/* =====================================================================
   50th AISC registration - KIIT green theme
   ===================================================================== */

:root{
  /* Lighter, fresher green - closer to the brightness of the KIIT mark.
     --green-700 is the darkest tone that carries white text at AA
     (5.4:1), so buttons, the nav strip and table headers use it. */
  --green-900:#063f22;
  --green-800:#085c32;
  --green-700:#0b7a42;      /* brand green - anything with white text on it */
  --green-600:#13a057;
  --green-500:#2ebd6f;
  --green-100:#e6f7ed;
  --green-050:#f4fcf7;

  --gold:#f0a500;
  --red:#c02626;
  --red-bg:#fdecec;
  --amber-bg:#fff6e0;
  --blue:#1a56a8;

  --ink:#15241d;
  --ink-2:#4a5d54;
  --ink-3:#66786f;          /* muted text - 4.7:1 on white, passes AA */
  --line:#dde7e1;
  --card:#ffffff;
  --bg:#f1f6f3;

  --r:12px;
  --shadow:0 1px 2px rgba(3,48,26,.06), 0 6px 20px rgba(3,48,26,.07);
  --shadow-lg:0 10px 40px rgba(3,48,26,.13);
}

*{box-sizing:border-box}
/* .field / .fee-row set display:flex, which would otherwise beat the
   browser's [hidden]{display:none}. Keep the attribute authoritative. */
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:15px/1.55 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
}
a{color:var(--green-700)}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em}

/* ---------- masthead ------------------------------------------------
   White banner: logo - centred titles - logo, over a green nav strip.
   -------------------------------------------------------------------- */
.masthead{background:#fff;box-shadow:var(--shadow)}
.masthead-in{
  max-width:1080px;margin:0 auto;
  padding:18px 20px 16px;
  display:flex;align-items:center;gap:22px;
}
/* Fixed height, free width: square emblems and wide wordmark logos
   both sit correctly in the lockup. */
.crest{
  height:58px;width:auto;max-width:130px;
  flex:none;object-fit:contain;
}
.masthead-text{flex:1;text-align:center;min-width:0}
.masthead-text h1{
  font-size:21px;line-height:1.25;color:var(--green-800);
  font-weight:800;letter-spacing:-.015em;
}
.masthead-text p{
  margin:5px 0 0;font-size:13px;color:var(--ink-3);font-weight:500;
}

.masthead-bar{
  background:linear-gradient(90deg,var(--green-800),var(--green-700) 45%,var(--green-600));
}
.masthead-bar-in{
  max-width:1080px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;gap:14px;
  min-height:42px;flex-wrap:wrap;
}
.tagline{
  color:#fff;font-size:12.5px;font-weight:600;
  text-transform:uppercase;letter-spacing:.8px;opacity:.95;
}
.masthead-bar nav{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.masthead-bar nav a{
  color:#fff;text-decoration:none;font-size:13px;font-weight:600;
  padding:5px 13px;border-radius:7px;border:1px solid rgba(255,255,255,.4);
}
.masthead-bar nav a:hover{background:rgba(255,255,255,.16)}

@media(max-width:640px){
  .masthead-in{gap:12px;padding:14px 14px 12px}
  .crest{height:40px;max-width:84px}
  .masthead-text h1{font-size:15.5px}
  .masthead-text p{font-size:11.5px;margin-top:3px}
  .masthead-bar-in{padding:7px 14px;min-height:0}
  .tagline{font-size:11px;letter-spacing:.5px}
  .masthead-bar nav{margin-left:auto}
  .masthead-bar nav a{font-size:12px;padding:4px 10px}
}
@media(max-width:400px){
  .tagline{display:none}
  .masthead-bar nav{margin:0 auto}
}

/* ---------- layout -------------------------------------------------- */
.wrap{max-width:1080px;margin:0 auto;padding:22px 16px 60px}
.wrap-narrow{max-width:760px}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--shadow);
  padding:24px;margin-bottom:18px;
}
.card-pad-0{padding:0;overflow:hidden}

/* ---------- stepper ------------------------------------------------- */
.steps{
  display:flex;gap:6px;margin:0 0 20px;padding:0;list-style:none;flex-wrap:wrap;
}
.steps li{
  flex:1 1 180px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:11px 14px;font-size:13.5px;font-weight:600;color:var(--ink-3);
}
.steps .n{
  width:25px;height:25px;flex:none;border-radius:50%;
  background:var(--line);color:#fff;display:grid;place-items:center;
  font-size:12.5px;font-weight:700;
}
.steps li.done{border-color:var(--green-100);background:var(--green-050);color:var(--green-700)}
.steps li.done .n{background:var(--green-500)}
.steps li.active{border-color:var(--green-600);color:var(--green-800);box-shadow:0 0 0 2px var(--green-100)}
.steps li.active .n{background:var(--green-700)}

