html{color-scheme:light dark}html{--mat-sys-background: light-dark(#f7faf9, #101414);--mat-sys-error: light-dark(#ba1a1a, #ffb4ab);--mat-sys-error-container: light-dark(#ffdad6, #93000a);--mat-sys-inverse-on-surface: light-dark(#eff1f0, #2d3131);--mat-sys-inverse-primary: light-dark(#00dddd, #006a6a);--mat-sys-inverse-surface: light-dark(#2d3131, #e0e3e2);--mat-sys-on-background: light-dark(#191c1c, #e0e3e2);--mat-sys-on-error: light-dark(#ffffff, #690005);--mat-sys-on-error-container: light-dark(#93000a, #ffdad6);--mat-sys-on-primary: light-dark(#ffffff, #003737);--mat-sys-on-primary-container: light-dark(#004f4f, #00fbfb);--mat-sys-on-primary-fixed: light-dark(#002020, #002020);--mat-sys-on-primary-fixed-variant: light-dark(#004f4f, #004f4f);--mat-sys-on-secondary: light-dark(#ffffff, #1b3534);--mat-sys-on-secondary-container: light-dark(#324b4b, #cce8e7);--mat-sys-on-secondary-fixed: light-dark(#051f1f, #051f1f);--mat-sys-on-secondary-fixed-variant: light-dark(#324b4b, #324b4b);--mat-sys-on-surface: light-dark(#191c1c, #e0e3e2);--mat-sys-on-surface-variant: light-dark(#3f4948, #dae5e4);--mat-sys-on-tertiary: light-dark(#ffffff, #003739);--mat-sys-on-tertiary-container: light-dark(#004f53, #a1f0f5);--mat-sys-on-tertiary-fixed: light-dark(#002022, #002022);--mat-sys-on-tertiary-fixed-variant: light-dark(#004f53, #004f53);--mat-sys-outline: light-dark(#6f7979, #889392);--mat-sys-outline-variant: light-dark(#bec9c8, #3f4948);--mat-sys-primary: light-dark(#006a6a, #00dddd);--mat-sys-primary-container: light-dark(#00fbfb, #004f4f);--mat-sys-primary-fixed: light-dark(#00fbfb, #00fbfb);--mat-sys-primary-fixed-dim: light-dark(#00dddd, #00dddd);--mat-sys-scrim: light-dark(#000000, #000000);--mat-sys-secondary: light-dark(#4a6363, #b0cccb);--mat-sys-secondary-container: light-dark(#cce8e7, #324b4b);--mat-sys-secondary-fixed: light-dark(#cce8e7, #cce8e7);--mat-sys-secondary-fixed-dim: light-dark(#b0cccb, #b0cccb);--mat-sys-shadow: light-dark(#000000, #000000);--mat-sys-surface: light-dark(#f7faf9, #101414);--mat-sys-surface-bright: light-dark(#f7faf9, #363a39);--mat-sys-surface-container: light-dark(#ebefed, #1c2020);--mat-sys-surface-container-high: light-dark(#e6e9e7, #272b2a);--mat-sys-surface-container-highest: light-dark(#e0e3e2, #313635);--mat-sys-surface-container-low: light-dark(#f1f4f3, #191c1c);--mat-sys-surface-container-lowest: light-dark(#ffffff, #0b0f0e);--mat-sys-surface-dim: light-dark(#d7dbd9, #101414);--mat-sys-surface-tint: light-dark(#006a6a, #00dddd);--mat-sys-surface-variant: light-dark(#dae5e4, #3f4948);--mat-sys-tertiary: light-dark(#00696e, #85d3d9);--mat-sys-tertiary-container: light-dark(#a1f0f5, #004f53);--mat-sys-tertiary-fixed: light-dark(#a1f0f5, #a1f0f5);--mat-sys-tertiary-fixed-dim: light-dark(#85d3d9, #85d3d9);--mat-sys-neutral-variant20: #293232;--mat-sys-neutral10: #191c1c}html{--mat-sys-level0: 0px 0px 0px 0px rgba(0, 0, 0, .2), 0px 0px 0px 0px rgba(0, 0, 0, .14), 0px 0px 0px 0px rgba(0, 0, 0, .12)}html{--mat-sys-level1: 0px 2px 1px -1px rgba(0, 0, 0, .2), 0px 1px 1px 0px rgba(0, 0, 0, .14), 0px 1px 3px 0px rgba(0, 0, 0, .12)}html{--mat-sys-level2: 0px 3px 3px -2px rgba(0, 0, 0, .2), 0px 3px 4px 0px rgba(0, 0, 0, .14), 0px 1px 8px 0px rgba(0, 0, 0, .12)}html{--mat-sys-level3: 0px 3px 5px -1px rgba(0, 0, 0, .2), 0px 6px 10px 0px rgba(0, 0, 0, .14), 0px 1px 18px 0px rgba(0, 0, 0, .12)}html{--mat-sys-level4: 0px 5px 5px -3px rgba(0, 0, 0, .2), 0px 