@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

:root{
  --cca-bg:#edf3ff;
  --cca-surface:#ffffff;
  --cca-surface-soft:#f7faff;
  --cca-text:#14213d;
  --cca-muted:#61708a;
  --cca-primary:#2563eb;
  --cca-primary-2:#4f46e5;
  --cca-secondary:#14b8a6;
  --cca-accent:#f59e0b;
  --cca-pink:#ec4899;
  --cca-success:#16a34a;
  --cca-danger:#dc2626;
  --cca-border:#d9e4f5;
  --cca-border-strong:#c7d6ee;
  --cca-shadow:0 18px 50px rgba(37,99,235,.10);
  --cca-shadow-lg:0 28px 70px rgba(20,33,61,.14);
  --cca-radius:26px;
  --cca-radius-sm:18px;
}
*,:before,:after{box-sizing:border-box}
.cca-app-wrap,.cca-app-wrap *{font-family:'Poppins',sans-serif}
.cca-app-wrap{position:relative;width:min(1840px,calc(100vw - 20px));max-width:none;margin:0 auto;padding:10px}
.cca-app{position:relative;overflow:hidden;min-height:88vh;padding:34px;border-radius:34px;background:
  radial-gradient(circle at top left,rgba(37,99,235,.14),transparent 28%),
  radial-gradient(circle at top right,rgba(236,72,153,.10),transparent 26%),
  radial-gradient(circle at bottom left,rgba(20,184,166,.11),transparent 24%),
  linear-gradient(180deg,#f7faff 0%,#eef4ff 100%);
  border:1px solid rgba(255,255,255,.9);box-shadow:var(--cca-shadow-lg)}
.cca-app::before,.cca-app::after{content:"";position:absolute;pointer-events:none;border-radius:999px;filter:blur(18px);opacity:.32}
.cca-app::before{width:320px;height:320px;background:radial-gradient(circle at 35% 35%,rgba(37,99,235,.28),transparent 62%);top:-70px;left:-80px}
.cca-app::after{width:300px;height:300px;background:radial-gradient(circle at 50% 50%,rgba(236,72,153,.22),transparent 62%);bottom:-90px;right:-70px}
.cca-screen{position:relative;z-index:1;display:grid;gap:28px;animation:ccaFadeUp .35s ease}
.cca-loading-card,.cca-card,.cca-hero,.cca-stage-card,.cca-side-card{background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.95);border-radius:var(--cca-radius);box-shadow:var(--cca-shadow)}
.cca-loading-card{display:grid;place-items:center;min-height:320px;gap:14px;color:var(--cca-text);text-align:center}
.cca-spinner{width:46px;height:46px;border-radius:50%;border:4px solid rgba(37,99,235,.12);border-top-color:var(--cca-primary);animation:ccaSpin 1s linear infinite}
.cca-auth-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(430px,.85fr);gap:28px}
.cca-main-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(340px,.7fr);gap:26px;align-items:start}
.cca-hero,.cca-stage-card,.cca-side-card,.cca-card{padding:30px}
.cca-side-card{position:sticky;top:18px;display:grid;gap:16px}
.cca-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(37,99,235,.09);color:var(--cca-primary);font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.09em}
.cca-title{margin:14px 0 10px;font-size:clamp(2.15rem,3.4vw,4rem);line-height:1.03;letter-spacing:-.03em;color:var(--cca-text);max-width:12ch}
.cca-subtitle,.cca-muted{color:var(--cca-muted);font-size:16px;line-height:1.72}
.cca-note{margin-top:20px;padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(255,244,214,.95));border:1px solid rgba(245,158,11,.25);color:#7c5602;font-weight:600}
.cca-mini-list{display:grid;gap:12px;margin:18px 0 0;padding:0}
.cca-mini-list li{list-style:none;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--cca-border);color:var(--cca-text)}
.cca-tabs{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.cca-tab{border:none;border-radius:999px;padding:12px 18px;background:#e7efff;color:#29405f;font-weight:800;cursor:pointer;transition:.2s transform,.2s background,.2s color,.2s box-shadow}
.cca-tab.is-active{background:linear-gradient(135deg,var(--cca-primary),var(--cca-primary-2));color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(37,99,235,.22)}
.cca-form{display:grid;gap:16px}.cca-field{display:grid;gap:8px}
.cca-label{font-weight:700;color:var(--cca-text);font-size:14px}
.cca-input,.cca-textarea{width:100%;border:1px solid var(--cca-border);border-radius:16px;padding:15px 16px;background:#fff;color:var(--cca-text);font-size:16px;line-height:1.55;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.cca-input:focus,.cca-textarea:focus{outline:none;border-color:var(--cca-primary);box-shadow:0 0 0 4px rgba(37,99,235,.10);transform:translateY(-1px)}
.cca-textarea{min-height:160px;resize:vertical}.cca-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cca-btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.cca-btn{appearance:none;border:none;border-radius:16px;padding:14px 18px;min-height:48px;font-size:15px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,opacity .2s ease}
.cca-btn:hover{transform:translateY(-2px)}
