/* Shared design tokens + components (Calm Academic: forest, terracotta, sand) */
:root{
  --forest:#1f4d43;--forest-deep:#163a32;--forest-soft:#e3ebe4;
  --terra:#c8743a;--terra-deep:#b0612b;--terra-soft:#f6e3d3;
  --sand:#f3f1ea;--cream:#fffdf7;--white:#fff;
  --ink:#1d2b26;--muted:#5a6862;--line:#e2ddd0;
  --red:#b3412f;--red-soft:#f8e1dc;--blue:#2f5f8a;--blue-soft:#e0eaf4;--green:#2e7d4f;--green-soft:#dcefe2;
  --radius:14px;--shadow:0 18px 36px -18px rgba(29,43,38,.28);
  --serif:'DM Serif Display',Georgia,serif;--sans:'DM Sans',Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sand);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55}
a{color:var(--forest)}
a:hover{color:var(--terra)}
img{max-width:100%}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;color:var(--forest);line-height:1.2;margin:0 0 .5em}
h1{font-size:30px}h2{font-size:24px}h3{font-size:20px}h4{font-size:18px}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.small{font-size:13px}
.serif{font-family:var(--serif)}
.nowrap{white-space:nowrap}
.right{text-align:right}
.center{text-align:center}
.hide{display:none!important}
.mt0{margin-top:0}.mt1{margin-top:8px}.mt2{margin-top:16px}.mt3{margin-top:24px}
.mb0{margin-bottom:0}.mb2{margin-bottom:16px}
.ic{width:18px;height:18px;flex:0 0 18px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--forest);color:#fff;border:0;border-radius:10px;padding:10px 18px;font:700 14px var(--sans);text-decoration:none;cursor:pointer;transition:background .2s,transform .2s;line-height:1.2}
.btn:hover{background:var(--forest-deep);color:#fff}
.btn:active{transform:translateY(1px)}
.btn-terra{background:var(--terra)}.btn-terra:hover{background:var(--terra-deep)}
.btn-ghost{background:transparent;color:var(--forest);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover{background:var(--cream);color:var(--forest)}
.btn-danger{background:transparent;color:var(--red);box-shadow:inset 0 0 0 1.5px var(--red-soft)}
.btn-danger:hover{background:var(--red-soft);color:var(--red)}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn-lg{padding:14px 26px;font-size:15px}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}
.link-btn{background:none;border:0;padding:0;color:var(--forest);font:inherit;font-weight:700;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* Forms */
.field{margin-bottom:16px}
.field label,.label{display:block;font-weight:700;font-size:13px;margin-bottom:6px;color:var(--ink)}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:5px}
.field .err{font-size:12.5px;color:var(--red);margin-top:5px;font-weight:500}
input[type=text],input[type=email],input[type=tel],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=search],select,textarea{
  width:100%;font:15px var(--sans);color:var(--ink);background:var(--white);border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;transition:border-color .2s,box-shadow .2s}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--forest);box-shadow:0 0 0 3px rgba(31,77,67,.12)}
.has-err input,.has-err select,.has-err textarea{border-color:var(--red)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}
.check{display:flex;align-items:center;gap:8px;font-weight:500}
.form-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:8px}

/* Cards */
.card{background:var(--cream);border-radius:var(--radius);padding:22px;box-shadow:0 1px 0 rgba(29,43,38,.04)}
.card+.card{margin-top:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.card-head h2,.card-head h3{margin:0}

/* Tables */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{text-align:left;font-size:12px;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);font-weight:700;padding:10px 12px;border-bottom:1.5px solid var(--line);white-space:nowrap}
.table td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:rgba(227,235,228,.35)}
.table .num{text-align:right;font-variant-numeric:tabular-nums}

/* Badges & flashes */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.badge-green{background:var(--green-soft);color:var(--green)}
.badge-terra{background:var(--terra-soft);color:var(--terra-deep)}
.badge-blue{background:var(--blue-soft);color:var(--blue)}
.badge-red{background:var(--red-soft);color:var(--red)}
.badge-grey{background:#ebe8df;color:var(--muted)}
.flash{border-radius:10px;padding:12px 16px;margin-bottom:16px;font-weight:500}
.flash-ok{background:var(--green-soft);color:#1d5434}
.flash-error{background:var(--red-soft);color:#7d2a1d}
.empty{text-align:center;color:var(--muted);padding:28px 12px}

/* Avatar */
.avatar{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:var(--forest);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.avatar.terra{background:var(--terra)}

@media(max-width:700px){
  .grid2,.grid3{grid-template-columns:1fr}
  h1{font-size:26px}
}