8px 10px 1px rgba(0, 0, 0, .14), 0px 3px 14px 2px rgba(0, 0, 0, .12)}html{--mat-sys-level5: 0px 7px 8px -4px rgba(0, 0, 0, .2), 0px 12px 17px 2px rgba(0, 0, 0, .14), 0px 5px 22px 4px rgba(0, 0, 0, .12)}html{--mat-sys-body-large: 400 1rem / 1.5rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-body-large-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-body-large-line-height: 1.5rem;--mat-sys-body-large-size: 1rem;--mat-sys-body-large-tracking: .031rem;--mat-sys-body-large-weight: 400;--mat-sys-body-medium: 400 .875rem / 1.25rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-body-medium-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-body-medium-line-height: 1.25rem;--mat-sys-body-medium-size: .875rem;--mat-sys-body-medium-tracking: .016rem;--mat-sys-body-medium-weight: 400;--mat-sys-body-small: 400 .75rem / 1rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-body-small-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-body-small-line-height: 1rem;--mat-sys-body-small-size: .75rem;--mat-sys-body-small-tracking: .025rem;--mat-sys-body-small-weight: 400;--mat-sys-display-large: 400 3.562rem / 4rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-display-large-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-display-large-line-height: 4rem;--mat-sys-display-large-size: 3.562rem;--mat-sys-display-large-tracking: -.016rem;--mat-sys-display-large-weight: 400;--mat-sys-display-medium: 400 2.812rem / 3.25rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-display-medium-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-display-medium-line-height: 3.25rem;--mat-sys-display-medium-size: 2.812rem;--mat-sys-display-medium-tracking: 0;--mat-sys-display-medium-weight: 400;--mat-sys-display-small: 400 2.25rem / 2.75rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-display-small-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-display-small-line-height: 2.75rem;--mat-sys-display-small-size: 2.25rem;--mat-sys-display-small-tracking: 0;--mat-sys-display-small-weight: 400;--mat-sys-headline-large: 400 2rem / 2.5rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-headline-large-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-headline-large-line-height: 2.5rem;--mat-sys-headline-large-size: 2rem;--mat-sys-headline-large-tracking: 0;--mat-sys-headline-large-weight: 400;--mat-sys-headline-medium: 400 1.75rem / 2.25rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-headline-medium-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-headline-medium-line-height: 2.25rem;--mat-sys-headline-medium-size: 1.75rem;--mat-sys-headline-medium-tracking: 0;--mat-sys-headline-medium-weight: 400;--mat-sys-headline-small: 400 1.5rem / 2rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-headline-small-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-headline-small-line-height: 2rem;--mat-sys-headline-small-size: 1.5rem;--mat-sys-headline-small-tracking: 0;--mat-sys-headline-small-weight: 400;--mat-sys-label-large: 500 .875rem / 1.25rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-label-large-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-label-large-line-height: 1.25rem;--mat-sys-label-large-size: .875rem;--mat-sys-label-large-tracking: .006rem;--mat-sys-label-large-weight: 500;--mat-sys-label-large-weight-prominent: 700;--mat-sys-label-medium: 500 .75rem / 1rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-label-medium-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-label-medium-line-height: 1rem;--mat-sys-label-medium-size: .75rem;--mat-sys-label-medium-tracking: .031rem;--mat-sys-label-medium-weight: 500;--mat-sys-label-medium-weight-prominent: 700;--mat-sys-label-small: 500 .688rem / 1rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-label-small-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-label-small-line-height: 1rem;--mat-sys-label-small-size: .688rem;--mat-sys-label-small-tracking: .031rem;--mat-sys-label-small-weight: 500;--mat-sys-title-large: 400 1.375rem / 1.75rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-title-large-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-title-large-line-height: 1.75rem;--mat-sys-title-large-size: 1.375rem;--mat-sys-title-large-tracking: 0;--mat-sys-title-large-weight: 400;--mat-sys-title-medium: 500 1rem / 1.5rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-title-medium-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-title-medium-line-height: 1.5rem;--mat-sys-title-medium-size: 1rem;--mat-sys-title-medium-tracking: .009rem;--mat-sys-title-medium-weight: 500;--mat-sys-title-small: 500 .875rem / 1.25rem Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-title-small-font: Roboto Flex, Roboto, system-ui, sans-serif;--mat-sys-title-small-line-height: 1.25rem;--mat-sys-title-small-size: .875rem;--mat-sys-title-small-tracking: .006rem;--mat-sys-title-small-weight: 500}html{--mat-sys-corner-extra-large: 28px;--mat-sys-corner-extra-large-top: 28px 28px 0 0;--mat-sys-corner-extra-small: 4px;--mat-sys-corner-extra-small-top: 4px 4px 0 0;--mat-sys-corner-full: 9999px;--mat-sys-corner-large: 16px;--mat-sys-corner-large-end: 0 16px 16px 0;--mat-sys-corner-large-start: 16px 0 0 16px;--mat-sys-corner-large-top: 16px 16px 0 0;--mat-sys-corner-medium: 12px;--mat-sys-corner-none: 0;--mat-sys-corner-small: 8px}html{--mat-sys-dragged-state-layer-opacity: .16;--mat-sys-focus-state-layer-opacity: .12;--mat-sys-hover-state-layer-opacity: .08;--mat-sys-pressed-state-layer-opacity: .12}html{--mat-sys-primary: light-dark(#00796B, #4DD0C4);--mat-sys-on-primary: light-dark(#FFFFFF, #00332D);--mat-sys-primary-container: light-dark(#D3EFEB, #0F3D38);--mat-sys-on-primary-container: light-dark(#00332D, #B8F0E8);--mat-sys-secondary: light-dark(#6B3A8C, #E0B6FF);--mat-sys-on-secondary: light-dark(#FFFFFF, #45205E);--mat-sys-secondary-container: light-dark(#F2DAFF, #5E3577);--mat-sys-on-secondary-container: light-dark(#2C0A45, #F2DAFF);--mat-sys-tertiary: light-dark(#00696E, #4FD8DC);--mat-sys-on-tertiary: light-dark(#FFFFFF, #003739);--mat-sys-tertiary-container: light-dark(#C4F0F0, #004F52);--mat-sys-on-tertiary-container: light-dark(#002022, #C4F0F0);--mat-sys-background: light-dark(#FFFFFF, #131416);--mat-sys-surface: light-dark(#FFFFFF, #1A1C1F);--mat-sys-surface-container-lowest: light-dark(#FFFFFF, #0F1012);--mat-sys-surface-container-low: light-dark(#F7F8F9, #1E2023);--mat-sys-surface-container: light-dark(#F1F3F4, #222528);--mat-sys-surface-container-high: light-dark(#EBEDEF, #2A2D31);--mat-sys-surface-container-highest: light-dark(#E4E6E9, #33363A);--mat-sys-surface-variant: light-dark(#E4E6E9, #33363A);--mat-sys-on-surface: light-dark(#1F2328, #E8EAED);--mat-sys-on-surface-variant: light-dark(#5F6670, #A6ADB5);--mat-sys-outline: light-dark(#8A9199, #80878F);--mat-sys-outline-variant: light-dark(#E1E4E8, #2F3337);--mdc-chip-elevated-selected-container-color: var(--mat-sys-primary-container);--mdc-chip-selected-label-text-color: var(--mat-sys-on-primary-container);--mdc-chip-with-icon-selected-icon-color: var(--mat-sys-on-primary-container);--mdc-chip-selected-hover-state-layer-color: var(--mat-sys-on-primary-container);--mdc-chip-selected-focus-state-layer-color: var(--mat-sys-on-primary-container);--app-buy: light-dark(#D9481F, #C4421F);--app-on-buy: light-dark(#FFFFFF, #FFFFFF);--app-buy-text: light-dark(#C4421F, #FF8A65);--app-success: light-dark(#1E7A3C, #7DD99A);--app-success-container: light-dark(#D3F2DC, #11371F);--app-warning: light-dark(#8A5A00, #F2C063);--app-exam-container: light-dark(#E0F2F0, #0F3330);--app-on-exam-container: light-dark(#00332D, #C4F0EA);--app-skills: light-dark(#2F5BD3, #8AB4F8);--app-on-skills: light-dark(#FFFFFF, #0B2559);--app-skills-container: light-dark(#E8EEFC, #1A2744);--app-on-skills-container: light-dark(#0F2257, #D6E4FF);--app-grade: light-dark(#6B3A8C, #E0B6FF);--app-grade-container: light-dark(#F3ECF8, #2E1F3A);--app-on-grade-container: light-dark(#3A1F4D, #F0DBFF);--app-buy-container: light-dark(#FDEDE7, #3A1A10);--kid-0: light-dark(#7B3FB0, #D9B8FF);--kid-0-bg: light-dark(#F1E4FC, #3A2550);--kid-1: light-dark(#C2410C, #FFB38A);--kid-1-bg: light-dark(#FDE7DA, #45240F);--kid-2: light-dark(#0F766E, #6EE0D2);--kid-2-bg: light-dark(#D7F3EF, #10332F);--kid-3: light-dark(#BE185D, #FF9CC6);--kid-3-bg: light-dark(#FCE3EE, #451528);--kid-4: light-dark(#1D5FD1, #9CC0FF);--kid-4-bg: light-dark(#E0EAFD, #172B4D);--app-reward: light-dark(#A65F00, #FFB74D);--app-reward-container: light-dark(#FFF0D9, #33260F);--app-freeze: light-dark(#1E6FA8, #8CC8F2);--app-freeze-container: light-dark(#E1EEF8, #13283A);--app-on-buy-container: light-dark(#5A1C0B, #FFDBCF);--brand-gradient-warm: linear-gradient(135deg, #EE2D24, #F1603D 45%, #F3AF1C);--brand-gradient-cool: linear-gradient(135deg, #7D3F98, #3B3092)}html.theme-light{color-scheme:light}.logo-on-dark,html.theme-dark .logo-on-light{display:none}html.theme-dark .logo-on-dark{display:inline}@media(prefers-color-scheme:dark){html:not(.theme-light) .logo-on-light{display:none}html:not(.theme-light) .logo-on-dark{display:inline}}.mat-mdc-unelevated-button.buy{--mdc-filled-button-container-color: var(--app-buy);--mdc-filled-button-label-text-color: var(--app-on-buy)}html.theme-dark{color-scheme:dark}html,body{height:100%}html{--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}.mat-toolbar.topbar{padding-top:var(--safe-top);height:calc(var(--mat-toolbar-standard-height, 64px) + var(--safe-top))}@media(max-width:599px){.mat-toolbar.topbar{height:calc(var(--mat-toolbar-mobile-height, 56px) + var(--safe-top))}}body{margin:0;background:var(--mat-sys-background);color:var(--mat-sys-on-surface);font:var(--mat-sys-body-large)}.chip{display:inline-flex;align-items:center;gap:4px;font:var(--mat-sys-label-medium);padding:4px 10px;border-radius:8px;white-space:nowrap}.chip.free{background:var(--mat-sys-tertiary-container);color:var(--mat-sys-on-tertiary-container)}.chip.owned{background:var(--mat-sys-primary-container);color:var(--mat-sys-on-primary-container)}.chip.grading{background:var(--mat-sys-secondary-container);color:var(--mat-sys-on-secondary-container)}.chip.graded{background:var(--app-success-container);color:var(--app-success)}.chip.locked{border:1px solid