.cca-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.cca-btn-primary{background:linear-gradient(135deg,var(--cca-primary),var(--cca-primary-2));color:#fff;box-shadow:0 16px 32px rgba(79,70,229,.22)}
.cca-btn-secondary{background:#e8fbf7;color:#0f766e}
.cca-btn-ghost{background:#fff;color:var(--cca-text);border:1px solid var(--cca-border)}
.cca-btn-accent{background:linear-gradient(135deg,var(--cca-accent),#f97316);color:#fff;box-shadow:0 16px 30px rgba(245,158,11,.22)}
.cca-message{padding:14px 16px;border-radius:16px;font-weight:700}
.cca-message.success{background:#ecfdf3;color:#166534;border:1px solid #bbf7d0}
.cca-message.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
.cca-header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;flex-wrap:wrap}
.cca-user-chip{display:inline-flex;align-items:center;gap:12px;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.95);border:1px solid rgba(20,33,61,.05);box-shadow:0 10px 22px rgba(20,33,61,.06);font-weight:700;color:var(--cca-text)}
.cca-avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#dbeafe,#c4b5fd);display:grid;place-items:center;color:#2445a2;font-weight:800}
.cca-section-title{margin:0 0 8px;font-size:clamp(1.75rem,2vw,2.4rem);letter-spacing:-.03em;color:var(--cca-text)}
.cca-stage-card{display:grid;gap:18px}
.cca-top-metrics{display:grid;grid-template-columns:1.2fr .9fr;gap:18px}
.cca-progress-card,.cca-grade-card{padding:18px;border-radius:22px;background:#fff;border:1px solid var(--cca-border);box-shadow:0 8px 22px rgba(20,33,61,.05)}
.cca-progress-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.cca-inline-score{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:#eef4ff;color:var(--cca-primary);font-weight:800}
.cca-progress-bar{height:14px;border-radius:999px;background:#dfe9fb;overflow:hidden;position:relative}
.cca-progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cca-secondary),var(--cca-primary),var(--cca-primary-2));width:0;transition:width .35s ease}
.cca-stage-kicker{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--cca-primary)}
.cca-stars{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.cca-star{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:#fff;color:#cad6ea;font-size:19px;border:1px solid rgba(20,33,61,.06);box-shadow:0 8px 18px rgba(20,33,61,.06)}
.cca-star.is-on{color:#f4b400;background:linear-gradient(180deg,#fff8d7,#ffefae)}
.cca-grade-card{background:linear-gradient(135deg,#0f172a,#1d4ed8 58%,#2563eb);color:#fff}
.cca-grade-card h3,.cca-grade-card p{margin:0}.cca-grade-pill{display:inline-flex;align-items:center;justify-content:center;margin-top:14px;padding:12px 16px;border-radius:999px;background:rgba(255,255,255,.14);font-weight:800;font-size:24px}
.cca-stage-shell{display:grid;gap:18px;padding:24px;border-radius:26px;background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);border:1px solid var(--cca-border);box-shadow:0 18px 40px rgba(20,33,61,.06)}
.cca-stage-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.cca-stage-copy h3{margin:6px 0 8px;color:var(--cca-text);font-size:clamp(1.45rem,2vw,2rem)}
.cca-stage-copy p{margin:0;color:var(--cca-muted);line-height:1.65;max-width:70ch}
.cca-stage-counter{display:grid;gap:8px;min-width:230px;padding:14px 16px;border-radius:18px;background:#fff;border:1px solid var(--cca-border)}
.cca-stage-counter strong{font-size:14px;color:var(--cca-text)}
.cca-stage-counter span{font-size:13px;color:var(--cca-muted)}
.cca-subprogress{height:10px;border-radius:999px;background:#e5eefc;overflow:hidden}.cca-subprogress span{display:block;height:100%;background:linear-gradient(90deg,var(--cca-pink),var(--cca-accent));border-radius:inherit}
.cca-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);gap:18px;align-items:start}
.cca-panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.cca-info-card,.cca-question-card,.cca-support-card{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--cca-border);box-shadow:0 8px 22px rgba(20,33,61,.05)}
.cca-info-card h4,.cca-support-card h4{margin:0 0 10px;color:var(--cca-text);font-size:18px}
.cca-info-card p,.cca-info-card li,.cca-support-card p,.cca-support-card li{color:var(--cca-muted);line-height:1.65}
.cca-info-card ul,.cca-support-card ul{margin:10px 0 0 18px}
.cca-question-card{display:grid;gap:16px;min-height:320px}
.cca-question-label{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#f1f6ff;color:var(--cca-primary);font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.08em;width:max-content}
.cca-question-title{font-size:clamp(1.4rem,1.9vw,1.85rem);line-height:1.45;color:var(--cca-text);font-weight:700}
.cca-question-note{font-size:14px;color:var(--cca-muted);line-height:1.65}
