/* Qalam Exam Builder — interface styles.
   Written by hand rather than generated so the deployment needs no build step.
   The palette is Qalam green on a neutral ground; the audience is professional
   teachers, so the interface stays flat, dense and quiet. */

:root {
  --green-900:#0f3d2e; --green-700:#166149; --green-600:#1a7a5a; --green-100:#e6f2ee; --green-50:#f2f8f6;
  --ink-900:#14181f; --ink-700:#39404d; --ink-500:#6b7480; --ink-300:#aab2bd; --ink-100:#e4e8ed;
  --paper:#ffffff; --ground:#f6f7f9;
  --amber:#b4690e; --amber-bg:#fdf5e7; --red:#a32b23; --red-bg:#fbeceb; --blue:#1f5b8f; --blue-bg:#eef4fa;
  --radius:6px; --shadow:0 1px 2px rgba(20,24,31,.06), 0 1px 3px rgba(20,24,31,.04);
}

*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink-900);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--green-700);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5rem;line-height:1.25;font-weight:650}
h1{font-size:1.5rem} h2{font-size:1.175rem} h3{font-size:1rem}
p{margin:0 0 .75rem}

/* Shell */
.shell{display:flex;min-height:100vh}
.sidebar{width:232px;flex:0 0 232px;background:var(--green-900);color:#cfe3db;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar .brand{padding:1.1rem 1.25rem;border-bottom:1px solid rgba(255,255,255,.09)}
.sidebar .brand strong{display:block;color:#fff;font-size:1.02rem;letter-spacing:-.01em}
.sidebar .brand span{font-size:.76rem;color:#8fb5a7}
.sidebar nav{padding:.75rem 0;flex:1;overflow-y:auto}
.sidebar nav a{display:flex;align-items:center;gap:.6rem;padding:.5rem 1.25rem;color:#cfe3db;font-size:.9rem;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.06);text-decoration:none;color:#fff}
.sidebar nav a.active{background:rgba(255,255,255,.1);border-left-color:#5fc9a0;color:#fff;font-weight:600}
.sidebar .group{padding:.9rem 1.25rem .3rem;font-size:.68rem;text-transform:uppercase;letter-spacing:.09em;color:#7ba394}
.sidebar .foot{padding:.9rem 1.25rem;border-top:1px solid rgba(255,255,255,.09);font-size:.8rem}
.sidebar .foot .who{color:#fff;font-weight:600}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--paper);border-bottom:1px solid var(--ink-100);padding:.85rem 1.75rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.content{padding:1.75rem;max-width:1180px;width:100%}

/* Cards & layout */
.card{background:var(--paper);border:1px solid var(--ink-100);border-radius:var(--radius);box-shadow:var(--shadow)}
.card + .card{margin-top:1.1rem}
.card-head{padding:.9rem 1.15rem;border-bottom:1px solid var(--ink-100);display:flex;justify-content:space-between;align-items:center;gap:1rem}
.card-head h2,.card-head h3{margin:0}
.card-body{padding:1.15rem}
.grid{display:grid;gap:1.1rem}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
  .sidebar{display:none}.content{padding:1rem}}

/* Metrics */
.metric{background:var(--paper);border:1px solid var(--ink-100);border-radius:var(--radius);padding:1rem 1.15rem}
.metric .n{font-size:1.65rem;font-weight:680;letter-spacing:-.02em;line-height:1.1}
.metric .l{font-size:.8rem;color:var(--ink-500);margin-top:.15rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .9rem;border-radius:var(--radius);border:1px solid var(--ink-300);
  background:var(--paper);color:var(--ink-900);font-size:.875rem;font-weight:550;cursor:pointer;text-decoration:none;line-height:1.3}
.btn:hover{background:var(--ground);text-decoration:none}
.btn-primary{background:var(--green-600);border-color:var(--green-600);color:#fff}
.btn-primary:hover{background:var(--green-700);border-color:var(--green-700)}
.btn-danger{color:var(--red);border-color:#e7c4c1}
.btn-danger:hover{background:var(--red-bg)}
.btn-sm{padding:.3rem .6rem;font-size:.8rem}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed}