/* ---------- form ---------------------------------------------------- */
.sec-title{
  font-size:15px;color:var(--green-800);font-weight:700;
  padding-bottom:9px;margin-bottom:18px;border-bottom:2px solid var(--green-100);
  display:flex;align-items:center;gap:8px;
}
.sec-title small{font-weight:500;color:var(--ink-3);font-size:12.5px}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px 18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.col-span{grid-column:1/-1}
@media(max-width:720px){
  .grid,.grid-3{grid-template-columns:1fr}
}

.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-size:13.2px;font-weight:600;color:var(--ink-2)}
.req{color:var(--red);font-weight:700;margin-left:2px}
.opt{color:var(--ink-3);font-weight:500;font-size:11.5px;margin-left:4px}

.field input,.field select,.field textarea{
  font:inherit;font-size:14.5px;color:var(--ink);
  border:1.5px solid var(--line);border-radius:9px;
  padding:10px 12px;background:#fff;width:100%;
  transition:border-color .15s,box-shadow .15s;
}
.field textarea{resize:vertical;min-height:74px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green-600);
  box-shadow:0 0 0 3px var(--green-100);
}
.field input::placeholder,.field textarea::placeholder{color:#b3c0ba}
.hint{font-size:11.8px;color:var(--ink-3)}

.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--red);background:var(--red-bg);
}

/* ---------- password field with show/hide eye ----------------------- */
.pw{position:relative;display:flex}
.pw input{padding-right:46px}
.eye{
  position:absolute;right:4px;top:0;bottom:0;width:40px;
  display:grid;place-items:center;cursor:pointer;
  background:none;border:0;padding:0;color:var(--ink-3);border-radius:8px;
}
.eye:hover{color:var(--green-700)}
.eye:focus-visible{outline:2px solid var(--green-600);outline-offset:-2px}
.eye svg{width:20px;height:20px;display:block;pointer-events:none}
.eye .ic-off{display:none}
.eye[aria-pressed="true"] .ic-on{display:none}
.eye[aria-pressed="true"] .ic-off{display:block}
.err-msg{
  font-size:12.2px;color:var(--red);font-weight:600;
  display:flex;align-items:center;gap:5px;
}
.err-msg::before{
  content:"!";
  width:14px;height:14px;flex:none;border-radius:50%;
  background:var(--red);color:#fff;
  font-size:10px;font-weight:800;display:grid;place-items:center;
}

/* ---------- alerts -------------------------------------------------- */
.alert{
  border-radius:10px;padding:13px 16px;margin-bottom:18px;
  font-size:13.8px;border:1px solid;
}
.alert-err{background:var(--red-bg);border-color:#f0bcbc;color:#8d1c1c}
.alert-ok{background:var(--green-050);border-color:#b9e0cb;color:var(--green-800)}
.alert-info{background:#eef4fc;border-color:#c3d8f2;color:#17427d}
.alert-warn{background:var(--amber-bg);border-color:#f2d99a;color:#8a6100}
.alert b{display:block;margin-bottom:5px;font-size:14px}
.alert ul{margin:6px 0 0;padding-left:20px}
.alert li{margin:2px 0}

/* ---------- buttons ------------------------------------------------- */
.btn{
  font:inherit;font-size:14.5px;font-weight:650;cursor:pointer;
  border:1.5px solid transparent;border-radius:9px;padding:11px 24px;
  display:inline-flex;align-items:center;gap:8px;text-decoration:none;
  transition:background .15s,box-shadow .15s,transform .06s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green-700);color:#fff;box-shadow:0 2px 8px rgba(0,104,56,.28)}
.btn-primary:hover{background:var(--green-800)}
.btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-3);color:var(--ink)}
.btn-danger{background:var(--red);color:#fff}
.btn-sm{padding:7px 14px;font-size:13px}
.btn-block{width:100%;justify-content:center}
.actions{
  display:flex;gap:12px;justify-content:space-between;
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line);
}
@media(max-width:520px){
  .actions{flex-direction:column-reverse}
  .actions .btn{width:100%;justify-content:center}
}

/* ---------- key/value panels ---------------------------------------- */
.kv{width:100%;border-collapse:collapse;font-size:14px}
.kv th,.kv td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.kv th{width:42%;color:var(--ink-2);font-weight:600;background:var(--green-050)}
.kv tr:last-child th,.kv tr:last-child td{border-bottom:none}
.kv td.mono{font-family:"Consolas",ui-monospace,monospace;font-weight:600;letter-spacing:.3px}

/* ---------- file upload --------------------------------------------- */
.drop{
  border:2px dashed #b9d8c7;border-radius:11px;background:var(--green-050);
  padding:26px 18px;text-align:center;cursor:pointer;transition:.15s;
}
.drop:hover{border-color:var(--green-600);background:#e9f6ef}
.drop .big{font-size:15px;font-weight:700;color:var(--green-800);margin-bottom:4px}
.drop .small{font-size:12.5px;color:var(--ink-3)}
.drop input[type=file]{display:none}
.drop.filled{border-style:solid;border-color:var(--green-600);background:#e3f3ea}
.field.has-error .drop{border-color:var(--red);background:var(--red-bg)}