.cca-option-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cca-option{position:relative;display:block;cursor:pointer}.cca-option input{position:absolute;opacity:0;pointer-events:none}
.cca-option span{display:flex;align-items:center;justify-content:center;min-height:64px;padding:14px 16px;border-radius:16px;border:1px solid var(--cca-border-strong);background:#fff;color:var(--cca-text);font-weight:700;text-align:center;transition:.2s transform,.2s border-color,.2s box-shadow,.2s background}
.cca-option input:checked + span{background:linear-gradient(135deg,#eff6ff,#f5f3ff);border-color:var(--cca-primary);box-shadow:0 10px 22px rgba(37,99,235,.12);transform:translateY(-1px)}
.cca-correct-box{padding:14px 16px;border-radius:16px;background:#f8fbff;border:1px dashed var(--cca-border-strong);color:var(--cca-muted)}
.cca-nav-row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.cca-side-box{padding:18px;border-radius:22px;background:#fff;border:1px solid var(--cca-border);box-shadow:0 8px 22px rgba(20,33,61,.05)}
.cca-side-box h3{margin:0 0 10px;color:var(--cca-text);font-size:20px}
.cca-side-box p,.cca-side-box li{color:var(--cca-muted);line-height:1.65}.cca-side-box ul{margin:10px 0 0 18px}
.cca-score-box{padding:22px;border-radius:24px;background:linear-gradient(135deg,#1d4ed8 0%,#2563eb 55%,#7c3aed 100%);color:#fff;box-shadow:0 22px 40px rgba(37,99,235,.25)}
.cca-score-box h3{margin:0 0 8px;font-size:22px}.cca-score-box p{margin:0;color:rgba(255,255,255,.88);line-height:1.65}
.cca-score-pill{display:inline-flex;align-items:center;gap:10px;margin-top:14px;padding:12px 16px;border-radius:999px;background:rgba(255,255,255,.14);font-size:24px;font-weight:800}
.cca-big-score{font-size:clamp(3.3rem,5vw,5rem);font-weight:800;line-height:1;color:#fff;margin:12px 0 6px;letter-spacing:-.05em}
.cca-result-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:20px}
.cca-writing-feedback{display:grid;gap:10px;margin-top:6px}
.cca-feedback-item{padding:12px 14px;border-radius:14px;background:#f8fbff;border:1px solid var(--cca-border);color:var(--cca-muted)}
.cca-feedback-item strong{color:var(--cca-text);display:block;margin-bottom:4px}
.cca-practice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cca-small-muted{font-size:13px;color:var(--cca-muted);line-height:1.6}
@keyframes ccaFadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes ccaSpin{to{transform:rotate(360deg)}}
@media (max-width:1320px){.cca-auth-grid{grid-template-columns:minmax(0,1fr) minmax(390px,.9fr)}.cca-panel-grid,.cca-option-row{grid-template-columns:1fr 1fr}}
@media (max-width:1120px){.cca-main-grid,.cca-layout,.cca-result-grid,.cca-panel-grid,.cca-auth-grid,.cca-top-metrics{grid-template-columns:1fr}.cca-side-card{position:static}.cca-app{min-height:auto;padding:24px}}
@media (max-width:680px){.cca-app-wrap{width:calc(100vw - 10px);padding:5px}.cca-app{padding:16px;border-radius:22px}.cca-hero,.cca-stage-card,.cca-side-card,.cca-card{padding:18px}.cca-grid-2,.cca-option-row,.cca-practice{grid-template-columns:1fr}.cca-btn{width:100%}.cca-title{max-width:none;font-size:2rem}.cca-stage-header,.cca-nav-row{flex-direction:column}.cca-stage-counter{min-width:0}}


:root{
  --cca-sky:#63a4ff;
  --cca-lilac:#8b7bff;
  --cca-mint:#4dd4ac;
  --cca-peach:#ffb86b;
  --cca-rose:#ff7ab6;
}
.cca-app{background:
  radial-gradient(circle at top left,rgba(99,164,255,.20),transparent 26%),
  radial-gradient(circle at top right,rgba(255,122,182,.14),transparent 24%),
  radial-gradient(circle at bottom left,rgba(77,212,172,.15),transparent 22%),
  linear-gradient(180deg,#f8fbff 0%,#eef5ff 100%)}
.cca-main-grid{grid-template-columns:minmax(0,1fr);gap:22px}
.cca-side-card{position:static;grid-template-columns:1fr 1fr 1fr;align-items:start}
.cca-top-metrics,.cca-layout,.cca-panel-grid,.cca-result-grid{grid-template-columns:1fr;gap:16px}
.cca-stage-shell{padding:20px 20px 22px;border-radius:28px;background:linear-gradient(180deg,#ffffff 0%,#f9fbff 100%)}
.cca-stage-header{display:grid;grid-template-columns:1fr;gap:14px}
.cca-stage-copy h3{font-size:clamp(1.35rem,2vw,1.8rem)}
.cca-stage-copy p{max-width:none}
.cca-stage-counter{min-width:0;background:linear-gradient(135deg,#f5f8ff,#eef4ff);border:1px solid #d5e3fb}
.cca-progress-card{background:linear-gradient(135deg,#ffffff,#f6f9ff)}
.cca-grade-card{background:linear-gradient(135deg,#7c3aed 0%,#2563eb 54%,#06b6d4 100%)}
.cca-score-box{background:linear-gradient(135deg,#2563eb 0%,#7c3aed 48%,#ec4899 100%)}
.cca-side-box:nth-child(2){background:linear-gradient(180deg,#ffffff,#f8f5ff)}
.cca-side-box:nth-child(3){background:linear-gradient(180deg,#ffffff,#f3fffb)}
.cca-question-card,.cca-info-card,.cca-support-card{border-radius:22px}
