:root{--bg-void: #050609;--bg-page: #08090F;--bg-surface: #0D0F17;--bg-surface-secondary: #12141E;--bg-surface-muted: #1A1D2A;--bg-surface-raised: #212536;--border-subtle: rgba(255, 255, 255, .06);--border-prominent: rgba(255, 255, 255, .11);--border-strong: rgba(255, 255, 255, .2);--text-main: #F2F3F7;--text-secondary: #A2A7BA;--text-muted: #6C7288;--text-faint: #4A4F63;--text-inverse: #08090F;--color-action: #6E5DE7;--color-action-hover: #8878F1;--color-action-active: #5A49D4;--color-action-subtle: rgba(110, 93, 231, .13);--color-action-ring: rgba(110, 93, 231, .32);--color-brand-primary: #F2F3F7;--color-brand-secondary: #C3BCF7;--color-brand-tertiary: #8878F1;--color-gold: #DFB369;--color-gold-bg: rgba(223, 179, 105, .12);--color-gold-border: rgba(223, 179, 105, .32);--color-success: #3DD68C;--color-success-hover: #6FE3AA;--color-success-bg: rgba(61, 214, 140, .11);--color-success-border: rgba(61, 214, 140, .3);--color-warning: #E8B34A;--color-warning-hover: #F2C76E;--color-warning-bg: rgba(232, 179, 74, .11);--color-warning-border: rgba(232, 179, 74, .3);--color-danger: #F2656A;--color-danger-hover: #F78B8F;--color-danger-bg: rgba(242, 101, 106, .11);--color-danger-border: rgba(242, 101, 106, .3);--color-accent-indigo: #8878F1;--color-accent-indigo-bg: rgba(110, 93, 231, .13);--color-accent-indigo-border: rgba(110, 93, 231, .34);--color-accent-cyan: #4FD1E0;--color-accent-cyan-bg: rgba(79, 209, 224, .11);--color-accent-cyan-border: rgba(79, 209, 224, .3);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Instrument Serif", Georgia, "Times New Roman", serif;--font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;--text-2xs: .6875rem;--text-xs: .75rem;--text-sm: .8125rem;--text-base: .875rem;--text-md: .9375rem;--text-lg: 1.0625rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.9375rem;--text-4xl: 2.5rem;--leading-tight: 1.2;--leading-snug: 1.35;--leading-normal: 1.55;--leading-relaxed: 1.7;--tracking-tight: -.022em;--tracking-snug: -.012em;--tracking-wide: .06em;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .4);--shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, .5), 0 1px 3px -1px rgba(0, 0, 0, .35);--shadow-md: 0 10px 24px -8px rgba(0, 0, 0, .6), 0 3px 8px -3px rgba(0, 0, 0, .4);--shadow-lg: 0 24px 48px -14px rgba(0, 0, 0, .68), 0 8px 18px -8px rgba(0, 0, 0, .45);--shadow-xl: 0 40px 80px -20px rgba(0, 0, 0, .75), 0 14px 30px -12px rgba(0, 0, 0, .5);--shadow-modal: 0 40px 90px -18px rgba(0, 0, 0, .8), 0 16px 32px -10px rgba(0, 0, 0, .55);--shadow-glow-brand: 0 0 0 1px rgba(110, 93, 231, .34), 0 18px 40px -10px rgba(110, 93, 231, .45);--shadow-inset-top: inset 0 1px 0 0 rgba(255, 255, 255, .06);--shadow-inset-strong: inset 0 1px 0 0 rgba(255, 255, 255, .1);--radius-xs: 5px;--radius-sm: 8px;--radius-md: 11px;--radius-lg: 16px;--radius-xl: 22px;--radius-full: 999px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--shell-max: 1280px;--rail-width: 244px;--ease-standard: cubic-bezier(.22, 1, .36, 1);--ease-entrance: cubic-bezier(.16, 1, .3, 1);--duration-fast: .13s;--duration-base: .24s;--duration-slow: .45s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;color-scheme:dark}body{font-family:var(--font-sans);background-color:var(--bg-page);background-image:radial-gradient(72rem 40rem at 12% -12%,rgba(110,93,231,.18),transparent 60%),radial-gradient(60rem 36rem at 92% -6%,rgba(79,209,224,.09),transparent 62%),radial-gradient(90rem 50rem at 50% 118%,rgba(110,93,231,.1),transparent 60%),radial-gradient(circle at 50% 40%,transparent 55%,rgba(5,6,9,.6) 100%);background-attachment:fixed;background-repeat:no-repeat;color:var(--text-main);line-height:var(--leading-normal);font-size:var(--text-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"cv02","cv03","cv04","cv11";min-height:100vh;letter-spacing:var(--tracking-snug)}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;opacity:.4;background-image:radial-gradient(rgba(255,255,255,.035) .5px,transparent .5px);background-size:22px 