grid-template-columns:40px repeat(7, 1fr)}
  .dp-cell{padding:7px 0}
}

.brand-buys{font-weight:900;text-transform:uppercase}
.brand-main{letter-spacing:.30em}
.brand-sub{letter-spacing:.14em;font-weight:800}
.brand-dot{color:var(--red);font-weight:900}

.pill{
  display:inline-flex;
  align-items:center;
  padding:8px 10px;
  border:1px solid #d7d7d7;
  border-radius:999px;
  font-weight:700;
  font-size:12px;
  background:#f5f5f5;
}
button[disabled]{opacity:.5; cursor:not-allowed}

@media (max-width: 560px){
  .header{padding:12px 14px}
  .container{margin:12px auto}
  .card{padding:14px}
  h1{font-size:20px}
  .btn{width:100%}
  .actions .btn{width:auto}
  .nav .btn{width:auto}
  .table th,.table td{font-size:13px}
  /* datepicker: keep open and scrollable on small screens */
  .dp-pop{left:0;right:auto}
  .dp-grid{min-width:460px}
  .dp-pop{overflow-x:auto}
}