.cca-question-card{padding:22px;background:linear-gradient(180deg,#ffffff 0%,#fbfdff 100%)}
.cca-question-label{background:linear-gradient(135deg,#eaf3ff,#f6eeff);color:#3b49a1}
.cca-question-title{font-size:clamp(1.28rem,1.8vw,1.65rem)}
.cca-option-row{grid-template-columns:1fr;gap:10px}
.cca-option span{justify-content:flex-start;text-align:left;min-height:60px;padding:16px 18px;border-radius:18px;background:linear-gradient(180deg,#ffffff,#f9fbff)}
.cca-option:nth-child(1) span{border-left:6px solid var(--cca-sky)}
.cca-option:nth-child(2) span{border-left:6px solid var(--cca-mint)}
.cca-option:nth-child(3) span{border-left:6px solid var(--cca-peach)}
.cca-option input:checked + span{background:linear-gradient(135deg,#eef4ff,#fff4fb);border-color:#9dbbff;box-shadow:0 12px 22px rgba(79,70,229,.12)}
.cca-correct-box{background:linear-gradient(180deg,#fffdf7,#fff7e8);border:1px dashed #f8c86f;color:#7a5a11}
.cca-nav-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cca-nav-row .cca-btn{width:100%}
.cca-btn-primary{background:linear-gradient(135deg,#2563eb,#6d5efc)}
.cca-btn-secondary{background:linear-gradient(135deg,#dcfdf5,#ecfeff);color:#0f766e}
.cca-btn-ghost{background:linear-gradient(180deg,#ffffff,#f7faff)}
.cca-btn-accent{background:linear-gradient(135deg,#ffb347,#ff7a59)}
.cca-mini-list li:nth-child(1){background:linear-gradient(180deg,#ffffff,#f3f8ff)}
.cca-mini-list li:nth-child(2){background:linear-gradient(180deg,#ffffff,#f8f4ff)}
.cca-mini-list li:nth-child(3){background:linear-gradient(180deg,#ffffff,#f4fffb)}
.cca-mini-list li:nth-child(4){background:linear-gradient(180deg,#ffffff,#fff8f0)}
.cca-info-card:nth-child(1){background:linear-gradient(180deg,#ffffff,#f4f8ff)}
.cca-info-card:nth-child(2){background:linear-gradient(180deg,#ffffff,#fbf5ff)}
.cca-support-card{background:linear-gradient(180deg,#ffffff,#fefcff)}
.cca-writing-feedback{gap:12px}
.cca-feedback-item:nth-child(1){background:linear-gradient(180deg,#ffffff,#f3f8ff)}
.cca-feedback-item:nth-child(2){background:linear-gradient(180deg,#ffffff,#f4fff9)}
.cca-feedback-item:nth-child(3){background:linear-gradient(180deg,#ffffff,#fff6fb)}
.cca-practice{grid-template-columns:1fr}
.cca-header{gap:14px}
.cca-user-chip{background:linear-gradient(135deg,#ffffff,#f4f8ff)}
.cca-badge{background:linear-gradient(135deg,#dbeafe,#ede9fe);color:#3346a5}
.cca-inline-score{background:linear-gradient(135deg,#eaf2ff,#f3edff);color:#3246a3}
.cca-star.is-on{background:linear-gradient(180deg,#fff4c7,#ffd96b)}

@media (max-width:1120px){
  .cca-side-card{grid-template-columns:1fr}
}
@media (max-width:680px){
  .cca-nav-row{grid-template-columns:1fr}
}


.cca-stage-card{gap:20px}
.cca-student-banner{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:22px;padding:26px;border-radius:30px;background:linear-gradient(135deg,rgba(37,99,235,.92),rgba(124,58,237,.88));color:#fff;box-shadow:0 24px 50px rgba(37,99,235,.22)}
.cca-student-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,18,38,.18),rgba(12,18,38,.04));pointer-events:none}
.cca-student-banner > *{position:relative;z-index:1}
.cca-banner-copy{display:grid;gap:12px;align-content:start}
.cca-banner-chip{display:inline-flex;width:max-content;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.16);color:#fff;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.cca-banner-title{margin:0;font-size:clamp(1.8rem,2.6vw,3rem);line-height:1.05;letter-spacing:-.03em;color:#fff}
.cca-banner-text{margin:0;color:rgba(255,255,255,.92);font-size:15px;line-height:1.7;max-width:62ch}
.cca-banner-metrics{display:grid;gap:14px;align-content:start}
.cca-banner-box{padding:16px 18px;border-radius:22px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px)}
.cca-banner-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.78);font-weight:800;margin-bottom:8px}
.cca-banner-progress-top{display:flex;justify-content:space-between;gap:10px;align-items:center;color:#fff;font-weight:700;font-size:14px}
.cca-banner-progress{height:12px;border-radius:999px;background:rgba(255,255,255,.22);overflow:hidden;margin-top:10px}
.cca-banner-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#4dd4ac,#facc15,#fff);width:0;transition:width .35s ease}
.cca-banner-stars{display:flex;gap:8px;flex-wrap:wrap}
.cca-banner-stars .cca-star{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.14);color:rgba(255,255,255,.45);box-shadow:none}
.cca-banner-stars .cca-star.is-on{background:linear-gradient(180deg,#fff4c7,#ffd96b);color:#9a6400}
.cca-banner-photo{position:relative;min-height:220px;border-radius:24px;overflow:hidden;background:#c7d7ff}
.cca-banner-photo img{width:100%;height:100%;object-fit:cover}