22px}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--text-main);font-weight:600;line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);text-wrap:balance}.serif-title{font-family:var(--font-display);font-weight:400;letter-spacing:-.015em;line-height:1.08}.eyebrow{font-size:var(--text-2xs);font-weight:600;text-transform:uppercase;letter-spacing:var(--tracking-wide);color:var(--text-muted)}button,input,select,textarea{font-family:inherit;font-size:.875rem}a{color:var(--color-brand-secondary);text-decoration:none;transition:color var(--duration-fast) ease}a:hover{text-decoration:underline}:focus{outline:none}:focus-visible{outline:2px solid var(--color-action-hover);outline-offset:2px;border-radius:var(--radius-xs)}.btn:focus-visible,.palette-btn:focus-visible,.option-card:focus-visible,.icon-btn:focus-visible,.nav-item:focus-visible{outline:2px solid var(--color-action-hover);outline-offset:2px;box-shadow:0 0 0 4px var(--color-action-ring)}::selection{background-color:#6e5de773;color:#fff}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--border-strong);border-radius:var(--radius-full);border:2px solid var(--bg-page);background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background-color:var(--text-muted);background-clip:padding-box}.app-container{display:flex;flex-direction:column;min-height:100vh;background-color:transparent;position:relative}.main-content{flex:1;padding:2rem 1.5rem;max-width:1200px;margin:0 auto;width:100%;animation:fadeIn var(--duration-base) var(--ease-standard) both;position:relative;z-index:1}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.96) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{to{transform:translate(100%)}}@keyframes toastSlidePop{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes pulseDot{0%,to{opacity:1}50%{opacity:.35}}@keyframes badgeDotRing{0%{box-shadow:0 0 0 0 currentColor;opacity:1}70%{box-shadow:0 0 0 4px transparent;opacity:.4}to{box-shadow:0 0 0 0 transparent;opacity:1}}@keyframes timerCriticalPulse{0%,to{box-shadow:0 0 #f8717147}50%{box-shadow:0 0 0 6px #f8717100}}@keyframes floatY{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.animate-slide-up,.animate-question{animation:fadeIn .2s var(--ease-standard) both}.stagger-1{animation-delay:.03s}.stagger-2{animation-delay:.06s}.stagger-3{animation-delay:.09s}.stagger-4{animation-delay:.12s}.pulse-dot-live{animation:pulseDot 1.8s ease-in-out infinite}.timer-critical-pulse{animation:timerCriticalPulse 1.4s ease-in-out infinite}.auth-icon-badge{position:relative}.auth-icon-badge:before{content:"";position:absolute;top:-18px;right:-18px;bottom:-18px;left:-18px;background:radial-gradient(circle,#6366f173,#6366f100 70%);z-index:-1;animation:pulseDot 3.2s ease-in-out infinite}.glass-panel{position:relative;background:linear-gradient(168deg,#ffffff0e,#ffffff03 42%),#0d0f17b8;backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);border:1px solid var(--border-prominent);box-shadow:var(--shadow-inset-strong),var(--shadow-lg)}.glass-panel:after{content:"";position:absolute;inset:0 0 auto 0;height:1px;border-radius:inherit;background:linear-gradient(90deg,transparent,rgba(136,120,241,.55) 22%,rgba(195,188,247,.7) 50%,rgba(136,120,241,.55) 78%,transparent);pointer-events:none}.tilt-wrap{perspective:1400px}.tilt-card{transform-style:preserve-3d;will-change:transform;transition:transform .5s var(--ease-standard),box-shadow var(--duration-base) ease}.tilt-card__glare{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity var(--duration-base) ease;background:radial-gradient(circle at var(--glare-x, 50%) var(--glare-y, 50%),rgba(255,255,255,.16),transparent 55%)}.tilt-card:hover .tilt-card__glare{opacity:1}.hero-canvas-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none}.hero-canvas-layer canvas{outline:none}.card{position:relative;background:linear-gradient(170deg,var(--bg-surface),var(--bg-surface-secondary));border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-inset-top),var(--shadow-sm);padding:1.35rem 1.5rem;transition:border-color var(--duration-base) var(--ease-standard),box-shadow var(--duration-base) var(--ease-standard),transform