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#6366f138}.button--primary:disabled{color:#ffffffdb;background:linear-gradient(135deg, color-mix(in srgb, var(--accent) 78%, var(--bg-panel-muted)), color-mix(in srgb, var(--primary) 78%, var(--bg-panel-muted)));box-shadow:inset 0 0 0 1px #ffffff14}.button--ghost{box-shadow:none;background:0 0}.button--ghost:before{display:none}.button--ghost:hover{background:linear-gradient(180deg, #ffffff0f, #fff0), var(--bg-panel-muted);box-shadow:inset 0 0 0 1px var(--line)}.button--danger{color:var(--rose);background:linear-gradient(180deg, #ffffff0f, #fff0), var(--rose-wash);border-color:#0000;box-shadow:inset 0 0 0 1px #c04f4924}.button--danger:hover{color:var(--rose);background:linear-gradient(180deg, #ffffff1a, #fff0), var(--rose-wash);border-color:#0000;box-shadow:inset 0 0 0 1px #c04f492e,0 14px 24px #c04f491a}.button--danger:focus-visible{outline:none;box-shadow:inset 0 0 0 1px #c04f4924,0 0 0 4px #fb71852e}.button--danger:disabled{color:color-mix(in srgb, var(--rose) 78%, var(--text-secondary));background:linear-gradient(180deg, #ffffff0a, #fff0), color-mix(in srgb, var(--rose-wash) 86%, transparent);box-shadow:inset 0 0 0 1px #c04f491f}.button--sm{border-radius:999px;min-height:36px;padding:0 14px;font-size:.92rem}.button--block{width:100%}.theme-toggle,.mobile-menu__theme{background:linear-gradient(180deg, #ffffff0a, #fff0), var(--bg-panel-muted);min-width:42px;min-height:42px;box-shadow:inset 0 0 0 1px var(--line);color:var(--text-secondary);cursor:pointer;transition:color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;padding:0 14px;display:inline-flex;transform:translateY(0)}.theme-toggle:hover,.mobile-menu__theme:hover{color:var(--text-secondary);background:linear-gradient(180deg, #ffffff14, #fff0), var(--bg-panel);box-shadow:inset 0 0 0 1px var(--line), 0 12px 22px #0f181f14;border-color:#0000;transform:translateY(-1px)}.input,.search-input,.form-grid input,.form-grid select{border:1px solid var(--border);background:var(--bg-input);width:100%;min-height:46px;color:var(--text-primary);transition:border-color var(--dur-fast) var(--ease-standard), background var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);border-radius:18px;padding:0 14px}.input::placeholder,.search-input::placeholder,.form-grid input::placeholder{color:var(--text-muted)}.input:focus,.search-input:focus,.form-grid input:focus,.form-grid select:focus{border-color:var(--primary);background:var(--bg-input-focus)}.input--compact{border-radius:14px;min-height:38px;padding-inline:12px}input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary)}.pill{border-radius:var(--r-pill);background:var(--bg-panel-muted);min-height:30px;color:var(--text-secondary);letter-spacing:.02em;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:0 12px;font-size:.82rem;font-weight:700;display:inline-flex}.pill--indigo{color:var(--accent);background:var(--accent-wash)}.pill--amber{color:var(--amber);background:var(--amber-wash)}.pill--emerald{color:var(--emerald);background:var(--emerald-wash)}.pill--rose{color:var(--rose);background:var(--rose-wash)}.pill--sky{color:var(--sky);background:var(--sky-wash)}.pill--mono{font-family:var(--font-mono);letter-spacing:0}.perf-badge{border-radius:var(--r-pill);align-items:center;min-height:30px;padding:0 12px;font-size:.85rem;font-weight:700;display:inline-flex}.perf-badge--excellent{color:var(--emerald);background:var(--emerald-wash)}.perf-badge--very-good{color:var(--sky);background:var(--sky-wash)}.perf-badge--good{color:var(--amber);background:var(--amber-wash)}.perf-badge--poor{color:var(--rose);background:var(--rose-wash)}.banner{border:1px solid var(--border);background:var(--bg-panel);box-shadow:var(--shadow-soft);border-radius:18px;padding:14px 16px}.banner--error{color:var(--rose);background:linear-gradient(180deg, var(--rose-wash), var(--bg-panel));border-color:#c04f4938}.banner--success{color:var(--emerald);background:linear-gradient(180deg, var(--emerald-wash), var(--bg-panel));border-color:#12876f38}.section-head{gap:18px;display:grid}.section-head__top{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.section-head__info{gap:10px;min-width:0;display:grid}.section-head__metrics{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.hero-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.hero-strip__item{border:1px solid var(--border);background:var(--bg-panel-muted);border-radius:18px;gap:8px;padding:16px 18px;display:grid}.hero-strip__item strong{font-family:var(--font-display);color:var(--text-heading);font-size:1.4rem}.hero-strip__label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);font-size:.76rem}.auth-shell{min-width:0;min-height:calc(100dvh - 150px);display:grid}.shell--public-auth .auth-shell{height:100%;min-height:0}.auth-shell--solo{grid-template-columns:minmax(0,560px);justify-content:center;min-height:auto}.auth-progress-overlay{z-index:240;padding:max(24px, env(safe-area-inset-top,0px)) max(16px, env(safe-area-inset-right,0px)) max(24px, env(safe-area-inset-bottom,0px)) max(16px, env(safe-area-inset-left,0px));isolation:isolate;-webkit-backdrop-filter:blur(22px)saturate(1.06);background:#020617b8;place-content:center;place-items:center;display:grid;position:fixed;inset:0;overflow:hidden}[data-theme=light] .auth-progress-overlay{background:#e2e8f0b8}.auth-progress-card{border:1px solid var(--border);background:linear-gradient(180deg, color-mix(in srgb, var(--bg-page) 96%, transparent), color-mix(in srgb, var(--bg-panel) 92%, transparent));width:min(460px,100vw - 32px);box-shadow:var(--shadow-panel);border-radius:26px;gap:14px;margin:auto;padding:26px;display:grid}.auth-progress-card h3{font-family:var(--font-display);color:var(--text-heading);margin:0;font-size:clamp(1.6rem,2.8vw,2rem);line-height:1.02}.auth-progress-orb{background:radial-gradient(circle at 32% 28%,#ffffffeb,#fff0 34%),linear-gradient(145deg,#22d3eedb,#6366f1f5);border-radius:50%;width:54px;height:54px;animation:1.1s ease-in-out infinite authProgressPulse;box-shadow:0 0 0 1px #ffffff14,0 14px 30px #3b82f63d}.auth-progress-track{background:color-mix(in srgb, var(--bg-panel-muted) 76%, transparent);border:1px solid color-mix(in srgb, var(--line) 72%, transparent);border-radius:999px;height:6px;position:relative;overflow:hidden}.auth-progress-track span{border-radius:inherit;background:linear-gradient(90deg,#22d3ee00 0%,#38bdf8d1 22%,#60a5fa 52%,#2dd4bfd1 78%,#2dd4bf00 100%);width:36%;animation:.95s cubic-bezier(.22,1,.36,1) infinite pageBootSlide;position:absolute;inset:0 auto 0 -36%}@media (max-width:860px){.auth-progress-overlay{padding:max(18px, env(safe-area-inset-top,0px)) max(14px, env(safe-area-inset-right,0px)) max(18px, env(safe-area-inset-bottom,0px)) max(14px, env(safe-area-inset-left,0px))}.auth-progress-card{border-radius:24px;width:min(440px,100vw - 28px);padding:24px 22px}}.auth-frame{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:stretch;gap:clamp(18px,2.2vw,28px);min-width:0;min-height:100%;padding:clamp(14px,1.8vw,20px);display:grid}.auth-frame--admin{grid-template-columns:minmax(0,.96fr) minmax(0,1.04fr)}.shell--public-auth .auth-frame{gap:clamp(16px,1.8vw,24px);height:auto;min-height:auto}.auth-showcase__copy{gap:12px;max-width:56ch;display:grid}.auth-showcase{-webkit-tap-highlight-color:transparent;background:0 0;align-content:start;gap:28px;min-width:0;min-height:100%;display:grid}.auth-showcase--student{background:0 0;justify-content:center;align-items:stretch;width:100%;height:100%;min-height:100%;display:flex;overflow:hidden}.auth-showcase--admin{background:0 0;align-items:stretch;min-height:100%;display:flex}.auth-showcase--student,.auth-showcase--admin,.auth-showcase--student *,.auth-showcase--admin *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.shell--public-auth .auth-showcase--student,.shell--public-auth .auth-showcase--admin{min-height:0}.auth-showcase--student:before,.auth-showcase--student:after{display:none}.auth-showcase__text{max-width:52ch}.auth-premium-scene{isolation:isolate;pointer-events:none;backface-visibility:hidden;contain:paint;background:linear-gradient(160deg,#050e189e,#0d172457),linear-gradient(#07111c85,#050c1538);border-radius:30px;flex:1;height:100%;min-height:100%;padding:clamp(24px,3vw,34px);display:grid;position:relative;overflow:hidden;transform:translateZ(0);box-shadow:inset 0 0 0 1px #94a3b814,0 30px 60px #02061747}.auth-admin-scene{isolation:isolate;pointer-events:none;backface-visibility:hidden;contain:paint;background:radial-gradient(circle at 18% 18%,#38bdf829,#0000 28%),linear-gradient(160deg,#06101c8a,#0814214d),linear-gradient(#07111c66,#050c152e);border-radius:30px;flex:1;height:100%;min-height:clamp(340px,34vw,520px);padding:clamp(22px,2.8vw,30px);display:grid;position:relative;overflow:hidden;transform:translateZ(0);box-shadow:inset 0 0 0 1px #94a3b814,0 30px 60px #02061738}.auth-admin-scene--setup{background:radial-gradient(circle at 18% 18%,#60a5fa2e,#0000 28%),linear-gradient(160deg,#050e188a,#0a12244d),linear-gradient(#07111c66,#050c152e)}.shell--public-auth .auth-admin-scene{padding:clamp(16px,1.8vw,22px)}[data-theme=light] .auth-admin-scene{background:radial-gradient(circle at 18% 18%,#0ea5e91f,#0000 28%),linear-gradient(160deg,#f1f8f89e,#e5eff066),linear-gradient(#f8fbfb80,#e6eff04d);box-shadow:inset 0 0 0 1px #0f172a0f,0 24px 44px #0f172a14}.auth-admin-flow.auth-flow-field{z-index:0;position:absolute;inset:0}.auth-admin-flow .auth-flow-field__canvas{opacity:.48;backface-visibility:hidden;transform:translateZ(0)}[data-theme=light] .auth-admin-flow .auth-flow-field__canvas{opacity:.3}.auth-admin-backdrop{z-index:1;pointer-events:none;background:linear-gradient(#ffffff0a,#fff0),linear-gradient(135deg,#07121e29,#0000 