.cca-banner-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,0) 0%,rgba(18,28,56,.08) 100%)}
.cca-header{display:none}
.cca-stage-shell{padding:22px 22px 24px}
.cca-stage-copy p,.cca-question-note,.cca-support-card p,.cca-info-card p{font-size:15px}
@media (max-width:1024px){.cca-student-banner{grid-template-columns:1fr}.cca-banner-photo{min-height:180px}}


.cca-app-wrap{width:min(1100px,calc(100vw - 24px));padding:12px}
.cca-app{padding:22px 22px 26px;border-radius:28px;background:linear-gradient(180deg,#f6f8fc 0%,#eef2f8 100%);box-shadow:0 18px 40px rgba(15,23,42,.08)}
.cca-main-grid{grid-template-columns:1fr;gap:18px}
.cca-side-card{display:none}
.cca-student-banner{grid-template-columns:1fr;gap:16px;padding:22px 22px 18px;border-radius:24px;background:linear-gradient(135deg,#1e3a8a,#334155)}
.cca-banner-photo{display:none}
.cca-banner-copy{gap:10px}
.cca-banner-title{font-size:clamp(1.65rem,2.4vw,2.3rem)}
.cca-banner-text{font-size:14px;max-width:62ch;color:rgba(255,255,255,.88)}
.cca-banner-metrics{grid-template-columns:1fr 1fr;display:grid;gap:12px}
.cca-banner-box{padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.10)}
.cca-banner-progress{height:10px}
.cca-banner-stars .cca-star{width:30px;height:30px;border-radius:10px;font-size:16px}
.cca-stage-card{gap:16px}
.cca-stage-shell{padding:24px;border-radius:24px;background:#fff;border:1px solid #e5e7eb;box-shadow:0 8px 24px rgba(15,23,42,.05)}
.cca-stage-header{gap:10px}
.cca-stage-kicker{color:#475569}
.cca-stage-copy h3{font-size:clamp(1.3rem,2vw,1.65rem);margin:0 0 6px}
.cca-stage-copy p{font-size:14px;line-height:1.65;color:#64748b}
.cca-stage-counter{padding:12px 14px;border-radius:16px;background:#f8fafc;border:1px solid #e2e8f0}
.cca-subprogress{height:8px;background:#e2e8f0}.cca-subprogress span{background:linear-gradient(90deg,#2563eb,#38bdf8)}
.cca-question-card,.cca-info-card,.cca-support-card,.cca-progress-card,.cca-grade-card{background:#fff;border:1px solid #e5e7eb;box-shadow:none}
.cca-layout,.cca-top-metrics,.cca-panel-grid,.cca-result-grid,.cca-practice,.cca-grid-2,.cca-option-row{grid-template-columns:1fr}
.cca-info-card,.cca-support-card,.cca-question-card{padding:18px;border-radius:18px}
.cca-question-label,.cca-inline-score,.cca-badge,.cca-banner-chip{background:#eff6ff;color:#1d4ed8;border:1px solid #dbeafe}
.cca-question-title{font-size:clamp(1.2rem,1.8vw,1.45rem);line-height:1.5}
.cca-question-note,.cca-small-muted,.cca-muted{font-size:14px;color:#64748b}
.cca-option span{min-height:58px;padding:14px 16px;border:1px solid #dbe3ee;background:#fff;border-radius:14px}
.cca-option:nth-child(1) span,.cca-option:nth-child(2) span,.cca-option:nth-child(3) span{border-left:4px solid #cbd5e1}
.cca-option input:checked + span{background:#eff6ff;border-color:#93c5fd;box-shadow:none}
.cca-btn{border-radius:14px;padding:13px 16px;font-size:15px}
.cca-btn-primary{background:#1d4ed8}.cca-btn-primary:hover{background:#1e40af}
.cca-btn-secondary{background:#f1f5f9;color:#0f172a}
.cca-btn-ghost{background:#fff;border:1px solid #dbe3ee}
.cca-btn-accent{background:#f59e0b}
.cca-nav-row{grid-template-columns:1fr 1fr}
.cca-correct-box{background:#f8fafc;border:1px dashed #cbd5e1;color:#475569}
.cca-score-box{background:#f8fafc;color:#0f172a;box-shadow:none;border:1px solid #e2e8f0}
.cca-score-box p{color:#475569}.cca-score-pill,.cca-grade-pill{background:#e0e7ff;color:#3730a3;box-shadow:none}
.cca-big-score{color:#0f172a}
.cca-feedback-item,.cca-side-box{background:#fff;border:1px solid #e5e7eb}
.cca-mini-list li,.cca-info-card:nth-child(1),.cca-info-card:nth-child(2),.cca-support-card,.cca-side-box:nth-child(2),.cca-side-box:nth-child(3),.cca-feedback-item:nth-child(1),.cca-feedback-item:nth-child(2),.cca-feedback-item:nth-child(3){background:#fff}
.cca-header{display:none}
@media (max-width:680px){.cca-app-wrap{width:calc(100vw - 10px);padding:5px}.cca-app{padding:14px}.cca-stage-shell{padding:18px}.cca-banner-metrics,.cca-nav-row{grid-template-columns:1fr}}


.cca-app-wrap{width:100%;max-width:100%;padding:0}
.cca-app{padding:0;background:linear-gradient(180deg,#f3f6fb 0%,#eef3fa 100%);border-radius:0;box-shadow:none;border:0;min-height:100vh}
.cca-app::before,.cca-app::after{display:none}
.cca-screen{gap:0}
.cca-student-banner{margin:0;border-radius:0;padding:28px 32px 26px;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 58%,#2563eb 100%);box-shadow:none}
.cca-banner-copy{gap:12px}
.cca-banner-chip{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.12);color:#fff}
.cca-banner-title{font-size:clamp(1.9rem,2.5vw,2.8rem)}
.cca-banner-text{max-width:78ch;color:rgba(255,255,255,.88)}
