:root{--exam-primary:#6366f1;--exam-primary-dark:#4f46e5;--exam-secondary:#8b5cf6;--exam-accent:#22c55e;--exam-bg:linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);--exam-text:#1e293b;--exam-text-muted:#1e293bb3;--exam-toolbar-bg:#fff;--exam-toolbar-text:#1e293b;--exam-toolbar-border:#e2e8f0;--exam-toolbar-muted:#64748b;--exam-card-bg:#fffffff2;--exam-card-shadow:0 4px 20px #6366f126}._exam-loading{z-index:9999;background:linear-gradient(#f8fafc 0%,#f1f5f9 100%);justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .5s,visibility .5s;display:flex;position:fixed;top:0;left:0}._exam-loading.hidden{opacity:0;visibility:hidden;pointer-events:none}._exam-loading-content{text-align:center}._exam-loading-icons{justify-content:center;gap:1rem;margin-bottom:1.5rem;display:flex}._exam-loading-icon{filter:drop-shadow(0 4px 8px #6366f14d);font-size:2.5rem;animation:1.5s ease-in-out infinite examLoadingPulse}._exam-loading-icon:first-child{animation-delay:0s}._exam-loading-icon:nth-child(2){animation-delay:.2s}._exam-loading-icon:nth-child(3){animation-delay:.4s}@keyframes examLoadingPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.2)}}._exam-loading-text{color:var(--exam-primary);letter-spacing:2px;text-transform:uppercase;font-size:1rem;font-weight:500}._exam-container{background:var(--exam-bg);justify-content:center;align-items:center;min-height:80vh;padding:2rem;display:flex;position:relative;overflow:hidden}._exam-effects{pointer-events:none;z-index:1;position:absolute;top:0;bottom:0;left:0;right:0;overflow:hidden}._exam-decorations{pointer-events:none;z-index:2;position:absolute;top:0;bottom:0;left:0;right:0}._exam-content{z-index:10;text-align:center;width:100%;max-width:650px;padding-top:2rem;position:relative}._exam-header{margin-bottom:2.5rem}._exam-icon{color:var(--exam-primary);filter:drop-shadow(0 0 15px #6366f166);margin-bottom:1rem}._exam-title{color:var(--exam-text);text-shadow:0 2px 10px #0000001a;margin:0;font-size:2.25rem;font-weight:700}._exam-countdown{justify-content:center;gap:1rem;margin-bottom:1.5rem;display:flex}._exam-unit{flex-direction:column;align-items:center;gap:.75rem;display:flex}._exam-card{background:var(--exam-card-bg);width:90px;height:90px;box-shadow:var(--exam-card-shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:16px;justify-content:center;align-items:center;display:flex}._exam-value{font-size:2.25rem;font-weight:700;font-family:var(--main-font-mono);color:var(--exam-primary)}._exam-label{color:var(--exam-text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.875rem;font-weight:500}._exam-date{color:var(--exam-text-muted);margin-bottom:1rem;font-size:1rem}._exam-message{color:var(--exam-text);border-radius:var(--main-radius);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#fff9;max-width:500px;margin:1.5rem auto 0;padding:1rem 1.5rem;font-size:1.125rem;font-style:italic}._exam-completed{z-index:10;text-align:center;padding:3rem 2rem;position:relative}._exam-completed-icon{color:var(--exam-accent);margin-bottom:1.5rem;animation:1s ease-in-out infinite exam-bounce}@keyframes exam-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}._exam-completed-title{color:var(--exam-text);margin:0 0 1rem;font-size:2.5rem;font-weight:700}._exam-completed-message{color:var(--exam-text-muted);margin:0;font-size:1.125rem}._exam-settings{max-width:650px;margin-top:1.5rem;margin-left:auto;margin-right:auto}._exam-settings-inner{background:var(--exam-toolbar-bg);border-radius:var(--main-radius-lg);box-shadow:var(--main-shadow-sm);padding:1rem 