/* Student roster — palette + base come from /shared.css */

/* Program tabs */
.tabs{display:flex;gap:6px;overflow-x:auto;padding:4px 0 12px;-webkit-overflow-scrolling:touch;}
.tab{flex-shrink:0;border:0.5px solid var(--line);background:var(--card);color:var(--muted);
  border-radius:999px;padding:7px 14px;font-size:13.5px;font-weight:500;white-space:nowrap;}
.tab.active{background:var(--teal-soft);color:var(--teal-mid);border-color:var(--teal-mid);font-weight:600;}
.tab-count{font-size:11px;opacity:.8;margin-left:2px;}

/* Toolbar */
.stu-toolbar{display:flex;align-items:center;gap:8px;padding:0 0 14px;}
.search{flex:1;border:0.5px solid var(--line);border-radius:var(--radius-sm);
  padding:10px 12px;background:var(--card);color:var(--ink);}
.search:focus{outline:none;border-color:var(--teal-mid);}

/* List */
.stu-list{display:flex;flex-direction:column;gap:8px;padding-bottom:40px;}
.stu-row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;color:var(--ink);
  background:var(--card);border:0.5px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 13px;transition:border-color .12s,transform .06s;}
.stu-row:hover{border-color:var(--teal-mid);}
.stu-row:active{transform:scale(.995);}
.stu-avatar{width:40px;height:40px;min-width:40px;border-radius:50%;background:var(--teal-soft);
  color:var(--teal-mid);font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;}
.stu-body{display:flex;flex-direction:column;flex:1;min-width:0;}
.stu-name{font-size:15px;font-weight:600;word-break:break-word;}
.stu-meta{font-size:12.5px;color:var(--muted);}
.stu-flag{font-size:14px;flex-shrink:0;}
.stu-arrow{color:var(--hint);font-size:18px;flex-shrink:0;}

/* Empty / loading */
.empty{text-align:center;color:var(--muted);padding:40px 20px;}
.empty-icon{font-size:34px;display:block;margin-bottom:10px;}
.empty p{margin:0;font-size:14px;}
.loading{text-align:center;color:var(--hint);font-size:13px;padding:20px;display:none;}

/* Detail overlay */
.detail-overlay{position:fixed;inset:0;background:var(--sand);z-index:60;overflow-y:auto;
  max-width:620px;margin:0 auto;padding:0 14px calc(40px + env(safe-area-inset-bottom));}
.detail-topbar{position:sticky;top:0;background:var(--sand);display:flex;align-items:center;gap:10px;
  padding:14px 0 12px;box-shadow:0 4px 10px -6px rgba(27,77,74,0.12);}
.detail-title{flex:1;margin:0;font-family:'Fredoka',sans-serif;font-weight:500;font-size:20px;color:var(--teal);word-break:break-word;}
.detail-body{padding-top:14px;display:flex;flex-direction:column;gap:2px;}
.d-row{display:flex;flex-direction:column;gap:1px;background:var(--card);border:0.5px solid var(--line);
  border-radius:var(--radius-sm);padding:10px 13px;margin-bottom:7px;}
.d-label{font-size:11px;font-weight:600;color:var(--hint);letter-spacing:.04em;text-transform:uppercase;}
.d-value{font-size:14.5px;color:var(--ink);white-space:pre-wrap;word-break:break-word;}
.d-alert{background:#FBEDEA;border-color:rgba(192,57,43,0.35);}
.d-alert .d-label{color:#C0392B;}

/* Day chips */
.day-chips{display:flex;flex-wrap:wrap;gap:5px;}
.day-chip{border:0.5px solid var(--line);background:var(--sand);color:var(--muted);
  border-radius:8px;padding:7px 0;font-size:12px;font-weight:600;min-width:40px;text-align:center;}
.day-chip.active{background:var(--teal-soft);color:var(--teal-mid);border-color:var(--teal-mid);}

.link-btn{background:none;border:none;color:var(--teal-mid);font-size:14px;cursor:pointer;padding:4px;}

/* Modal form */
.modal{position:fixed;inset:0;background:rgba(20,30,28,0.45);display:flex;align-items:flex-end;
  justify-content:center;z-index:50;padding:0;}
.modal-card{background:var(--card);width:100%;max-width:620px;border-radius:18px 18px 0 0;
  padding:20px 18px calc(20px + env(safe-area-inset-bottom));max-height:92vh;max-height:92dvh;overflow-y:auto;
  display:flex;flex-direction:column;gap:7px;}
.modal-card textarea{flex-shrink:0;}
.form-heading{margin:0 0 4px;font-family:'Fredoka',sans-serif;font-weight:500;font-size:18px;color:var(--teal);}
.modal-card input[type=text],.modal-card input[type=tel],.modal-card input[type=email],
.modal-card textarea,.form-input,.form-select{width:100%;border:0.5px solid var(--line);
  border-radius:var(--radius-sm);padding:10px 12px;background:var(--sand);color:var(--ink);}
.modal-card input:focus,.modal-card textarea:focus,.form-select:focus{outline:none;border-color:var(--teal-mid);}
.field-label{font-size:12px;font-weight:600;color:var(--muted);margin-top:5px;}
.form-row{display:flex;gap:10px;}
.time-field{flex:1;min-width:0;}
.form-msg{margin:0;font-size:12.5px;color:var(--coral-dark);min-height:1em;}
.modal-actions{display:flex;align-items:center;gap:8px;margin-top:8px;}
.modal-actions .spacer{flex:1;}
.btn-ghost{background:none;border:0.5px solid var(--line);border-radius:var(--radius-sm);height:38px;padding:0 16px;font-size:14px;color:var(--muted);}
.btn-ghost:hover{background:var(--sand-2);}
.btn-danger{background:none;border:0.5px solid rgba(192,57,43,0.4);border-radius:var(--radius-sm);
  height:38px;padding:0 14px;font-size:14px;color:#c0392b;}
.btn-danger:hover{background:rgba(192,57,43,0.08);}

@media (min-width:560px){
  .modal{align-items:center;padding:20px;}
  .modal-card{border-radius:18px;}
}