.cca-banner-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.cca-banner-box{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);border-radius:20px}
.cca-banner-label{color:rgba(255,255,255,.72)}
.cca-main-grid{padding:28px 32px 40px;grid-template-columns:minmax(0,1fr);gap:22px}
.cca-stage-card{gap:22px}
.cca-stage-shell{padding:26px 28px;border-radius:22px;background:#fff;border:1px solid #dbe4f0;box-shadow:0 14px 40px rgba(15,23,42,.06)}
.cca-stage-header{grid-template-columns:minmax(0,1fr) minmax(240px,.5fr);align-items:start}
.cca-stage-kicker{color:#1d4ed8}
.cca-stage-copy h3{font-size:clamp(1.45rem,2vw,1.9rem)}
.cca-stage-copy p{font-size:15px;color:#5b6b83}
.cca-stage-counter{background:#f8fbff;border:1px solid #dbe7f6}
.cca-top-metrics{grid-template-columns:1.15fr .85fr}
.cca-progress-card{background:linear-gradient(180deg,#ffffff,#f8fbff)}
.cca-grade-card{background:linear-gradient(135deg,#1d4ed8 0%,#2563eb 58%,#38bdf8 100%)}
.cca-layout{grid-template-columns:minmax(0,1.4fr) minmax(300px,.7fr);gap:18px}
.cca-question-card{padding:24px;border-radius:20px;min-height:0}
.cca-question-title{font-size:clamp(1.28rem,1.8vw,1.6rem)}
.cca-question-note{font-size:14px;color:#64748b}
.cca-option-row{grid-template-columns:1fr;gap:12px}
.cca-option span{border-radius:16px;min-height:62px;background:#fff;border:1px solid #d7e3f3}
.cca-option input:checked + span{background:linear-gradient(135deg,#eef4ff,#f6f3ff);border-color:#93c5fd;box-shadow:0 10px 20px rgba(37,99,235,.10)}
.cca-support-card,.cca-info-card{padding:20px;border-radius:20px;background:#fff;border:1px solid #dbe4f0}
.cca-nav-row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.cca-nav-row .cca-btn{width:auto;min-width:180px}
.cca-btn{border-radius:14px}
.cca-btn-primary{background:linear-gradient(135deg,#1d4ed8,#2563eb)}
.cca-btn-secondary{background:#eef4ff;color:#1d4ed8}
.cca-btn-ghost{background:#fff;border:1px solid #d7e3f3}
.cca-btn-accent{background:linear-gradient(135deg,#f59e0b,#f97316)}
.cca-score-box,.cca-side-box{display:none}
.cca-lms-header{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.8fr);gap:18px;margin-bottom:2px}
.cca-lms-course{display:grid;gap:14px;padding:22px 24px;border-radius:22px;background:#fff;border:1px solid #dbe4f0;box-shadow:0 10px 30px rgba(15,23,42,.05)}
.cca-lms-course-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
.cca-lms-course h2{margin:0;font-size:clamp(1.4rem,2vw,1.9rem);color:#14213d}
.cca-lms-course p{margin:0;color:#61708a;line-height:1.65}
.cca-lms-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef4ff;color:#1d4ed8;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.cca-lms-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.cca-lms-meta-card{padding:16px 18px;border-radius:18px;background:#f8fbff;border:1px solid #dbe7f6}
.cca-lms-meta-card span{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#64748b;margin-bottom:6px}
.cca-lms-meta-card strong{font-size:20px;color:#14213d}
.cca-lms-aside{display:grid;gap:14px}
.cca-lms-panel{padding:20px 22px;border-radius:22px;background:#fff;border:1px solid #dbe4f0;box-shadow:0 10px 30px rgba(15,23,42,.05)}
.cca-lms-panel h3{margin:0 0 10px;color:#14213d;font-size:18px}
.cca-lms-panel p,.cca-lms-panel li{margin:0;color:#61708a;line-height:1.65}
.cca-lms-panel ul{margin:10px 0 0 18px}
.cca-lms-progress{height:12px;border-radius:999px;background:#dbe7f6;overflow:hidden;margin-top:10px}
.cca-lms-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#14b8a6,#2563eb,#4f46e5)}
.cca-lms-stars{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.cca-lms-stars .cca-star{box-shadow:none;background:#f8fbff;border-color:#dbe7f6}
@media (max-width:1120px){.cca-banner-metrics,.cca-lms-header,.cca-top-metrics,.cca-layout,.cca-stage-header,.cca-lms-meta{grid-template-columns:1fr}.cca-main-grid{padding:22px 16px 30px}.cca-student-banner{padding:24px 16px}.cca-nav-row .cca-btn{width:100%}}


.cca-app{background:#f6f8fc}
.cca-student-banner{padding:16px 24px 14px;gap:12px;background:linear-gradient(135deg,#1d4ed8,#2563eb 72%,#38bdf8 100%)}
.cca-banner-title{font-size:clamp(1.45rem,2vw,2rem)}
.cca-banner-text{font-size:13px;line-height:1.55;max-width:68ch}
.cca-banner-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.cca-banner-box{padding:12px 14px;border-radius:16px}
.cca-banner-label{font-size:11px;margin-bottom:6px}
.cca-banner-progress-top{font-size:13px}
.cca-banner-stars .cca-star{width:28px;height:28px;font-size:15px}
.cca-main-grid{padding:20px 24px 36px;gap:18px}
.cca-lms-header{grid-template-columns:1fr;gap:14px;margin-bottom:0}
.cca-lms-course,.cca-lms-panel{box-shadow:none}
.cca-lms-course{padding:18px 20px;border-radius:18px}
.cca-lms-course-top{align-items:center}