var(--duration-base) var(--ease-standard)}.card-hover:hover,.card-interactive:hover{border-color:var(--border-prominent);box-shadow:var(--shadow-inset-strong),var(--shadow-lg);transform:translateY(-2px)}.card-interactive:active{transform:translateY(0)}.page-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:.25rem}.page-header__title{font-size:1.35rem;font-weight:700;color:var(--text-main);letter-spacing:-.02em}.page-header__subtitle{color:var(--text-secondary);font-size:.8125rem;margin-top:.25rem;max-width:640px;line-height:1.5}.page-header__actions{display:flex;gap:.65rem;flex-wrap:wrap}.stat-tile{display:flex;justify-content:space-between;align-items:flex-start;padding:1rem;gap:.75rem;position:relative;overflow:hidden}.stat-tile__label{font-size:.6875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.stat-tile__value{font-size:1.5rem;font-weight:700;color:var(--text-main);margin-top:.25rem;font-family:var(--font-heading);line-height:1.2}.stat-tile__meta{font-size:.75rem;color:var(--text-muted);margin-top:.5rem}.stat-tile__icon{background:linear-gradient(145deg,#6366f138,#6366f10f);color:var(--color-brand-secondary);padding:.55rem;border-radius:var(--radius-md);display:inline-flex;flex-shrink:0;box-shadow:var(--shadow-inset-top),0 2px 6px #00000059;transition:transform var(--duration-base) var(--ease-standard)}.stat-tile:hover .stat-tile__icon{transform:scale(1.08) rotate(-3deg)}.state-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:3.5rem 1.5rem;color:var(--text-secondary);font-size:.875rem}.spinner{display:inline-block;border:2.5px solid var(--border-subtle);border-top-color:var(--color-action);border-radius:50%;animation:spin .7s linear infinite}.spinner-sm{width:1.1rem;height:1.1rem;border-width:2px}.spinner-md{width:1.75rem;height:1.75rem}.spinner-lg{width:2.25rem;height:2.25rem;border-width:3px}.spinner-on-solid{border-color:#ffffff59;border-top-color:#fff}.skeleton{position:relative;overflow:hidden;background-color:var(--bg-surface-secondary);border-radius:var(--radius-sm)}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent);animation:shimmer 1.4s infinite}.error-banner{display:flex;align-items:center;gap:.5rem;background-color:var(--color-danger-bg);border:1px solid var(--color-danger-border);color:var(--color-danger);padding:.7rem .9rem;border-radius:var(--radius-sm);font-size:.84rem}.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;font-weight:500;font-size:var(--text-sm);letter-spacing:-.005em;padding:.55rem .95rem;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-decoration:none;-webkit-user-select:none;user-select:none;line-height:1.25;white-space:nowrap;isolation:isolate;transition:background-color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-base) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}.btn:active:not(:disabled){transform:translateY(.5px) scale(.985)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:linear-gradient(175deg,var(--color-action-hover),var(--color-action) 62%,var(--color-action-active));color:#fff;border-color:#8878f199;box-shadow:inset 0 1px #ffffff38,0 1px 2px #0006,0 6px 18px -8px #6e5de7b3}.btn-primary:hover:not(:disabled){background:linear-gradient(175deg,#9C8DF5,var(--color-action-hover) 62%,var(--color-action));border-color:#a396f8bf;box-shadow:inset 0 1px #ffffff47,0 2px 4px #0006,0 14px 32px -10px #6e5de7cc;transform:translateY(-1px)}.btn-secondary{background:linear-gradient(175deg,var(--bg-surface-muted),var(--bg-surface-secondary));color:var(--text-main);border-color:var(--border-prominent);box-shadow:var(--shadow-inset-top),var(--shadow-xs)}.btn-secondary:hover:not(:disabled){background:linear-gradient(175deg,var(--bg-surface-raised),var(--bg-surface-muted));border-color:var(--border-strong);box-shadow:var(--shadow-inset-strong),var(--shadow-sm);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-secondary);border-color:transparent}.btn-ghost:hover:not(:disabled){background-color:var(--bg-surface-muted);color:var(--text-main)}.btn-success{background:linear-gradient(175deg,var(--color-success-hover),var(--color-success) 65%,#24B473);color:#04291a;border-color:#3dd68c8c;font-weight:600;box-shadow:inset 0 1px #ffffff4d,0 1px 2px #0006,0 6px 18px -8px #3dd68c8c}.btn-success:hover:not(:disabled){box-shadow:inset 0 1px #ffffff5c,0 14px 32px -10px #3dd68cb3;transform:translateY(-1px)}.btn-danger{background:linear-gradient(175deg,var(--color-danger-hover),var(--color-danger) 