44%);position:absolute;inset:0}.auth-admin-visual{z-index:2;place-items:center;min-height:100%;display:grid;position:relative}.auth-admin-core{aspect-ratio:1;background:linear-gradient(#ffffff14,#fff0),#080f1c80;border-radius:32px;place-items:center;width:min(320px,74%);display:grid;position:relative;box-shadow:inset 0 0 0 1px #94a3b829,0 26px 44px #0206173d}.auth-admin-core:before,.auth-admin-core:after{content:"";border-radius:inherit;pointer-events:none;position:absolute}.auth-admin-core:before{border:1px solid #94a3b829;inset:18px}.auth-admin-core:after{border:1px solid #38bdf829;border-radius:40px;inset:-18px}[data-theme=light] .auth-admin-core{background:linear-gradient(#ffffffd1,#ffffff85),#ffffff61;box-shadow:inset 0 0 0 1px #94a3b82e,0 22px 34px #0f172a14}[data-theme=light] .auth-admin-core:after{border-color:#0ea5e91f}.auth-admin-core__stack{gap:12px;width:58%;display:grid}.auth-admin-core__stack span,.auth-admin-node span{border-radius:999px;height:10px;display:block}.auth-admin-core__stack span{background:linear-gradient(90deg,#67e8f9e6,#2dd4bfc7);box-shadow:0 0 18px #2dd4bf2e}.auth-admin-core__stack span:nth-child(2){width:84%}.auth-admin-core__stack span:nth-child(3){width:68%}[data-theme=light] .auth-admin-core__stack span{background:linear-gradient(90deg,#0ea5e9d1,#0d9488b8)}.auth-admin-node{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(#ffffff14,#fff0),#080f1c52;border-radius:20px;gap:9px;min-width:144px;padding:14px;display:grid;position:absolute;box-shadow:inset 0 0 0 1px #94a3b824}.auth-admin-node:before{content:"";background:linear-gradient(90deg,#60a5fae6,#38bdf8b8);border-radius:999px;width:40px;height:3px;display:block}.auth-admin-node span{background:#e2e8f029}.auth-admin-node span:nth-child(2){width:76%}.auth-admin-node span:nth-child(3){width:54%}[data-theme=light] .auth-admin-node{background:linear-gradient(#ffffffc7,#ffffff70),#ffffff5c;box-shadow:inset 0 0 0 1px #94a3b82e}[data-theme=light] .auth-admin-node span{background:#0f172a1f}.auth-admin-node--top{top:10%;right:8%}.auth-admin-node--left{top:40%;left:6%}.auth-admin-node--bottom{bottom:10%;right:14%}.shell--public-auth .auth-premium-scene{padding:clamp(16px,1.8vw,22px)}[data-theme=light] .auth-premium-scene{background:linear-gradient(160deg,#f1f8f899,#e4eeef57),linear-gradient(#f8fbfb80,#e6eff047);box-shadow:inset 0 0 0 1px #0f172a0f,0 24px 44px #0f172a1a}.auth-flow-field{z-index:0;pointer-events:none;position:absolute;inset:0}.auth-flow-field__canvas{opacity:.86;width:100%;height:100%;display:block}.shell__flow-field.auth-flow-field{z-index:0;position:fixed;inset:0}.auth-premium-flow.auth-flow-field{z-index:0;position:absolute;inset:0}.auth-premium-flow .auth-flow-field__canvas{opacity:.58;backface-visibility:hidden;transform:translateZ(0)}[data-theme=light] .auth-premium-flow .auth-flow-field__canvas{opacity:.42}.auth-premium-backdrop{pointer-events:none;z-index:1;background:linear-gradient(#ffffff0a,#fff0),linear-gradient(160deg,#06142024,#06142005);position:absolute;inset:0}.auth-premium-grid{z-index:2;align-content:space-between;gap:26px;height:100%;display:grid;position:relative}.shell--public-auth .auth-premium-grid{gap:14px}.auth-premium-intro-shell{min-height:clamp(180px,18vw,220px);position:relative}.shell--public-auth .auth-premium-intro-shell{min-height:clamp(126px,12vw,152px)}.auth-premium-intro{align-content:start;gap:12px;max-width:32rem;display:grid;position:absolute;inset:0}.auth-premium-kicker,.auth-premium-eyebrow,.auth-premium-board__label,.auth-premium-guide__label,.auth-premium-guide__index{letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;font-weight:700}.auth-premium-kicker{color:#e2e8f0cc;background:#ffffff14;border-radius:999px;align-items:center;width:-moz-fit-content;width:fit-content;min-height:30px;padding:0 12px;display:inline-flex;box-shadow:inset 0 0 0 1px #94a3b829}[data-theme=light] .auth-premium-kicker{color:#0f172ab3;background:#ffffffb8;box-shadow:inset 0 0 0 1px #94a3b82e}.auth-premium-eyebrow{color:#5eead4eb}.auth-premium-title{font-family:var(--font-display);letter-spacing:-.04em;color:#f8fafc;font-size:clamp(2.1rem,4vw,3.15rem);line-height:.94}.shell--public-auth .auth-premium-title{font-size:clamp(1.74rem,2.8vw,2.34rem)}.shell--public-auth .auth-premium-copy{max-width:38ch;font-size:.94rem;line-height:1.52}[data-theme=light] .auth-premium-title{color:#0f172a}.auth-premium-copy{color:#e2e8f0c2;max-width:42ch;margin:0;line-height:1.65}[data-theme=light] .auth-premium-copy{color:#0f172ab3}.auth-premium-board{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(#ffffff14,#fff0),#0f172a33;border-radius:26px;gap:18px;padding:clamp(18px,2.2vw,24px);display:grid;box-shadow:inset 0 0 0 1px #94a3b824,0 26px 44px #02061738}[data-theme=light] .auth-premium-board{background:linear-gradient(#ffffffb8,#fff6),#ffffff57;box-shadow:inset 0 0 0 1px #94a3b833,0 20px 36px #0f172a14}.auth-premium-board__head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.auth-premium-board__label{color:#94a3b8d6;margin-bottom:6px;display:block}[data-theme=light] .auth-premium-board__label{color:#475569d1}.auth-premium-board__title{font-family:var(--font-display);color:#f8fafc;font-size:1.24rem}[data-theme=light] .auth-premium-board__title{color:#0f172a}.auth-premium-board__state{color:#e2e8f0c2;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;background:#94a3b81f;border-radius:999px;align-items:center;min-height:32px;padding:0 12px;font-size:.76rem;font-weight:700;display:inline-flex}.auth-premium-board__state--ready{color:#99f6e4;background:#2dd4bf29}[data-theme=light] .auth-premium-board__state{color:#0f172a9e;background:#94a3b81f}[data-theme=light] .auth-premium-board__state--ready{color:#0f766e;background:#0d948824}.auth-premium-content{align-content:start;gap:18px;display:grid}.shell--public-auth .auth-premium-content{gap:12px}.auth-premium-surface{background:linear-gradient(#ffffff12,#fff0),#02061757;border-radius:24px;gap:18px;padding:18px;display:grid;box-shadow:inset 0 0 0 1px #94a3b824}[data-theme=light] .auth-premium-surface{background:linear-gradient(#ffffffd6,#ffffff9e),#ffffffd1;box-shadow:inset 0 0 0 1px #94a3b82e}.auth-premium-surface__intro{gap:8px;display:grid}.auth-premium-surface__label{letter-spacing:.14em;text-transform:uppercase;color:#94a3b8d6;font-size:.72rem;font-weight:700}[data-theme=light] .auth-premium-surface__label{color:#475569c7}.auth-premium-surface__title{font-family:var(--font-display);color:#f8fafc;font-size:1.32rem}[data-theme=light] .auth-premium-surface__title{color:#0f172a}.auth-premium-surface__copy{color:#e2e8f0bd;margin:0;line-height:1.58}[data-theme=light] .auth-premium-surface__copy{color:#0f172aa3}.auth-premium-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.auth-premium-step{isolation:isolate;background:#ffffff0a;border-radius:20px;gap:12px;padding:16px;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #94a3b81f}[data-theme=light] .auth-premium-step{background:#ffffff9e;box-shadow:inset 0 0 0 1px #94a3b82e}.auth-premium-step__surface{border-radius:inherit;background:linear-gradient(135deg,#0f172af5,#0d9488d6);position:absolute;inset:0;box-shadow:0 20px 34px #0f172a3d}.auth-premium-step>*{z-index:1;position:relative}.auth-premium-step__head{justify-content:space-between;align-items:center;gap:10px;display:flex}.auth-premium-step--complete:not(.auth-premium-step--active){background:linear-gradient(#2dd4bf14,#2dd4bf00),#ffffff0a}[data-theme=light] .auth-premium-step--complete:not(.auth-premium-step--active){background:linear-gradient(#0d948814,#0d948800),#ffffffad}.auth-premium-step__index,.auth-premium-step__state{color:#94a3b8d6}.auth-premium-step__index{letter-spacing:.16em;text-transform:uppercase;font-size:.72rem;font-weight:700}.auth-premium-step__state{letter-spacing:.08em;text-transform:uppercase;background:#94a3b81f;border-radius:999px;align-items:center;min-height:28px;padding:0 10px;font-size:.72rem;font-style:normal;font-weight:700;display:inline-flex}[data-theme=light] .auth-premium-step__index,[data-theme=light] .auth-premium-step__state{color:#475569c7}.auth-premium-step__body{gap:4px;display:grid}.auth-premium-step__body strong{color:#e2e8f0;font-size:.98rem}.auth-premium-step__body span{color:#e2e8f0b8;font-size:.84rem;line-height:1.45}[data-theme=light] .auth-premium-step__body strong{color:#0f172a}[data-theme=light] .auth-premium-step__body span{color:#0f172aa3}.auth-premium-step--active .auth-premium-step__index,.auth-premium-step--active .auth-premium-step__body strong,.auth-premium-step--active .auth-premium-step__body span,.auth-premium-step--active .auth-premium-step__state{color:#f8fafc}.auth-premium-meter{gap:10px;display:grid}.auth-premium-meter__head{justify-content:space-between;align-items:center;gap:10px;display:flex}.auth-premium-meter__head span{letter-spacing:.14em;text-transform:uppercase;color:#94a3b8d6;font-size:.76rem;font-weight:700}.auth-premium-meter__head strong{font-family:var(--font-mono);color:#f8fafc;font-size:.94rem}[data-theme=light] .auth-premium-meter__head span{color:#475569c7}[data-theme=light] .auth-premium-meter__head strong{color:#0f172a}.auth-premium-meter__track{background:#94a3b829;border-radius:999px;height:10px;overflow:hidden}.auth-premium-meter__track span{border-radius:inherit;background:linear-gradient(90deg,#67e8f9,#5eead4);height:100%;display:block;box-shadow:0 10px 18px #2dd4bf3d}[data-theme=light] .auth-premium-meter__track{background:#94a3b833}[data-theme=light] .auth-premium-meter__track span{background:linear-gradient(90deg,#0f766e,#0ea5e9);box-shadow:0 10px 18px #0ea5e929}.auth-premium-context{background:linear-gradient(#67e8f914,#67e8f900),#ffffff0a;border-radius:20px;gap:8px;padding:16px 18px;display:grid;box-shadow:inset 0 0 0 1px #94a3b81f}.auth-premium-context__label{color:#94a3b8d1}.auth-premium-context__value{color:#e2e8f0;font-size:1rem}.auth-premium-context__note{color:#e2e8f0b3;margin:0;line-height:1.55}[data-theme=light] .auth-premium-context{background:linear-gradient(#0ea5e914,#0ea5e900),#ffffffad;box-shadow:inset 