/* Forms */
label{display:block;font-size:.83rem;font-weight:600;color:var(--ink-700);margin-bottom:.3rem}
input[type=text],input[type=password],input[type=number],input[type=email],input[type=date],
input[type=datetime-local],select,textarea{
  width:100%;padding:.5rem .65rem;border:1px solid var(--ink-300);border-radius:var(--radius);
  font:inherit;font-size:.9rem;background:var(--paper);color:var(--ink-900)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--green-600);outline-offset:-1px;border-color:var(--green-600)}
textarea{min-height:80px;resize:vertical}
.field{margin-bottom:1rem}
.hint{font-size:.78rem;color:var(--ink-500);margin-top:.25rem}
fieldset{border:1px solid var(--ink-100);border-radius:var(--radius);padding:.9rem;margin:0 0 1rem}
legend{font-size:.8rem;font-weight:650;color:var(--ink-700);padding:0 .35rem}
.check{display:flex;gap:.5rem;align-items:flex-start;font-weight:400;font-size:.88rem;margin-bottom:.4rem}
.check input{width:auto;margin-top:.2rem}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-500);
  padding:.6rem .8rem;border-bottom:1px solid var(--ink-100);font-weight:650;white-space:nowrap}
td{padding:.65rem .8rem;border-bottom:1px solid var(--ink-100);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--green-50)}
.table-wrap{overflow-x:auto}

/* Badges */
.badge{display:inline-block;padding:.13rem .5rem;border-radius:999px;font-size:.72rem;font-weight:650;
  background:var(--ink-100);color:var(--ink-700);white-space:nowrap}
.badge-green{background:var(--green-100);color:var(--green-700)}
.badge-amber{background:var(--amber-bg);color:var(--amber)}
.badge-red{background:var(--red-bg);color:var(--red)}
.badge-blue{background:var(--blue-bg);color:var(--blue)}

/* Notices */
.notice{padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1.1rem;font-size:.9rem;border:1px solid}
.notice-ok{background:var(--green-50);border-color:#bfe0d4;color:var(--green-900)}
.notice-warn{background:var(--amber-bg);border-color:#efd9ad;color:#7a4708}
.notice-err{background:var(--red-bg);border-color:#eec4c1;color:var(--red)}
.notice-info{background:var(--blue-bg);border-color:#c6dced;color:var(--blue)}

/* Empty states */
.empty{text-align:center;padding:2.75rem 1.5rem;color:var(--ink-500)}
.empty h3{color:var(--ink-700);margin-bottom:.35rem}
.empty p{max-width:38ch;margin:0 auto .9rem}

/* Questions */
.q{border:1px solid var(--ink-100);border-radius:var(--radius);margin-bottom:.9rem;background:var(--paper)}
.q-head{display:flex;justify-content:space-between;gap:1rem;padding:.7rem .95rem;background:var(--green-50);border-bottom:1px solid var(--ink-100);flex-wrap:wrap;align-items:center}
.q-meta{display:flex;gap:.4rem;flex-wrap:wrap;align-items:center}
.q-body{padding:.95rem}
.q-text{margin-bottom:.65rem;white-space:pre-wrap}
.choices{list-style:none;padding:0;margin:0}
.choices li{padding:.32rem 0 .32rem 1.6rem;position:relative}
.choices li .lab{position:absolute;left:0;font-weight:650;color:var(--ink-500)}
.choices li.correct{color:var(--green-700);font-weight:600}
.provenance{margin-top:.7rem;padding-top:.7rem;border-top:1px dashed var(--ink-100);font-size:.8rem;color:var(--ink-500)}
.provenance a{font-weight:600}

/* Progress */
.bar{height:8px;background:var(--ink-100);border-radius:999px;overflow:hidden}
.bar > span{display:block;height:100%;background:var(--green-600);transition:width .4s ease}

/* Misc */
.muted{color:var(--ink-500)}
.small{font-size:.82rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}
.stack > * + *{margin-top:.75rem}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.right{margin-left:auto}
.code-chip{display:inline-block;background:var(--green-900);color:#fff;padding:.35rem .8rem;border-radius:var(--radius);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.05rem;letter-spacing:.06em;font-weight:650}

/* Auth */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;
  background:linear-gradient(160deg,var(--green-900),#0a2a20)}
.auth .box{width:100%;max-width:390px;background:var(--paper);border-radius:8px;padding:1.9rem;box-shadow:0 12px 32px rgba(0,0,0,.22)}
.auth h1{font-size:1.25rem;margin-bottom:.2rem}
.auth .sub{color:var(--ink-500);font-size:.88rem;margin-bottom:1.4rem}