:root{--ink:#1a1a2e;--ink-light:#3a3a5c;--paper:#f5f0e8;--paper-dark:#ede7d9;--accent:#c84b31;--accent-light:#e8705a;--success:#2d6a4f;--success-bg:#d8f3dc;--fail:#c84b31;--fail-bg:#fde8e4;--border:#c8bfaa;}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"DM Sans",sans-serif;background:var(--paper);color:var(--ink);min-height:100vh;background-image:radial-gradient(circle at 20% 80%,rgba(200,75,49,.06) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(232,160,32,.06) 0%,transparent 50%);}
.site-header{background:var(--ink);color:var(--paper);padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:60px;position:sticky;top:0;z-index:100;box-shadow:0 2px 20px rgba(0,0,0,.3);}
.site-header h1{font-family:"DM Serif Display",serif;font-size:1.3rem;}
.header-right{display:flex;align-items:center;gap:10px;}
.badge{font-size:.72rem;font-weight:600;background:var(--accent);color:#fff;padding:3px 10px;border-radius:20px;letter-spacing:.05em;text-transform:uppercase;}
.lang-switcher{display:flex;gap:4px;}
.lang-btn{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:var(--paper);border-radius:6px;padding:4px 9px;font-size:.78rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:"DM Sans",sans-serif;}
.lang-btn:hover{background:rgba(255,255,255,.22);}
.lang-btn.active{background:#fff;color:var(--ink);}
.app{max-width:880px;margin:0 auto;padding:2rem 1.5rem 4rem;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,.04);animation:fadeUp .4s ease both;}
.card-title{font-family:"DM Serif Display",serif;font-size:1.1rem;margin-bottom:1rem;color:var(--ink);display:flex;align-items:center;gap:8px;}
.card-title .num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;background:var(--ink);color:#fff;border-radius:50%;font-size:.8rem;font-weight:600;flex-shrink:0;}
.panel-title{font-family:"DM Serif Display",serif;font-size:2rem;margin-bottom:.3rem;}
.panel-sub{color:var(--ink-light);font-size:.9rem;margin-bottom:2rem;font-weight:300;}
label{display:block;font-size:.82rem;font-weight:600;color:var(--ink-light);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;margin-top:14px;}
label:first-child{margin-top:0;}
input[type=text],input[type=number],input[type=email],textarea{width:100%;border:1.5px solid var(--border);border-radius:8px;padding:10px 14px;font-family:"DM Sans",sans-serif;font-size:.93rem;color:var(--ink);background:var(--paper);transition:border-color .2s,box-shadow .2s;outline:none;}
input[type=text]:focus,input[type=number]:focus,input[type=email]:focus,textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(26,26,46,.08);background:#fff;}
textarea{resize:vertical;min-height:70px;}
.threshold-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.threshold-row input[type=number]{width:90px;flex-shrink:0;}
.threshold-display{font-family:"DM Serif Display",serif;font-size:1.4rem;color:var(--accent);}
.btn{display:inline-flex;align-items:center;gap:7px;padding:11px 22px;border-radius:8px;font-family:"DM Sans",sans-serif;font-weight:600;font-size:.9rem;cursor:pointer;border:none;transition:all .2s;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover:not(:disabled){background:var(--ink-light);transform:translateY(-1px);box-shadow:0 4px 14px rgba(0,0,0,.18);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover:not(:disabled){background:var(--accent-light);transform:translateY(-1px);box-shadow:0 4px 14px rgba(200,75,49,.3);}
.btn-success{background:var(--success);color:#fff;}
.btn-success:hover:not(:disabled){opacity:.9;transform:translateY(-1px);}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--ink);}
.btn-outline:hover:not(:disabled){border-color:var(--ink);background:var(--paper-dark);}
.btn-danger{background:#7f1d1d;color:#fff;}
.btn-danger:hover:not(:disabled){background:#991b1b;transform:translateY(-1px);}
.btn-sm{padding:8px 16px;font-size:.82rem;}
.actions-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:1rem;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent);margin:2rem 0;}
.questions-list{display:flex;flex-direction:column;gap:1rem;}
.q-item{background:var(--paper);border:1.5px solid var(--border);border-radius:10px;padding:1.2rem;}
.q-item-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:10px;}
.q-num{font-family:"DM Serif Display",serif;font-size:.9rem;color:var(--ink-light);padding-top:2px;}
.btn-icon{background:none;border:none;cursor:pointer;color:var(--accent);font-size:1.1rem;padding:4px;border-radius:4px;transition:background .15s;}
.btn-icon:hover{background:var(--fail-bg);}
.options-list{display:flex;flex-direction:column;gap:6px;margin-top:8px;}
.option-row{display:flex;align-items:center;gap:8px;}
.option-row input[type=text]{flex:1;padding:8px 12px;}
.option-correct-btn{width:32px;height:32px;border:2px solid var(--border);border-radius:50%;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:all .2s;flex-shrink:0;}
.option-correct-btn.correct{border-color:var(--success);background:var(--success-bg);color:var(--success);}
.btn-add-option{background:none;border:1.5px dashed var(--border);border-radius:8px;padding:7px 12px;font-size:.82rem;color:var(--ink-light);cursor:pointer;transition:all .2s;font-family:"DM Sans",sans-serif;margin-top:4px;}
.btn-add-option:hover{border-color:var(--ink);color:var(--ink);background:var(--paper-dark);}
.test-list{display:flex;flex-direction:column;gap:.75rem;}
.test-row{display:flex;align-items:center;gap:12px;background:var(--paper);border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;transition:border-color .2s;}
.test-row:hover{border-color:var(--ink-light);}
.test-row-info{flex:1;min-width:0;}
.test-row-name{font-weight:600;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.test-row-meta{font-size:.78rem;color:var(--ink-light);margin-top:2px;}
.test-row-actions{display:flex;gap:6px;flex-shrink:0;}
.empty-state{text-align:center;padding:2rem;color:var(--ink-light);font-size:.9rem;border:2px dashed var(--border);border-radius:10px;}
.toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--ink);color:#fff;padding:12px 20px;border-radius:10px;font-size:.88rem;box-shadow:0 4px 20px rgba(0,0,0,.25);z-index:9999;animation:fadeUp .3s ease both;max-width:320px;}
.toast.success{background:var(--success);}
.toast.error{background:#c84b31;}
@media(max-width:600px){.app{padding:1rem 1rem 3rem;}.panel-title{font-size:1.6rem;}}
/* LOGIN OVERLAY */
#loginOverlay{position:fixed;inset:0;background:var(--paper);z-index:9999;display:flex;align-items:center;justify-content:center;background-image:radial-gradient(circle at 20% 80%,rgba(200,75,49,.06) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(232,160,32,.06) 0%,transparent 50%);}
.login-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:2.5rem 2rem;width:100%;max-width:380px;box-shadow:0 8px 32px rgba(0,0,0,.10);text-align:center;}
.login-logo{font-family:"DM Serif Display",serif;font-size:1.4rem;margin-bottom:.3rem;}
.login-sub{font-size:.85rem;color:var(--ink-light);font-weight:300;margin-bottom:2rem;}
.login-box label{text-align:left;margin-bottom:6px;}
.login-box input{margin-bottom:1rem;}
.login-error{color:var(--accent);font-size:.82rem;margin-top:-.5rem;margin-bottom:.8rem;min-height:1.2em;}