0 0 0 1px #94a3b82e}[data-theme=light] .auth-premium-context__label{color:#475569c7}[data-theme=light] .auth-premium-context__value{color:#0f172a}[data-theme=light] .auth-premium-context__note{color:#0f172aa3}.auth-premium-guides{grid-template-columns:1fr;gap:0;display:grid}.auth-premium-guide{border-top:1px solid #94a3b829;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:14px;min-width:0;padding:14px 0;display:grid;position:relative}.shell--public-auth .auth-premium-guide{gap:12px;padding:9px 0}.shell--public-auth .auth-premium-guide__index{width:30px;min-width:30px;height:30px}.shell--public-auth .auth-premium-guide__copy strong{font-size:.94rem}.shell--public-auth .auth-premium-guide__copy p{font-size:.9rem;line-height:1.45}.auth-premium-guide:first-child{border-top:0;padding-top:0}.auth-premium-guide:after{content:"";background:linear-gradient(135deg,#67e8f9f5,#2dd4bfd1);border-radius:999px;width:8px;height:8px;position:absolute;top:18px;left:0;box-shadow:0 0 20px #2dd4bf57}.auth-premium-guide__index{width:34px;min-width:34px;height:34px;font-family:var(--font-mono);color:#e2e8f0d6;background:#ffffff14;border-radius:999px;justify-content:center;align-items:center;display:inline-flex;box-shadow:inset 0 0 0 1px #94a3b824}.auth-premium-guide__copy{gap:4px;display:grid}.auth-premium-guide__copy strong{color:#f8fafc;font-size:1rem}.auth-premium-guide__copy p{color:#e2e8f0bd;margin:0;line-height:1.55}[data-theme=light] .auth-premium-guide{border-top-color:#94a3b833}[data-theme=light] .auth-premium-guide:after{background:linear-gradient(135deg,#0ea5e9e6,#0d9488d1);box-shadow:0 0 18px #0ea5e933}[data-theme=light] .auth-premium-guide__index{color:#0f172ab8;background:#ffffffc2;box-shadow:inset 0 0 0 1px #94a3b82e}[data-theme=light] .auth-premium-guide__copy strong{color:#0f172a}[data-theme=light] .auth-premium-guide__copy p{color:#0f172aa3}.auth-premium-modes{flex-wrap:wrap;gap:10px;display:flex}.shell--public-auth .auth-premium-modes{gap:8px}.shell--public-auth .auth-premium-mode{min-height:30px;padding:0 12px;font-size:.74rem}.auth-premium-mode{letter-spacing:.08em;text-transform:uppercase;border-radius:999px;align-items:center;min-height:34px;padding:0 14px;font-size:.82rem;font-weight:700;display:inline-flex}.auth-premium-mode--easy{color:#99f6e4;background:#2dd4bf24}.auth-premium-mode--medium{color:#7dd3fc;background:#0ea5e924}.auth-premium-mode--hard{color:#fcd34d;background:#f59e0b24}[data-theme=light] .auth-premium-mode--easy{color:#0f766e;background:#0d94881f}[data-theme=light] .auth-premium-mode--medium{color:#0369a1;background:#0ea5e91f}[data-theme=light] .auth-premium-mode--hard{color:#b45309;background:#f59e0b1f}.auth-premium-note{color:#e2e8f0b8;margin:0;line-height:1.6}.shell--public-auth .auth-premium-note{font-size:.9rem;line-height:1.5}[data-theme=light] .auth-premium-note{color:#0f172aa3}.auth-showcase__layout{grid-template-columns:minmax(0,1.38fr) minmax(240px,.72fr);align-items:start;gap:18px;width:100%;display:grid}.auth-showcase__main,.auth-showcase__rail{min-width:0}.auth-showcase__rail{gap:14px;display:grid}.auth-showcase__stats{gap:12px;display:grid}.auth-showcase__stat{background:linear-gradient(180deg, #ffffff0d, #fff0), var(--bg-panel-muted);min-width:0;box-shadow:inset 0 0 0 1px var(--line);border-radius:18px;gap:8px;padding:16px 18px;display:grid}.auth-showcase__stat span{letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.auth-showcase__stat strong{font-family:var(--font-display);color:var(--text-heading);font-size:1.32rem}.auth-preview{background:linear-gradient(180deg, #ffffff0f, #fff0), var(--bg-panel-muted);min-height:100%;box-shadow:inset 0 0 0 1px var(--line);border-radius:22px;gap:16px;padding:20px;display:grid}.auth-preview__head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.auth-preview__eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px;font-size:.72rem;font-weight:700;display:block}.auth-preview__meta{gap:6px;display:grid}.auth-preview__meta span,.auth-preview__row--head,.auth-preview__row>span,.auth-preview__footer span{letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.auth-preview__title,.auth-preview__row strong{font-family:var(--font-display);color:var(--text-heading);font-size:1.08rem}.auth-preview__badge{background:var(--primary-wash);min-height:30px;color:var(--primary-deep);border-radius:999px;align-items:center;padding:0 12px;font-size:.78rem;font-weight:700;display:inline-flex}[data-theme=dark] .auth-preview__badge{color:var(--primary)}.auth-preview__table{gap:0;display:grid}.auth-preview__metrics{gap:10px;display:grid}.auth-preview__metric{box-shadow:inset 0 0 0 1px var(--line);background:linear-gradient(#ffffff0d,#fff0),#ffffff05;border-radius:16px;gap:6px;padding:14px 16px;display:grid}.auth-preview__metric span{letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.auth-preview__metric