/* ---------- admin --------------------------------------------------- */
.login-wrap{max-width:400px;margin:8vh auto;padding:0 16px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:18px}
.stat{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--green-600);
  border-radius:10px;padding:15px 17px;box-shadow:var(--shadow);
}
.stat .v{font-size:27px;font-weight:800;color:var(--green-800);line-height:1.1}
.stat .k{font-size:12.3px;color:var(--ink-3);margin-top:3px;text-transform:uppercase;letter-spacing:.4px}
.stat.amber{border-left-color:var(--gold)}
.stat.red{border-left-color:var(--red)}
.stat.blue{border-left-color:var(--blue)}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar input,.toolbar select{
  font:inherit;font-size:14px;padding:9px 12px;
  border:1.5px solid var(--line);border-radius:9px;background:#fff;
}
.toolbar input:focus,.toolbar select:focus{outline:none;border-color:var(--green-600)}
.toolbar .grow{flex:1;min-width:180px}

.table-scroll{overflow-x:auto;border-radius:var(--r);border:1px solid var(--line);background:#fff}
table.data{width:100%;border-collapse:collapse;font-size:13.6px;min-width:820px}
table.data th{
  background:var(--green-700);color:#fff;text-align:left;
  padding:11px 13px;font-weight:600;font-size:12.5px;
  text-transform:uppercase;letter-spacing:.4px;white-space:nowrap;
}
table.data td{padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:middle}
table.data tr:last-child td{border-bottom:none}
table.data tbody tr:hover{background:var(--green-050)}
.empty{padding:44px 20px;text-align:center;color:var(--ink-3);font-size:14.5px}

/* Below 780px the table stops scrolling sideways and each row becomes
   its own card, with the column name shown beside every value. */
@media(max-width:780px){
  .table-scroll{overflow-x:visible;border:none;background:none}
  table.data{min-width:0;display:block}
  table.data thead{display:none}
  table.data tbody,table.data tr,table.data td{display:block;width:auto}
  table.data tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r);
    box-shadow:var(--shadow);padding:6px 14px 12px;margin-bottom:12px;
  }
  table.data tbody tr:hover{background:#fff}
  table.data td{
    border-bottom:1px solid var(--line);padding:9px 0;
    display:flex;justify-content:space-between;align-items:baseline;gap:14px;
    text-align:right;font-size:13.8px;
  }
  table.data td:last-child{border-bottom:none;padding-bottom:0}
  table.data td::before{
    content:attr(data-label);
    font-size:11.6px;font-weight:700;color:var(--ink-3);
    text-transform:uppercase;letter-spacing:.4px;
    text-align:left;flex:none;padding-top:2px;
  }
  table.data td.cell-actions{justify-content:flex-end;padding-top:12px}
  table.data td.cell-actions::before{content:none}
  table.data td.cell-actions .btn{width:100%;justify-content:center}
  .empty{background:#fff;border:1px solid var(--line);border-radius:var(--r)}
}

.proof-view{max-width:100%;border:1px solid var(--line);border-radius:10px}

/* ---------- pagination ---------------------------------------------- */
.pager{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;margin-top:18px;
}
.pager-info{font-size:13px;color:var(--ink-3)}
.pager-info b{color:var(--ink-2);font-weight:700}
.pager-links{display:flex;gap:5px;flex-wrap:wrap}
.pager-links a,.pager-links span{
  min-width:37px;height:37px;padding:0 11px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:9px;background:#fff;
  font-size:13.5px;font-weight:600;color:var(--ink-2);text-decoration:none;
  transition:border-color .15s,color .15s,background .15s;
}
.pager-links a:hover{border-color:var(--green-600);color:var(--green-700);background:var(--green-050)}
.pager-links .current{
  background:var(--green-700);border-color:var(--green-700);color:#fff;cursor:default;
}
.pager-links .gap{border-color:transparent;background:none;color:var(--ink-3);min-width:22px;padding:0}
.pager-links .disabled{opacity:.4;pointer-events:none}

@media(max-width:560px){
  .pager{flex-direction:column;align-items:stretch;gap:10px}
  .pager-info{text-align:center;order:2}
  .pager-links{order:1;justify-content:center}
}

/* ---------- misc ---------------------------------------------------- */
.muted{color:var(--ink-3);font-size:13px}
.center{text-align:center}
.tick{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  background:var(--green-100);color:var(--green-700);
  display:grid;place-items:center;font-size:33px;font-weight:800;
}
.regno{
  font-family:"Consolas",ui-monospace,monospace;font-size:25px;font-weight:800;
  color:var(--green-800);letter-spacing:1.5px;
  background:var(--green-050);border:1.5px dashed var(--green-600);
  border-radius:10px;padding:13px 20px;display:inline-block;margin:6px 0 14px;
}
.foot{text-align:center;color:var(--ink-3);font-size:12.5px;padding:18px 16px 0}

@media print{
  .topbar,.actions,.btn,.foot,.steps{display:none!important}
  body{background:#fff}
  .card{box-shadow:none;border-color:#ccc}
}