:root{--bg:#F9FAFB;--white:#FFFFFF;--navy:#002B5C;--teal:#0D9488;--teal2:#0F766E;--red:#C8102E;--gray50:#F9FAFB;--gray100:#F3F4F6;--gray200:#E5E7EB;--gray400:#9CA3AF;--gray600:#4B5563;--gray700:#374151;--gray900:#111827;--border:#E5E7EB;--shadow:0 1px 3px rgba(0,0,0,.08)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--gray900);min-height:100vh;font-size:17px;line-height:1.6}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}
.auth-card{background:#fff;border-radius:16px;padding:40px 36px;width:100%;max-width:460px;box-shadow:0 10px 40px rgba(0,0,0,.1)}
.auth-logo{text-align:center;margin-bottom:24px}
.auth-logo img{height:48px}
.auth-logo .a-name{font-size:1.25rem;font-weight:700;color:var(--navy);margin-top:10px}
.auth-logo .a-sub{font-size:.85rem;color:var(--gray400);margin-top:2px;text-transform:uppercase;letter-spacing:.08em}
.auth-divider{height:2px;background:linear-gradient(90deg,var(--teal),var(--navy));border-radius:1px;margin:18px 0}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.95rem;font-weight:600;color:var(--gray700);margin-bottom:5px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:8px;font-size:1rem;font-family:inherit;outline:none;transition:border-color .15s;background:#fff;color:var(--gray900)}
.form-group input:focus,.form-group select:focus{border-color:var(--teal)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 24px;border-radius:8px;font-size:1rem;font-weight:600;font-family:inherit;cursor:pointer;border:none;transition:all .15s;text-decoration:none}
.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal2);text-decoration:none}
.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:#001f42;text-decoration:none}
.btn-outline{background:#fff;color:var(--gray700);border:1.5px solid var(--border)}.btn-outline:hover{background:var(--gray100);text-decoration:none}
.btn-danger{background:#DC2626;color:#fff}.btn-danger:hover{background:#B91C1C}
.btn-block{width:100%;justify-content:center;padding:14px}
.btn-sm{padding:7px 16px;font-size:.88rem}
.alert{padding:12px 16px;border-radius:8px;font-size:.88rem;margin-bottom:16px}
.alert-error{background:#FEF2F2;border:1px solid #FECACA;color:#B91C1C}
.alert-success{background:#F0FDF4;border:1px solid #BBF7D0;color:#15803D}
.app-layout{display:flex;min-height:100vh}
.sidebar{width:240px;flex-shrink:0;background:var(--navy);padding:20px 12px;display:flex;flex-direction:column;gap:2px;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:8px 10px 16px;margin-bottom:8px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-logo img{height:28px}
.sidebar-logo .sl-text{color:#fff;font-size:.88rem;font-weight:700;line-height:1.3}
.sidebar-logo .sl-sub{font-size:.66rem;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.08em}
.nav-link{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:7px;color:rgba(255,255,255,.7);font-size:.86rem;font-weight:500;text-decoration:none;transition:all .15s}
.nav-link:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.nav-link.active{background:rgba(255,255,255,.12);color:#fff}
.nav-section{font-size:.65rem;font-weight:700;color:rgba(255,255,255,.3);letter-spacing:.12em;text-transform:uppercase;padding:12px 10px 3px}
.main-content{flex:1;min-width:0;padding:28px}
.page-header{margin-bottom:24px}
.page-header h1{font-size:1.5rem;font-weight:700;color:var(--navy)}
.page-header p{color:var(--gray600);margin-top:4px;font-size:1rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:#fff;border-radius:10px;padding:18px 20px;border:1px solid var(--border);box-shadow:var(--shadow)}
.stat-num{font-size:1.8rem;font-weight:700;color:var(--navy)}
.stat-label{font-size:.8rem;color:var(--gray600);margin-top:2px}
.table-wrap{background:#fff;border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden;margin-bottom:24px}
.table-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border)}
.table-header h3{font-size:.92rem;font-weight:600;color:var(--navy)}
table{width:100%;border-collapse:collapse}
table th{background:var(--gray50);padding:12px 16px;text-align:left;font-size:.82rem;font-weight:700;color:var(--gray600);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border)}
table td{padding:13px 16px;font-size:.95rem;color:var(--gray700);border-bottom:1px solid var(--gray100)}
table tr:last-child td{border-bottom:none}
table tr:hover td{background:var(--gray50)}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:.7rem;font-weight:700}
.badge-l1{background:#FEF3C7;color:#92400E}.badge-l2{background:#DBEAFE;color:#1E40AF}.badge-l3{background:#D1FAE5;color:#065F46}.badge-l4{background:#EDE9FE;color:#4C1D95}
.badge-teal{background:#CCFBF1;color:#134E4A}.badge-gray{background:var(--gray100);color:var(--gray700)}
/* Assessment */
.assess-wrap{max-width:740px;margin:0 auto;padding:32px 24px}
.progress-labels{display:flex;justify-content:space-between;font-size:.9rem;color:var(--gray600);margin-bottom:5px}