strong{font-family:var(--font-display);color:var(--text-heading);font-size:1rem}.auth-preview__row{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.5fr) .8fr .8fr;align-items:center;gap:10px;min-height:48px;padding:0 14px;display:grid}.auth-preview--admin .auth-preview__row{grid-template-columns:minmax(0,1fr) auto}.auth-preview--student .auth-preview__row>span{text-align:right;font-family:var(--font-mono)}.auth-showcase__notes{gap:12px;display:grid}.auth-showcase__note{box-shadow:inset 0 0 0 1px var(--line);background:linear-gradient(#ffffff0a,#fff0),#ffffff05;border-radius:18px;align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.auth-showcase__note span{background:var(--primary);border-radius:50%;flex-shrink:0;width:6px;height:6px;margin-top:10px}.auth-showcase__note strong{color:var(--text-secondary);font-size:.96rem;line-height:1.55}.auth-preview__footer{flex-wrap:wrap;gap:8px;display:flex}.auth-preview__footer span{min-height:30px;box-shadow:inset 0 0 0 1px var(--line);background:#ffffff0a;border-radius:999px;align-items:center;padding:0 12px;display:inline-flex}.auth-side{border-left:1px solid var(--line);background:0 0;align-content:center;gap:22px;min-width:0;min-height:0;padding:clamp(18px,2vw,32px) clamp(16px,2vw,32px);display:grid}.shell--public-auth .auth-side{gap:20px}.auth-side--solo{min-height:auto}.auth-side__header{gap:12px;display:grid}.shell--public-auth .auth-side__header{gap:10px}.shell--public-auth .auth-side__header h2{font-size:clamp(1.5rem,2.4vw,2.06rem)}.shell--public-auth .auth-side__header .section-copy{max-width:38ch;font-size:.92rem;line-height:1.5}.auth-switch{border:1px solid var(--border);background:linear-gradient(180deg, #ffffff08, #fff0), var(--bg-panel-muted);width:100%;box-shadow:inset 0 0 0 1px var(--line);border-radius:24px;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:6px;display:grid}.shell--public-auth .auth-switch{border-radius:20px;gap:4px;padding:4px}.auth-switch__link{min-height:64px;color:var(--text-muted);transition:color var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);border-radius:18px;justify-content:flex-start;align-items:flex-start;padding:14px 18px;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.shell--public-auth .auth-switch__link{border-radius:16px;min-height:54px;padding:10px 14px}.auth-switch__content{z-index:1;gap:4px;display:grid;position:relative}.auth-switch__content strong{font-size:.95rem}.shell--public-auth .auth-switch__content strong{font-size:.9rem}.auth-switch__content small{letter-spacing:.01em;color:var(--text-muted);transition:color var(--dur-fast) var(--ease-standard);font-size:.76rem;font-weight:500}.shell--public-auth .auth-switch__content small{font-size:.71rem}.auth-switch__link:hover{transform:translateY(-1px)}.auth-switch__link--active{color:var(--text-on-dark)}.auth-switch__link--active .auth-switch__content small{color:#ffffffbd}.auth-switch__indicator{border-radius:inherit;background:linear-gradient(135deg,#0f172a,#0f766e);position:absolute;inset:0;box-shadow:0 18px 28px #0f766e3d,inset 0 0 0 1px #ffffff1a}.form-grid{gap:12px;display:grid}.form-field{gap:6px;display:grid}.form-label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);font-size:.76rem;font-weight:700}.auth-form{gap:14px}.shell--public-auth .auth-form{gap:12px}.auth-form--student,.auth-form--google{align-content:start}.auth-form--student-login .form-field+.form-field{margin-top:6px}.auth-form--student .form-field{align-content:start;min-height:78px}.shell--public-auth .auth-form--student .form-field{min-height:66px}.auth-form__spacer{visibility:hidden;pointer-events:none;min-height:78px}.shell--public-auth .auth-form__spacer{min-height:66px}.shell--public-auth .auth-form .input,.shell--public-auth .auth-form .button--auth-primary{min-height:46px}.auth-form .input{background:linear-gradient(180deg, #ffffff0a, #fff0), var(--bg-input);min-height:50px;box-shadow:inset 0 0 0 1px var(--border);border:1px solid #0000;border-radius:20px}.auth-form .input:focus{background:var(--bg-input-focus);border-color:#0000;box-shadow:inset 0 0 0 1px #1abc9c52}.auth-form .button--auth-primary{min-height:50px;color:var(--text-on-dark);filter:none;background:linear-gradient(#07121ef5,#07121ee6);border-radius:18px;overflow:visible;box-shadow:inset 0 0 0 1px #ffffff14,0 20px 36px #0206173d}.auth-form .button--auth-primary:before{content:"";border-radius:inherit;-webkit-mask-composite:xor;opacity:.96;background:linear-gradient(120deg,#67e8f9f5,#2dd4bfe0,#0ea5e9d1,#67e8f9f5) 0 0/220% 220%;padding:1.2px;animation:6.8s linear infinite authButtonSpectrum;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.auth-form .button--auth-primary:after{content:"";filter:blur(18px);opacity:.78;height:28px;transition:opacity var(--dur-mid) var(--ease-standard), transform var(--dur-mid) var(--ease-standard);background:radial-gradient(circle,#2dd4bf61,#0000 