65%,#D8474C);color:#2c0708;border-color:#f2656a8c;font-weight:600;box-shadow:inset 0 1px #ffffff47,0 1px 2px #0006,0 6px 18px -8px #f2656a8c}.btn-danger:hover:not(:disabled){box-shadow:inset 0 1px #ffffff57,0 14px 32px -10px #f2656ab3;transform:translateY(-1px)}.btn-sm{padding:.4rem .7rem;font-size:var(--text-xs);border-radius:var(--radius-xs);gap:.35rem}.btn-lg{padding:.75rem 1.4rem;font-size:var(--text-base);border-radius:var(--radius-md)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:2.1rem;height:2.1rem;padding:0;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background-color:var(--bg-surface-secondary);color:var(--text-secondary);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard),box-shadow var(--duration-base) var(--ease-standard)}.icon-btn:hover:not(:disabled){background-color:var(--bg-surface-muted);border-color:var(--border-prominent);color:var(--text-main);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.icon-btn:active:not(:disabled){transform:translateY(0) scale(.95)}.icon-btn:disabled{opacity:.35;cursor:not-allowed}.icon-btn--ghost{border-color:transparent;background-color:transparent}.icon-btn--ghost:hover:not(:disabled){background-color:var(--bg-surface-muted);border-color:var(--border-subtle)}.icon-btn--danger{color:var(--color-danger)}.icon-btn--danger:hover:not(:disabled){background-color:var(--color-danger-bg);border-color:var(--color-danger-border);color:var(--color-danger-hover)}.badge{display:inline-flex;align-items:center;gap:.35rem;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;padding:.25rem .6rem;border-radius:var(--radius-full);line-height:1.2;white-space:nowrap;transition:transform var(--duration-fast) ease}.form-group{margin-bottom:1rem}.form-input,.form-select,.form-textarea{width:100%;padding:.6rem .8rem;border:1px solid var(--border-prominent);border-radius:var(--radius-sm);background-color:#00000038;color:var(--text-main);font-size:var(--text-base);line-height:1.45;box-shadow:inset 0 1px 2px #0000004d;transition:border-color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-base) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard)}.form-textarea{resize:vertical;min-height:4.5rem}.form-input:hover:not(:disabled):not(:focus),.form-select:hover:not(:disabled):not(:focus),.form-textarea:hover:not(:disabled):not(:focus){border-color:var(--border-strong)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-action-hover);background-color:#0000004d;box-shadow:inset 0 1px 2px #0000004d,0 0 0 3px var(--color-action-ring)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-faint)}.form-input:disabled,.form-select:disabled,.form-textarea:disabled{background-color:var(--bg-surface);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-muted) 50%),linear-gradient(135deg,var(--text-muted) 50%,transparent 50%);background-position:calc(100% - 17px) calc(50% + 1px),calc(100% - 12px) calc(50% + 1px);background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:2.1rem}.form-select option{background-color:var(--bg-surface-secondary);color:var(--text-main)}.form-label{display:block;font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);margin-bottom:.4rem;letter-spacing:-.005em}.form-hint{font-size:.72rem;color:var(--text-muted);margin-top:.3rem;line-height:1.45}.form-input[aria-invalid=true],.form-select[aria-invalid=true],.form-textarea[aria-invalid=true]{border-color:var(--color-danger-border)}.form-input[aria-invalid=true]:focus,.form-select[aria-invalid=true]:focus,.form-textarea[aria-invalid=true]:focus{border-color:var(--color-danger);box-shadow:0 0 0 3.5px #f871712e}.input-affix{position:relative;display:flex;align-items:center}.input-affix__icon{position:absolute;left:.75rem;color:var(--text-muted);pointer-events:none}.input-affix__field{padding-left:2.25rem}.input-affix__field--trailing{padding-right:2.5rem}.input-affix__action{position:absolute;right:.4rem;display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;border:none;border-radius:var(--radius-xs);background:transparent;color:var(--text-muted);cursor:pointer;transition:color var(--duration-fast) ease,background-color