:root{--bg:#f4f6f8;--panel:#fff;--text:#18212f;--muted:#6b7280;--line:#e5e7eb;--primary:#2357d8;--danger:#c0392b;--success:#18794e}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}aside{background:#111827;color:#fff;padding:28px 18px;display:flex;flex-direction:column}.brand{font-size:24px;line-height:1.05;margin:0 10px 30px}.brand strong{font-weight:800}nav{display:grid;gap:6px}nav a{color:#cbd5e1;padding:11px 12px;border-radius:8px}nav a:hover,nav a.active{background:#1f2937;color:#fff}.sidebar-user{margin-top:auto;border-top:1px solid #374151;padding:18px 10px 0;display:grid;gap:5px}.sidebar-user small{color:#9ca3af}.sidebar-user a{color:#93c5fd;font-size:14px}main{min-width:0}header{background:#fff;border-bottom:1px solid var(--line);padding:22px 32px}header h1{margin:0;font-size:26px}.content{padding:28px 32px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 8px 30px rgba(15,23,42,.04)}.panel h2{margin-top:0}.panel.narrow{max-width:820px}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.grid{display:grid;gap:22px}.grid.two{grid-template-columns:minmax(280px,.8fr) minmax(0,1.4fr)}.stats{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:16px;margin-bottom:22px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.stat span{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}.stat strong{font-size:30px}form{display:grid;gap:14px}label{display:grid;gap:7px;font-weight:600;font-size:14px}label small,.hint{font-weight:400;color:var(--muted)}input,select{width:100%;border:1px solid #d1d5db;border-radius:9px;padding:10px 12px;background:#fff;font:inherit}.check{display:flex;grid-template-columns:auto 1fr;align-items:center}.check input{width:auto}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;background:var(--primary);color:#fff;border-radius:9px;padding:10px 15px;font-weight:700;cursor:pointer;width:max-content}.btn.secondary{background:#e8eefc;color:#1f4bb8}.mini{border:0;border-radius:7px;padding:6px 9px;cursor:pointer}.danger{background:#fde8e6;color:#9f2d22}.alert{padding:12px 14px;border-radius:9px;margin-bottom:18px}.alert.success{background:#e8f7ef;color:var(--success)}.alert.danger{background:#fde8e6;color:#9f2d22}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}.inline{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.selected-subjects{display:grid;gap:8px;margin:10px 0 16px}.subject-row{display:flex;align-items:center;justify-content:space-between;gap:15px;border:1px solid var(--line);border-radius:9px;padding:10px 12px;background:#fafafa}.auth-bg{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef2ff,#f8fafc)}.auth-card{width:min(420px,calc(100% - 30px));background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 24px 70px rgba(15,23,42,.12)}.auth-card.wide{width:min(620px,calc(100% - 30px))}.auth-card h1{margin-top:0}code{background:#f3f4f6;padding:2px 5px;border-radius:5px}@media(max-width:950px){.app{grid-template-columns:1fr}aside{position:static}.grid.two,.stats{grid-template-columns:1fr}nav{grid-template-columns:repeat(2,1fr)}.content,header{padding:20px}.sidebar-user{margin-top:20px}}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row-actions{display:flex;gap:6px;align-items:center}.row-actions form{display:inline}.row-actions .mini{background:#eef2ff;color:#2947a9}.grid.two.compact{gap:12px}.table-wrap{overflow:auto}.filter-bar{margin-bottom:22px}.inline-form{display:flex;align-items:end;gap:12px}.inline-form label{min-width:min(560px,100%)}.students-grid{grid-template-columns:minmax(340px,.9fr) minmax(0,1.5fr)}.empty{color:var(--muted);padding:20px 0}td small{color:var(--muted)}@media(max-width:1100px){.students-grid{grid-template-columns:1fr}}
.gradebook-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.gradebook-head h2{margin-bottom:6px}.gradebook-head p{margin:0;color:var(--muted)}.gradebook-panel{padding:0;overflow:hidden}.gradebook-scroll{overflow:auto;max-height:68vh}.gradebook{min-width:max-content}.gradebook th,.gradebook td{background:#fff}.gradebook thead th{position:sticky;top:0;z-index:4;background:#f8fafc;min-width:78px;text-align:center}.gradebook thead th span{display:block;max-width:110px;white-space:normal;line-height:1.25}.gradebook .sticky-col{position:sticky;z-index:3;background:#fff}.gradebook thead .sticky-col{z-index:6;background:#f8fafc}.sticky-no{left:0;min-width:62px!important;width:62px;text-align:center!important}.sticky-name{left:62px;min-width:210px!important;max-width:240px}.sticky-name small{display:block;margin-top:4px}.grade-cell{text-align:center}.grade-cell select{width:58px;min-width:58px;padding:8px 6px;text-align:center}.conduct-select{min-width:150px}.gradebook tr.is-locked td,.gradebook tr.is-locked .sticky-col{background:#fafafa}.gradebook-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:18px 22px;border-top:1px solid var(--line)}.lock-stack{display:grid;gap:7px;justify-items:start}.badge{display:inline-flex;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700}.badge.locked{background:#e5e7eb;color:#374151}.badge.open{background:#e8f7ef;color:#18794e}.hidden-form{display:none}@media(max-width:900px){.gradebook-head{align-items:flex-start;flex-direction:column}.sticky-name{min-width:180px!important;max-width:180px}}
.certificate-form{display:grid;grid-template-columns:minmax(150px,1fr) 145px auto;gap:8px;align-items:center;min-width:500px}.certificate-form input{padding:8px 9px}.certificate-form .mini{white-space:nowrap}@media(max-width:900px){.certificate-form{grid-template-columns:1fr;min-width:260px}}
.certificate-form{display:grid;grid-template-columns:minmax(150px,1fr) 145px auto;gap:8px;align-items:center;min-width:500px}.certificate-form input{padding:8px 9px}.certificate-form .mini{white-space:nowrap}@media(max-width:900px){.certificate-form{grid-template-columns:1fr;min-width:260px}}

/* Faza 9 hotfix: vertikalni nazivi predmeta u tabeli ocjena */
.gradebook thead th.subject-header{
    height:190px;
    min-width:54px;
    width:54px;
    padding:8px 4px;
    vertical-align:bottom;
}
.gradebook thead th.subject-header span{
    writing-mode:vertical-rl;
    transform:rotate(180deg);
    white-space:nowrap;
    max-width:none;
    line-height:1;
    display:inline-block;
}
@media(max-width:900px){
    .gradebook thead th.subject-header{height:170px}
}
.center {
                display: flex;
                justify-content: center;
                align-items: center;
            }