72%);border-radius:999px;position:absolute;bottom:-16px;left:18%;right:18%}.auth-form .button--auth-primary:hover,.auth-form .button--auth-primary:focus-visible{color:var(--text-on-dark);background:linear-gradient(#091522fa,#05101cf0);transform:translateY(-2px);box-shadow:inset 0 0 0 1px #ffffff1a,0 24px 40px #0206174d}.auth-form .button--auth-primary:hover:after,.auth-form .button--auth-primary:focus-visible:after{opacity:1;transform:scale(1.04)}.auth-form .button--auth-primary:active{transform:translateY(0)}.auth-form .button--auth-primary:disabled{color:#f8fafcbd;background:linear-gradient(#0c1420d6,#0c1420d1);box-shadow:inset 0 0 0 1px #ffffff0f}.auth-form .button--auth-primary:disabled:before,.auth-form .button--auth-primary:disabled:after{opacity:.36;animation:none}.auth-submit__label{z-index:1;position:relative}[data-theme=light] .auth-form .button--auth-primary{color:#f8fafc;background:linear-gradient(#0f172a,#0f2740);box-shadow:inset 0 0 0 1px #ffffff1a,0 18px 30px #0f172a2e}[data-theme=light] .auth-form .button--auth-primary:hover,[data-theme=light] .auth-form .button--auth-primary:focus-visible{color:#f8fafc;background:linear-gradient(#0b1424,#0d2237)}[data-theme=light] .auth-form .button--auth-primary:after{background:radial-gradient(circle,#0ea5e947,#0000 72%)}@keyframes authButtonSpectrum{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.auth-footnote{color:var(--text-muted);max-width:38ch;margin:0;line-height:1.55}.auth-direct-signin{justify-items:stretch;gap:20px;width:min(100%,440px);display:grid}.auth-direct-signin__warning{background:linear-gradient(180deg, #f59e0b24, #f59e0b00), var(--amber-wash);color:var(--amber);border-radius:16px;gap:4px;padding:12px 14px;display:grid;box-shadow:inset 0 0 0 1px #d9770624}.google-signin{justify-items:stretch;gap:10px;width:min(100%,344px);display:grid}.google-signin__shell{cursor:pointer;touch-action:manipulation;border-radius:22px;width:100%;position:relative;overflow:hidden}.google-signin__shell--disabled{opacity:.62}.google-signin__shell:focus-within .google-signin__surface{transform:translateY(-1px);box-shadow:0 16px 28px #080f203d,inset 0 1px #ffffff14,inset 0 0 0 1px #5eead43d}.google-signin__surface{z-index:1;pointer-events:none;-webkit-user-select:none;user-select:none;min-height:64px;transition:transform var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);background:radial-gradient(circle at 0 0,#2dd4bf1f,#0000 40%),linear-gradient(135deg,#151e35f5,#0d1426fa);border-radius:22px;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:12px 14px;display:grid;position:relative;box-shadow:0 14px 26px #080f2033,inset 0 1px #ffffff12,inset 0 0 0 1px #94a3b81f}[data-theme=light] .google-signin__surface{background:radial-gradient(circle at 0 0,#4f46e514,#0000 42%),linear-gradient(135deg,#f4f7fcfa,#e9eef7fa);box-shadow:0 14px 24px #94a3b82e,inset 0 1px #ffffffe0,inset 0 0 0 1px #94a3b833}.google-signin__mark{background:#fffffffa;border-radius:14px;justify-content:center;align-items:center;width:40px;height:40px;display:inline-flex;box-shadow:0 10px 20px #0f172a29,inset 0 0 0 1px #e2e8f0eb}.google-signin__mark svg{width:22px;height:22px}.google-signin__label{min-width:0;font-family:var(--font-display);letter-spacing:-.01em;color:#f8fafc;font-size:1.02rem}[data-theme=light] .google-signin__label{color:#0f172a}.google-signin__orbit{color:#f8fafcdb;background:linear-gradient(#ffffff17,#ffffff08),#0f172a57;border-radius:999px;justify-content:center;align-items:center;width:36px;height:36px;display:inline-flex;box-shadow:inset 0 0 0 1px #94a3b824}[data-theme=light] .google-signin__orbit{color:#334155;background:linear-gradient(#ffffffd6,#fff9),#e2e8f0b8;box-shadow:inset 0 0 0 1px #94a3b82e}.google-signin__orbit svg{width:16px;height:16px}.google-signin__button{z-index:2;cursor:pointer;touch-action:manipulation;width:100%;min-height:64px;display:block;position:absolute;inset:0}.google-signin__button>div,.google-signin__button iframe{opacity:.001;max-width:100%;width:100%!important;height:100%!important;display:block!important}.google-signin__button--disabled{pointer-events:none}.google-signin__error{color:var(--rose);font-size:.88rem;line-height:1.5}.level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.level-button{text-align:left;cursor:pointer;transition:border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard), filter var(--dur-fast) var(--ease-standard);gap:14px;display:grid}.level-button:hover{filter:saturate(1.03);border-color:#0000;box-shadow:0 24px 36px #0f181f1f}.level-button:disabled{cursor:not-allowed;filter:none;box-shadow:none}.level-button[data-level=basic]{background:linear-gradient(180deg, #12876f1f, transparent 34%), linear-gradient(180deg, var(--bg-panel), var(--bg-panel-strong))}.level-button[data-level=medium]{background:linear-gradient(180deg, #b86d2224, transparent 