.cca-lms-course h2{font-size:clamp(1.18rem,1.8vw,1.45rem)}
.cca-lms-course p{font-size:14px;line-height:1.6}
.cca-user-chip{padding:10px 12px;border-radius:14px;box-shadow:none}
.cca-avatar{width:38px;height:38px;border-radius:12px}
.cca-lms-meta{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.cca-lms-meta-card{padding:14px 16px;border-radius:16px;background:#f8fbff}
.cca-lms-meta-card strong{font-size:18px}
.cca-lms-aside{grid-template-columns:repeat(3,minmax(0,1fr));display:grid;gap:12px}
.cca-lms-panel{padding:16px 18px;border-radius:18px}
.cca-lms-panel h3{font-size:16px;margin-bottom:8px}
.cca-lms-panel p,.cca-lms-panel li{font-size:14px;line-height:1.55}
.cca-stage-card{gap:18px}
.cca-stage-shell{padding:0;border:0;background:transparent;box-shadow:none}
.cca-stage-header{display:none}
.cca-stage-section{display:grid;gap:14px;padding:22px 24px;border-radius:22px;background:#fff;border:1px solid #dbe4f0;box-shadow:0 10px 28px rgba(15,23,42,.05)}
.cca-stage-label{display:inline-flex;align-items:center;gap:8px;width:max-content;padding:8px 12px;border-radius:999px;background:#eef4ff;color:#1d4ed8;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.cca-stage-title-row{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;flex-wrap:wrap}
.cca-stage-title-row h3{margin:0;color:#14213d;font-size:clamp(1.25rem,1.8vw,1.55rem)}
.cca-stage-title-row p{margin:6px 0 0;color:#61708a;font-size:14px;line-height:1.6;max-width:70ch}
.cca-stage-mini-progress{min-width:220px;padding:14px 16px;border-radius:18px;background:#f8fbff;border:1px solid #dbe7f6}
.cca-stage-mini-progress strong{display:block;color:#14213d;font-size:14px;margin-bottom:8px}
.cca-stage-mini-progress span{display:block;color:#61708a;font-size:13px;margin-top:8px}
.cca-layout{grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:16px}
.cca-question-card,.cca-info-card,.cca-support-card{padding:20px;border-radius:18px;box-shadow:none;border:1px solid #dbe4f0}
.cca-question-card{gap:14px}
.cca-question-title{font-size:clamp(1.18rem,1.7vw,1.42rem);line-height:1.45}
.cca-question-note{font-size:13px}
.cca-option span{min-height:58px;padding:14px 16px;border-radius:14px}
.cca-nav-row{padding-top:6px;border-top:1px solid #edf2f7}
.cca-nav-row .cca-btn{min-width:160px}
.cca-info-card h4,.cca-support-card h4{font-size:17px}
.cca-correct-box{border-radius:14px}
.cca-result-grid{gap:16px}
.cca-score-box{padding:20px;border-radius:20px}
.cca-feedback-item{border-radius:14px}
@media (max-width:1120px){.cca-banner-metrics,.cca-lms-meta,.cca-lms-aside,.cca-layout,.cca-stage-title-row{grid-template-columns:1fr}.cca-stage-title-row{display:grid}.cca-stage-mini-progress{min-width:0}}
@media (max-width:680px){.cca-student-banner,.cca-main-grid{padding-left:14px;padding-right:14px}.cca-stage-section{padding:18px}.cca-banner-metrics,.cca-lms-meta,.cca-lms-aside,.cca-nav-row{grid-template-columns:1fr}.cca-nav-row .cca-btn{width:100%;min-width:0}}


.cca-app-wrap{width:100%;max-width:100%;padding:0;background:#eef3fb}
.cca-app{padding:0;background:#eef3fb;min-height:100vh}
.cca-screen{display:grid;grid-template-columns:260px minmax(0,1fr);gap:0;min-height:100vh}
.cca-student-banner{display:none}
.cca-shell-sidebar{background:linear-gradient(180deg,#1f1b56 0%,#231f63 100%);padding:22px 16px;display:grid;grid-template-rows:auto 1fr auto;gap:18px;color:#fff;min-height:100vh;position:sticky;top:0}
.cca-brand{display:flex;align-items:center;gap:12px;padding:8px 10px}
.cca-brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#7c5cff,#5ce1e6);display:grid;place-items:center;font-weight:800;color:#fff;box-shadow:0 10px 20px rgba(92,225,230,.20)}
.cca-brand-copy strong{display:block;font-size:16px}.cca-brand-copy span{display:block;font-size:12px;color:rgba(255,255,255,.68)}
.cca-side-nav{display:grid;gap:10px;align-content:start}
.cca-side-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;color:rgba(255,255,255,.82);text-decoration:none;font-weight:600;background:transparent;border:1px solid transparent}
.cca-side-link.is-active{background:linear-gradient(135deg,#5b47ff,#7c5cff);color:#fff;box-shadow:0 12px 24px rgba(91,71,255,.26)}
.cca-side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.cca-side-dot{width:10px;height:10px;border-radius:999px;background:currentColor;opacity:.9}
.cca-side-footer{display:grid;gap:12px}
.cca-exit-btn{appearance:none;border:none;border-radius:14px;padding:13px 14px;background:rgba(255,255,255,.10);color:#fff;font-weight:700;cursor:pointer;text-align:left}
.cca-exit-btn:hover{background:rgba(255,255,255,.16)}
.cca-main-panel{padding:24px;display:grid;gap:20px}
