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var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;padding:2rem;display:flex;position:absolute;inset:0}.flashcard-front{text-align:center;justify-content:center;align-items:center}.flashcard-front:before{content:"";background:var(--accent-gradient);border-radius:var(--radius-lg) var(--radius-lg) 0 0;height:3px;position:absolute;top:0;left:0;right:0}.flashcard-back{overflow-y:auto;transform:rotateY(180deg)}.card-question{font-size:1.25rem;font-weight:500;line-height:1.5}.card-meta{justify-content:space-between;display:flex;position:absolute;top:1rem;left:1rem;right:1rem}.difficulty-badge{text-transform:uppercase;letter-spacing:.05em;border-radius:4px;padding:.25rem 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svg{width:24px;height:24px}.voice-btn:hover{background-color:#3d435c80}.voice-btn.listening{border-color:var(--error-color);color:var(--error-color);background-color:#e4585833;animation:1.5s infinite pulse-ring}@keyframes pulse-ring{0%{box-shadow:0 0 #e4585866}70%{box-shadow:0 0 0 10px #e4585800}to{box-shadow:0 0 #e4585800}}.voice-indicator{color:var(--error-color);text-align:center;font-size:.75rem;font-weight:500}.evaluation-card{flex-direction:column;gap:1.5rem;height:100%;display:flex}.eval-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:flex-start;padding-bottom:1rem;display:flex}.verdict-badge{border-radius:var(--radius-lg);text-transform:uppercase;align-items:center;gap:.5rem;padding:.5rem 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1rem}.weak-spots-list{flex-wrap:wrap;gap:.5rem;display:flex}.weak-spot-item{color:#ed9191;border-radius:var(--radius-md);background-color:#e458581a;padding:.375rem .75rem;font-size:.875rem}.results-actions{justify-content:center;gap:1rem;display:flex}.progress-ring{transform:rotate(-90deg)}.progress-ring-bg{fill:#0000;stroke:var(--surface-elevated)}.progress-ring-fill{fill:#0000;stroke:url(#ring-gradient);stroke-linecap:round;transition:stroke-dashoffset 1s ease-out}.progress-ring-text{fill:var(--text-primary);font-family:inherit;font-weight:700;transform:rotate(90deg)}.loading-spinner{border:3px solid #995af233;border-top-color:#995af2;border-radius:50%;width:40px;height:40px;margin:2rem auto;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.notice{border-radius:var(--radius-sm);margin-bottom:1.5rem;padding:1rem;font-size:.875rem}.notice.success{border:1px solid var(--success-color);color:#96e9c2;background-color:#35d48a1a}.notice.error{border:1px solid var(--error-color);color:#ed9191;background-color:#e458581a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (width<=1024px){.page-container{padding:0 1rem}}@media (width<=768px){.app-layout{flex-direction:column}.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-toggle,.sidebar-overlay.open{display:block}.main-content{margin-left:0;padding-top:4rem}.dashboard-hero h1{font-size:2rem}.results-card{padding:1.5rem}.results-breakdown{flex-direction:column;gap:1rem}}