34%), linear-gradient(180deg, var(--bg-panel), var(--bg-panel-strong))}.level-button[data-level=hard]{background:linear-gradient(180deg, #c04f4924, transparent 34%), linear-gradient(180deg, var(--bg-panel), var(--bg-panel-strong))}.level-card__tag{border-radius:var(--r-pill);letter-spacing:.12em;text-transform:uppercase;justify-content:center;align-items:center;width:-moz-fit-content;width:fit-content;min-height:28px;padding:0 12px;font-size:.76rem;font-weight:700;display:inline-flex}[data-level=basic] .level-card__tag{color:var(--emerald);background:var(--emerald-wash)}[data-level=medium] .level-card__tag{color:var(--amber);background:var(--amber-wash)}[data-level=hard] .level-card__tag{color:var(--rose);background:var(--rose-wash)}.level-card__count{font-family:var(--font-display);color:var(--text-heading);font-size:clamp(2.1rem,5vw,3.1rem)}.level-card__meta{color:var(--text-secondary);line-height:1.55}.level-card__footer{border-top:1px solid var(--border);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:14px;font-size:.88rem;display:flex}.level-card__action{background:linear-gradient(135deg, var(--accent), var(--primary));min-height:38px;color:var(--text-on-dark);border-radius:999px;justify-content:center;align-items:center;padding:0 16px;font-weight:700;display:inline-flex;box-shadow:0 12px 22px #0f7a662e}.level-card__action--disabled{background:var(--bg-panel-muted);color:var(--text-muted)}.student-home,.student-results{gap:18px;display:grid}.student-workspace__hero{border-bottom:1px solid var(--line);padding:0 0 18px}.student-workspace-nav{border-bottom:1px solid var(--line);align-items:center;gap:24px;padding:0 2px 12px;display:flex;overflow-x:auto}.student-workspace-nav::-webkit-scrollbar{display:none}.student-workspace-nav__link{min-height:36px;color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase;transition:color var(--dur-fast) var(--ease-standard);align-items:center;font-weight:700;display:inline-flex;position:relative}.student-workspace-nav__link:after{content:"";background:linear-gradient(90deg, var(--accent), var(--primary));opacity:0;transform-origin:50%;height:2px;transition:opacity var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);border-radius:999px;position:absolute;bottom:-13px;left:0;right:0;transform:scaleX(.4)}.student-workspace-nav__link:hover{color:var(--text-primary)}.student-workspace-nav__link--active{color:var(--text-heading)}.student-workspace-nav__link--active:after{opacity:1;transform:scaleX(1)}.student-dashboard{gap:24px;display:grid}.student-dashboard__header{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:18px;display:flex}.student-dashboard__header--loading{border-bottom:0;padding-bottom:0}.student-dashboard__header-copy{gap:10px;min-width:min(280px,100%);max-width:58ch;display:grid}.student-dashboard__header-copy h3{color:var(--text-heading);margin:0;font-size:clamp(1.45rem,2.6vw,1.9rem)}.student-dashboard__header .section-copy{max-width:54ch;color:var(--text-secondary)}.student-dashboard__header-meta{align-content:start;justify-items:end;gap:8px;display:grid}.student-dashboard__header-meta small{color:var(--text-muted);text-align:right}.student-dashboard__summary-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.student-dashboard__summary-card{border:1px solid var(--border);background:linear-gradient(180deg, #ffffff0a, #fff0), var(--bg-panel-muted);min-width:0;box-shadow:inset 0 0 0 1px var(--line);border-radius:20px;gap:8px;padding:18px;display:grid}[data-theme=light] .student-dashboard__summary-card{background:linear-gradient(180deg, #ffffffe0, #ffffff8c), var(--bg-panel-muted);box-shadow:inset 0 0 0 1px #0f172a0a, var(--shadow-soft)}.student-dashboard__summary-card span{letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.student-dashboard__summary-card strong{font-family:var(--font-display);color:var(--text-heading);font-size:1.45rem;line-height:1.1}.student-dashboard__summary-card small{color:var(--text-secondary);line-height:1.5}.student-dashboard__layout{grid-template-columns:minmax(0,1.24fr) minmax(300px,.76fr);align-items:start;gap:24px;display:grid}.student-dashboard__modes,.student-dashboard__side{align-content:start;gap:18px;display:grid}.student-dashboard__side{padding-top:54px}.student-dashboard__section-head,.student-performance-card__head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.student-dashboard__section-head h4,.student-performance-card__head h4{color:var(--text-heading);margin:0;font-size:1.18rem}.student-levels--dashboard{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.student-performance-card{border:1px solid var(--border);background:linear-gradient(180deg, #ffffff0a, #fff0), var(--bg-panel-muted);box-shadow:inset 0 0 0 1px var(--line);border-radius:24px;gap:16px;padding:22px;display:grid}[data-theme=light] .student-performance-card{background:linear-gradient(180deg, #ffffffe0, #ffffff8f), var(--bg-panel-muted);box-shadow:inset 0 0 0 1px #0f172a0a, 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