.progress-track{height:5px;background:var(--gray200);border-radius:3px;overflow:hidden;margin-bottom:20px}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--teal),var(--navy));border-radius:3px;transition:width .4s}
.phase-tag{display:inline-block;background:var(--navy);color:#fff;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;border-radius:20px;margin-bottom:9px}
.section-label{font-size:.86rem;font-weight:700;color:var(--gray600);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}
.q-meta{font-size:.9rem;color:var(--gray400);margin-bottom:8px}
.q-card{background:#fff;border-radius:12px;padding:32px;border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:18px}
.passage{background:var(--gray50);border-left:3px solid var(--teal);border-radius:0 6px 6px 0;padding:13px 16px;margin-bottom:16px;font-size:.96rem;color:var(--gray700);font-style:italic;line-height:1.65}
.q-text{font-size:1.12rem;color:var(--gray900);font-weight:500;line-height:1.6;margin-bottom:16px}
.options{display:flex;flex-direction:column;gap:8px}
.opt{display:flex;align-items:flex-start;gap:10px;padding:13px 15px;border:1.5px solid var(--border);border-radius:8px;cursor:pointer;font-size:1rem;color:var(--gray700);transition:all .15s;background:#fff;text-align:left;width:100%;font-family:inherit}
.opt:hover{border-color:var(--teal);background:#F0FDFA}
.opt.sel{border-color:var(--teal);background:#F0FDFA;color:var(--teal2)}
.opt-lbl{min-width:26px;height:26px;border-radius:50%;background:var(--gray200);display:flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:700;flex-shrink:0;margin-top:1px;transition:all .15s}
.opt.sel .opt-lbl{background:var(--teal);color:#fff}
.nav-btns{display:flex;justify-content:space-between;align-items:center}
.diag-viz{background:var(--gray50);border-radius:8px;padding:14px;margin-bottom:14px;text-align:center}
.diag-seq{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.d-cell{width:48px;height:48px;background:#fff;border:1.5px solid var(--border);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-direction:column;line-height:1.1}
.d-cell.unk{background:var(--navy);color:#fff;font-size:.8rem;font-weight:700}
.d-grid{display:grid;grid-template-columns:repeat(3,48px);gap:5px;justify-content:center}
/* Results */
.score-hero{background:linear-gradient(135deg,var(--navy),#003A7A);border-radius:14px;padding:28px;text-align:center;color:#fff;margin-bottom:22px}
.score-big{font-size:2.8rem;font-weight:700;color:#5EEAD4}
.comp-row{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--gray100)}
.comp-row:last-child{border-bottom:none}
.comp-name{flex:2;font-size:.83rem;color:var(--gray700)}
.comp-bar-wrap{flex:3;height:6px;background:var(--gray200);border-radius:4px;overflow:hidden}
.comp-bar{height:100%;border-radius:4px}
.l1-bar{background:linear-gradient(90deg,#F59E0B,#D97706)}.l2-bar{background:linear-gradient(90deg,#3B82F6,#1D4ED8)}.l3-bar{background:linear-gradient(90deg,#10B981,#059669)}.l4-bar{background:linear-gradient(90deg,#8B5CF6,#6D28D9)}
.cluster-head{font-size:.76rem;font-weight:700;color:var(--gray600);text-transform:uppercase;letter-spacing:.08em;padding:10px 0 3px;border-bottom:2px solid var(--gray200);margin-bottom:3px}
.card{background:#fff;border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow);padding:22px 24px;margin-bottom:20px}
.card h2{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:16px}
@media print{.sidebar,.nav-btns,.btn,.no-print{display:none!important}.main-content,.assess-wrap,.results-wrap{padding:0}}
/* ── Language Toggle ── */
.lang-toggle{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:4px 12px;color:#fff;font-size:.78rem;font-weight:600;text-decoration:none;letter-spacing:.06em;transition:background .15s}
.lang-toggle:hover{background:rgba(255,255,255,.18);text-decoration:none;color:#fff}
.lang-toggle.dark{background:var(--gray100);border:1px solid var(--border);color:var(--navy)}.lang-toggle.dark:hover{background:var(--gray200);color:var(--navy)}
.lang-toggle .flag{font-size:1rem}
/* Unanswered warning */
.warn-bar{background:#FEF3C7;border:1px solid #FCD34D;color:#92400E;padding:10px 16px;border-radius:8px;font-size:.86rem;margin-bottom:16px;display:none}
.warn-bar.show{display:block}

/* ── Bilingual display ── */
.ms{color:var(--gray400);font-size:.88em;font-weight:400}
.bi-en{display:block}
.bi-ms{display:block;color:var(--gray500);font-size:.9em;margin-top:2px;font-style:italic}
.bi-ms-head{color:var(--gray500);font-size:.78em;font-weight:400;font-style:normal}
label .ms{font-size:.85em}
.btn .ms{font-size:.85em;opacity:.75}
.opt .ms{font-size:.85em;color:var(--gray400)}
.phase-tag .ms{font-size:.78em;opacity:.7}
.warn-bar{background:#FEF3C7;border:1px solid #FCD34D;color:#92400E;padding:10px 16px;border-radius:8px;font-size:.86rem;margin-bottom:16px;display:none}
.warn-bar.show{display:block}