var(--duration-fast) ease}.input-affix__action:hover{color:var(--text-main);background-color:var(--bg-surface-muted)}.auth-shell{min-height:100vh;display:flex;flex-direction:column;position:relative;overflow:hidden}.auth-grid{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:3rem 1.5rem;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:4rem;position:relative;z-index:1}.auth-story{position:relative;animation:authRise .7s var(--ease-entrance) both}.auth-story:before{content:"";position:absolute;top:-12%;right:-18%;bottom:-12%;left:-18%;z-index:-1;background:radial-gradient(58% 52% at 38% 50%,rgba(8,9,15,.88),transparent 74%);pointer-events:none}.auth-story__title{font-size:clamp(2.5rem,4.6vw,3.75rem);color:var(--text-main);margin:.85rem 0 0}.auth-story__title em{font-style:italic;color:var(--color-brand-secondary)}.auth-story__lede{color:var(--text-secondary);font-size:var(--text-md);line-height:var(--leading-relaxed);max-width:36ch;margin-top:1.1rem}.auth-story__list{list-style:none;margin-top:2.25rem;display:flex;flex-direction:column;gap:1.1rem;max-width:42ch}.auth-story__item{display:flex;gap:.85rem;align-items:flex-start;font-size:var(--text-sm);animation:authRise .7s var(--ease-entrance) 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.5rem;border-radius:var(--radius-xs);font-size:var(--text-2xs);font-weight:600;font-family:var(--font-mono);background-color:var(--bg-surface-muted);border:1px solid var(--border-subtle);color:var(--text-secondary);white-space:nowrap}.self-tag{margin-left:.4rem;font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--color-brand-secondary);background-color:var(--color-action-subtle);border:1px solid var(--color-accent-indigo-border);border-radius:var(--radius-full);padding:.05rem .4rem;vertical-align:middle}.backup-card{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.5rem;padding:1.6rem 1.75rem}.backup-card__eyebrow{display:flex;align-items:center;gap:.4rem;color:var(--color-success);font-weight:700;font-size:var(--text-2xs);text-transform:uppercase;letter-spacing:var(--tracking-wide)}.backup-card__title{font-size:var(--text-lg);font-weight:600;color:var(--text-main);margin-top:.35rem}.backup-card__desc{color:var(--text-secondary);font-size:var(--text-sm);margin-top:.35rem;max-width:620px;line-height:var(--leading-normal)}.backup-card__warning{display:flex;align-items:center;gap:.35rem;color:var(--color-warning);font-size:var(--text-xs);margin-top:.6rem;line-height:var(--leading-normal)}.student-hero__identity{min-width:0}@media (max-width: 640px){.form-row,.form-row--3{grid-template-columns:minmax(0,1fr)}}.palette-btn{position:relative;width:100%;aspect-ratio:1;min-height:2.1rem;border-radius:var(--radius-sm);font-weight:500;font-size:var(--text-xs);font-family:var(--font-mono);display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border-subtle);cursor:pointer;background-color:var(--bg-surface-muted);color:var(--text-secondary);transition:background-color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}.palette-btn:hover{border-color:var(--border-strong);background-color:var(--bg-surface-raised);color:var(--text-main);transform:translateY(-1px)}.palette-btn.answered{background-color:var(--color-success);color:#04291a;border-color:var(--color-success);font-weight:600}.palette-btn.marked{background-color:var(--color-warning-bg);color:var(--color-warning);border-color:var(--color-warning-border)}.palette-btn.answered.marked{background-color:var(--color-success);color:#04291a;border-color:var(--color-warning);box-shadow:inset 0 0 0 2px var(--color-warning)}.palette-btn.active{background-color:var(--color-action);border-color:var(--color-action-hover);color:#fff;font-weight:600;transform:scale(1.06);box-shadow:0 0 0 3px var(--color-action-ring)}.option-card{display:flex;align-items:center;gap:.85rem;padding:.85rem 1rem;border-radius:var(--radius-md);border:1px solid var(--border-prominent);background:linear-gradient(170deg,var(--bg-surface-secondary),var(--bg-surface));cursor:pointer;box-shadow:var(--shadow-inset-top);transition:border-color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard),box-shadow