1.25rem}._exam-settings-row{align-items:flex-end;gap:1rem;display:flex}._exam-settings-field{flex:1}._exam-settings-label{color:var(--exam-toolbar-muted);align-items:center;gap:.375rem;margin-bottom:.5rem;font-size:.8125rem;font-weight:500;display:flex}._exam-settings-label 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svg{width:14px;height:14px}._exam-select{border-style:solid;border-width:1px;border-color:var(--exam-toolbar-border);border-radius:var(--main-radius);color:var(--exam-toolbar-text);cursor:pointer;-webkit-appearance:none;appearance:none;background:#f1f5f9 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L2 4h8z'/%3E%3C/svg%3E") right .5rem center no-repeat;padding:.5rem 1.75rem .5rem .625rem;font-family:inherit;font-size:.8125rem;transition:border-color .15s,box-shadow .15s}._exam-select:hover{border-color:var(--exam-primary)}._exam-select:focus{border-color:var(--exam-primary);outline:none;box-shadow:0 0 0 2px #6366f11a}._exam-toolbar-right{align-items:center;gap:.75rem;display:flex}._exam-create-btn{background:var(--exam-primary);color:#fff;border-radius:var(--main-radius);cursor:pointer;border:none;align-items:center;gap:.5rem;padding:.5rem 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0}._exam-form-btn--cancel:hover{background:#0000000d}._exam-form-btn--primary{background:var(--exam-primary);color:#fff}._exam-form-btn--primary:hover{opacity:.9}._exam-form-btn--secondary{color:var(--exam-toolbar-text);background:#f1f5f9}._exam-form-btn--secondary:hover{background:#e2e8f0}._exam-link-result{border-top-style:solid;border-top-width:1px;border-top-color:var(--exam-toolbar-border);background:#f8fafc;padding:1.5rem}._exam-link-success{color:#16a34a;align-items:center;gap:.5rem;margin-bottom:1rem;font-weight:500;display:flex}._exam-link-box{gap:.5rem;margin-bottom:1rem;display:flex}._exam-link-input{font-size:.875rem;font-family:var(--main-font-mono);background:var(--exam-toolbar-bg);border-style:solid;border-width:1px;border-color:var(--exam-toolbar-border);border-radius:var(--main-radius);color:var(--exam-toolbar-text);flex:1;padding:.75rem 1rem}._exam-link-copy{background:var(--exam-primary);color:#fff;border-radius:var(--main-radius);cursor:pointer;border:none;justify-content:center;align-items:center;width:44px;padding:0;transition:opacity .2s;display:flex}._exam-link-copy:hover{opacity:.9}._exam-link-actions{justify-content:center;display:flex}.site-header{z-index:1000;transition:transform .3s;top:0;left:0;right:0;transform:translateY(-100%);position:fixed!important}.site-header.header-visible{transform:translateY(0)}body,.site-content{padding-top:0!important}body.app-fullscreen-mode ._exam-toolbar{display:none!important}body.app-fullscreen-mode ._exam-container{justify-content:center;align-items:center;min-height:100vh;display:flex}._exam-container.is-loading:after{content:"";z-index:100;background:#fffc;position:absolute;top:0;bottom:0;left:0;right:0}@media (max-width:640px){._exam-container{min-height:380px;padding:1.5rem 1rem}._exam-countdown{gap:.5rem}._exam-card{border-radius:12px;width:70px;height:70px}._exam-value{font-size:1.75rem}._exam-label{font-size:.75rem}._exam-title{font-size:1.75rem}._exam-settings-row{flex-direction:column;align-items:stretch}._exam-settings-btn{justify-content:center;width:100%}._exam-toolbar-inner{flex-direction:column;gap:.625rem}._exam-toolbar-selects{flex-direction:column;gap:.5rem;width:100%}._exam-select-group{width:100%}._exam-select{flex:1}._exam-toolbar-right{width:100%}._exam-create-btn{justify-content:center;width:100%}._exam-form-actions{flex-direction:column}._exam-form-btn{justify-content:center;width:100%}}