.cca-topbar{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:18px;align-items:start}
.cca-welcome-card{padding:24px 26px;border-radius:24px;background:#fff;border:1px solid #dee7f4;box-shadow:0 14px 40px rgba(15,23,42,.05)}
.cca-welcome-card h1{margin:0 0 8px;font-size:clamp(1.55rem,2.2vw,2.3rem);line-height:1.08;color:#16223b}
.cca-welcome-card p{margin:0;color:#64748b;line-height:1.65}
.cca-course-hero{margin-top:18px;padding:22px;border-radius:22px;background:linear-gradient(135deg,#5b47ff 0%,#6d5efc 52%,#8b5cf6 100%);color:#fff;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center}
.cca-course-hero small{display:block;font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:rgba(255,255,255,.76);margin-bottom:8px}
.cca-course-hero h2{margin:0 0 8px;font-size:clamp(1.3rem,1.8vw,1.7rem)}
.cca-course-hero p{margin:0;color:rgba(255,255,255,.88);max-width:58ch;line-height:1.65}
.cca-course-hero .cca-btn{background:#fff;color:#4c33ea;box-shadow:none}
.cca-top-stats{display:grid;gap:14px}
.cca-stat-card{padding:20px 22px;border-radius:22px;background:#fff;border:1px solid #dee7f4;box-shadow:0 14px 40px rgba(15,23,42,.05)}
.cca-stat-card h3{margin:0 0 8px;font-size:16px;color:#16223b}
.cca-stat-card p,.cca-stat-card li{margin:0;color:#64748b;line-height:1.6}
.cca-stat-card ul{margin:10px 0 0 18px}
.cca-stat-number{font-size:32px;font-weight:800;line-height:1;color:#4c33ea;margin:10px 0 4px}
.cca-inline-stars{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.cca-inline-stars .cca-star{box-shadow:none;background:#f4f7ff;border-color:#dbe5f4}
.cca-stage-card{gap:18px}
.cca-stage-section{padding:0;background:transparent;border:0;box-shadow:none;gap:16px}
.cca-activity-card{padding:24px;border-radius:24px;background:#fff;border:1px solid #dee7f4;box-shadow:0 14px 40px rgba(15,23,42,.05)}
.cca-stage-label{background:#eef2ff;color:#4c33ea}
.cca-stage-title-row{margin-bottom:18px}
.cca-stage-title-row h3{font-size:clamp(1.35rem,1.8vw,1.65rem)}
.cca-stage-mini-progress{background:#f8faff;border:1px solid #dde7f8}
.cca-layout{grid-template-columns:minmax(0,1.35fr) minmax(300px,.7fr);gap:18px}
.cca-question-card,.cca-info-card,.cca-support-card,.cca-progress-card,.cca-grade-card,.cca-lms-course,.cca-lms-panel{padding:20px;border-radius:22px;background:#fff;border:1px solid #dee7f4;box-shadow:0 12px 32px rgba(15,23,42,.04)}
.cca-question-card{gap:16px}.cca-question-title{font-size:clamp(1.18rem,1.7vw,1.45rem)}
.cca-option span{background:#fff;border:1px solid #d6e1f2;border-radius:16px}
.cca-option input:checked + span{background:linear-gradient(135deg,#f1efff,#eef6ff);border-color:#a395ff;box-shadow:0 12px 24px rgba(91,71,255,.10)}
.cca-nav-row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.cca-nav-row .cca-btn{min-width:170px}
.cca-btn-primary{background:linear-gradient(135deg,#5b47ff,#6d5efc)}
.cca-btn-secondary{background:#eef2ff;color:#4c33ea}
.cca-btn-ghost{background:#fff;border:1px solid #d6e1f2}
.cca-btn-accent{background:linear-gradient(135deg,#ffb347,#ff8b3d)}
.cca-correct-box{background:#fff9ed;border:1px dashed #ffc067;color:#8a5a16}
.cca-lms-header{display:none}
@media (max-width:1180px){.cca-screen{grid-template-columns:1fr}.cca-shell-sidebar{position:relative;min-height:auto;border-bottom-left-radius:24px;border-bottom-right-radius:24px}.cca-topbar,.cca-layout{grid-template-columns:1fr}.cca-main-panel{padding:16px}.cca-course-hero{grid-template-columns:1fr}.cca-nav-row .cca-btn{width:100%;min-width:0}}
@media (max-width:760px){.cca-shell-sidebar{padding:18px 14px}.cca-main-panel{padding:14px}.cca-welcome-card,.cca-activity-card,.cca-stat-card,.cca-question-card,.cca-info-card,.cca-support-card{padding:18px}.cca-side-nav{grid-template-columns:1fr 1fr;display:grid}.cca-side-link{padding:10px 12px;font-size:14px}}

.cca-side-link{appearance:none;border:none;text-align:left;cursor:pointer;width:100%;font:inherit}


.cca-compact-topbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;margin-bottom:18px;padding:14px 18px;border-radius:18px;background:#fff;border:1px solid #dee7f4;box-shadow:0 10px 28px rgba(15,23,42,.04)}
.cca-compact-progress{display:grid;gap:8px}.cca-compact-progress > div:first-child{display:flex;justify-content:space-between;gap:12px;align-items:center}
.cca-compact-progress strong,.cca-compact-stars strong{font-size:14px;color:#16223b}
.cca-compact-progress span{font-size:14px;color:#64748b;font-weight:700}
.cca-compact-stars{display:grid;gap:8px;justify-items:end}
.cca-home-panel{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:18px;margin-bottom:18px}
@media (max-width:1180px){.cca-compact-topbar,.cca-home-panel{grid-template-columns:1fr}.cca-compact-stars{justify-items:start}}