var(--duration-base) var(--ease-standard)}.option-card:hover{border-color:var(--border-strong);background:linear-gradient(170deg,var(--bg-surface-muted),var(--bg-surface-secondary))}.option-card.selected{border-color:var(--color-action-hover);background:linear-gradient(170deg,var(--color-action-subtle),rgba(110,93,231,.05));box-shadow:var(--shadow-inset-top),0 0 0 1px var(--color-action-hover)}.auth-shell--admin{--color-action: #2E8FA6;--color-action-hover: #41A9C2;--color-action-active: #24788C;--color-action-subtle: rgba(46, 143, 166, .14);--color-action-ring: rgba(46, 143, 166, .34);--color-brand-secondary: #A9D6E2;background-color:var(--bg-void)}.auth-shell--admin:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background:radial-gradient(60rem 34rem at 50% -14%,rgba(46,143,166,.14),transparent 62%),radial-gradient(48rem 30rem at 50% 118%,rgba(223,179,105,.06),transparent 62%)}.admin-auth{flex:1;position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.25rem;padding:3rem 1.5rem}.admin-auth__panel{width:100%;max-width:430px;padding:2rem 2rem 1.6rem;border-radius:var(--radius-lg);border:1px solid var(--border-prominent);background:linear-gradient(170deg,#ffffff0d,#ffffff03 44%),#0a0c12db;backdrop-filter:blur(26px) saturate(1.25);-webkit-backdrop-filter:blur(26px) saturate(1.25);box-shadow:var(--shadow-inset-strong),var(--shadow-xl);animation:authRise .6s var(--ease-entrance) both}.admin-auth__restricted{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-mono);font-size:.65rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--color-gold);background-color:var(--color-gold-bg);border:1px solid var(--color-gold-border);border-radius:var(--radius-xs);padding:.25rem .55rem;margin-bottom:1.35rem}.admin-auth__head{text-align:left}.admin-auth__head .eyebrow{display:block}.admin-auth__crest{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:var(--radius-sm);color:var(--color-brand-secondary);background:linear-gradient(160deg,#2e8fa64d,#2e8fa614);border:1px solid var(--color-action-ring);box-shadow:var(--shadow-inset-top);margin-bottom:.9rem}.admin-auth__title{font-size:var(--text-2xl);font-weight:600;color:var(--text-main);letter-spacing:var(--tracking-tight);margin-top:.2rem}.admin-auth__sub{font-size:var(--text-sm);color:var(--text-muted);margin-top:.3rem;line-height:var(--leading-normal)}.admin-auth__rule{height:1px;margin:1.35rem 0;background:linear-gradient(90deg,transparent,var(--color-gold-border) 18%,rgba(223,179,105,.55) 50%,var(--color-gold-border) 82%,transparent)}.admin-auth__scope{margin-top:1.5rem;padding-top:1.1rem;border-top:1px solid var(--border-subtle)}.admin-auth__scope-label{display:block;font-size:var(--text-2xs);font-weight:600;text-transform:uppercase;letter-spacing:var(--tracking-wide);color:var(--text-faint);margin-bottom:.55rem}.admin-auth__scope-list{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem}.admin-auth__scope-list li{display:inline-flex;align-items:center;gap:.3rem;font-size:var(--text-2xs);color:var(--text-secondary);background-color:var(--bg-surface-muted);border:1px solid var(--border-subtle);border-radius:var(--radius-full);padding:.2rem .55rem;white-space:nowrap}.admin-auth__scope-list svg{color:var(--text-muted)}.admin-auth__notice{margin-top:1.1rem;font-size:var(--text-2xs);color:var(--text-faint);line-height:var(--leading-normal)}.auth-crosslink{display:inline-flex;align-items:center;justify-content:center;gap:.35rem;width:100%;margin-top:1.1rem;padding:.55rem .75rem;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:var(--text-xs);font-weight:500;cursor:pointer;transition:color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard),background-color var(--duration-fast) var(--ease-standard)}.auth-crosslink:hover{color:var(--text-main);background-color:#ffffff09;border-color:var(--border-subtle)}.auth-alert--denied{background-color:var(--color-accent-indigo-bg);border-color:var(--color-accent-indigo-border);color:var(--color-brand-secondary)}.auth-alert__action{display:inline-flex;align-items:center;gap:.3rem;margin-top:.5rem;padding:0;border:none;background:none;color:inherit;font-size:var(--text-xs);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.auth-alert__action:hover{opacity:.8}@media (max-width: 640px){.admin-auth{padding:2rem 1.25rem}.admin-auth__panel{padding:1.5rem 1.25rem 1.25rem}}