var(--mat-sys-outline-variant);color:var(--mat-sys-on-surface-variant)}.chip.waiting{background:light-dark(#FFF1D6,#3A2C0A);color:var(--app-warning)}.chip.soon{background:light-dark(#FFF1D6,#3A2C0A);color:var(--app-warning);font-weight:600}.soon-note{margin:0;padding:10px 14px;border-radius:12px;background:light-dark(#FFF1D6,#3A2C0A);color:var(--app-warning)}.page{max-width:960px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:16px}.muted{color:var(--mat-sys-on-surface-variant)}.num{font-variant-numeric:tabular-nums}.bottom-nav .lbl{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.rail .short{display:none}.paper-coin{position:fixed;z-index:1000;width:24px;height:24px;border-radius:50%;pointer-events:none;background:#ffd54f;color:#3b2a00;font:800 12px/24px var(--app-font, sans-serif);text-align:center;box-shadow:0 0 12px 4px #ffd54f8c}.choice-btn{position:relative;display:flex;align-items:center;gap:14px;width:100%;box-sizing:border-box;min-height:68px;padding:12px 16px;border-radius:16px;border:1px solid var(--mat-sys-outline-variant);background:var(--mat-sys-surface-container-low);color:var(--mat-sys-on-surface);text-align:left;font:var(--mat-sys-label-large);font-size:16px;cursor:pointer}.choice-btn .ic{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--mat-sys-surface-container-highest)}.choice-btn .ic mat-icon{font-size:20px;width:20px;height:20px}.choice-btn .txt{flex:1;display:flex;flex-direction:column;gap:2px}.choice-btn .sub{font:var(--mat-sys-body-small);color:var(--mat-sys-on-surface-variant)}.choice-btn .chev{flex:none;color:var(--mat-sys-on-surface-variant)}.choice-btn:hover{background:var(--mat-sys-surface-container)}.choice-btn:focus-visible{outline:2px solid var(--mat-sys-primary);outline-offset:2px}.choice-btn.primary{border:2px solid var(--mat-sys-primary)}.choice-btn.primary .ic{background:#fff;box-shadow:0 0 0 1px var(--mat-sys-outline-variant)}.choice-btn .tag{position:absolute;top:-11px;right:16px;font:var(--mat-sys-label-small);padding:2px 10px;border-radius:10px;border:1px solid color-mix(in srgb,var(--mat-sys-primary) 45%,transparent);background:var(--mat-sys-primary-container);color:var(--mat-sys-on-primary-container)}.file-viewer-panel .mat-mdc-dialog-surface{border-radius:0;overflow:hidden}.mat-icon.dg-ai{font-size:15px;width:15px;height:15px;margin-right:4px;vertical-align:-3px;font-variation-settings:"FILL" 1;animation:dg-ai 1.6s ease-in-out infinite}@keyframes dg-ai{0%,to{transform:scale(.85) rotate(0);opacity:.6}50%{transform:scale(1.15) rotate(20deg);opacity:1}}@media(prefers-reduced-motion:reduce){.mat-icon.dg-ai{animation:none}}body.content-guard{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}body.content-guard img{-webkit-user-drag:none}body.content-guard input,body.content-guard textarea,body.content-guard [contenteditable=true]{user-select:text;-webkit-user-select:text}@media print{body.content-guard>*{display:none!important}body.content-guard:after{content:"Tests and results can't be printed.";display:block;padding:40px;font:16px sans-serif}}@media(pointer:coarse){input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select{font-size:max(16px,1em)!important}}.pick-field{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}.pick-field app-pick{--pick-height: 56px;--pick-radius: 8px}.pick-field .pick-label{font:var(--mat-sys-body-small);color:var(--mat-sys-on-surface-variant)}.pick-field .pick-hint{font:var(--mat-sys-body-small);color:var(--mat-sys-on-surface-variant);padding-left:16px}