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a{min-height:125px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:16px;grid-template-columns:auto 1fr;align-content:space-between;column-gap:16px;padding:22px;text-decoration:none;display:grid}.source-file-grid a>span{color:var(--accent);grid-row:1/3;font-size:.72rem;font-weight:900}.source-file-grid strong{line-height:1.4}.source-file-grid small{color:var(--muted)}.site-footer{color:var(--muted);border-top:1px solid var(--line);background:#e9eeea;padding-block:44px}.site-footer>div{align-items:center;gap:14px;display:flex}.site-footer p{margin:0 auto 0 0;line-height:1.4}.site-footer small{text-align:right}@media (width<=900px){.hero{grid-template-columns:1fr}.hero-stat{display:none}.deck-layout{grid-template-columns:1fr}.deck-sidebar{grid-template-columns:1fr auto;align-items:end;gap:14px;display:grid;position:static}.deck-sidebar .progress-card,.deck-sidebar .deck-tip{grid-column:1/-1}.deck-sidebar 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.text-button{margin-top:18px}.card-front strong{font-size:clamp(1.75rem,8vw,2.5rem)}.card-back p{font-size:1.05rem}.rating-row{gap:5px}.rating-row button{padding-inline:5px;font-size:.72rem}.study-module summary{padding-inline:16px}.module-content{grid-template-columns:1fr;padding:24px 18px 28px}.practice-card{padding:20px}.practice-answer{grid-template-columns:1fr;padding:20px}.practice-answer .source-links{grid-column:auto}.item-sources{grid-template-columns:1fr;gap:7px}.item-sources>span{padding-top:0}.exam-start{gap:30px}.exam-facts,.source-file-grid{grid-template-columns:1fr}.site-footer{padding-bottom:90px}.site-footer small{display:none}body{padding-bottom:66px;overflow-x:hidden}.shell,.header-inner{width:min(var(--max), calc(100% - 24px))}.password-gate{padding:14px}.password-card{border-radius:20px;padding:25px 22px}.password-card .brand-mark{margin-bottom:20px}.password-card h1{font-size:clamp(2.2rem,12vw,3rem)}.header-inner{min-height:62px}.brand{gap:9px}.brand strong{font-size:.9rem}.brand-mark{border-radius:11px 4px 11px 11px;width:38px;height:38px}.tab-nav{z-index:50;padding:6px 4px max(6px, env(safe-area-inset-bottom));border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff7;border-bottom:0;border-radius:16px 16px 0 0;gap:2px;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 30px #0a1e141f}.tab-nav button{overflow-wrap:anywhere;flex:20%;min-width:0;min-height:52px;padding:5px 2px;font-size:clamp(.58rem,2.5vw,.68rem);line-height:1.12}.subject-bar{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;padding-top:12px;display:grid;overflow:visible}.subject-bar button{text-align:center;border-radius:14px;justify-content:center;align-items:center;gap:7px;min-width:0;min-height:86px;padding:10px 4px}.subject-bar button span{border-radius:8px;width:38px;height:29px;font-size:.64rem}.subject-bar button>strong{overflow-wrap:anywhere;max-width:100%;font-size:clamp(.58rem,2.45vw,.7rem);line-height:1.12}.hero{gap:0;padding-block:44px 52px}.hero h1,.page-section h1{letter-spacing:-.055em;-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere;font-size:clamp(2.55rem,12vw,3.4rem);line-height:.96}.hero-lead{margin-bottom:24px}.hero-actions{grid-template-columns:1fr;display:grid}.hero-actions .primary-button,.hero-actions .secondary-button{width:100%}.focus-strip{display:none}.study-section,.page-section{padding-block:54px 88px}.section-heading{margin-bottom:24px}.section-heading h2{font-size:2.15rem}.deck-layout{gap:16px}.deck-sidebar{border-radius:14px;padding:15px}.deck-sidebar .progress-card{margin-block:14px;padding-block:14px}.deck-sidebar .text-button{min-height:38px;margin-top:4px;padding:4px 0}.deck-sidebar .deck-tip{display:none}.deck-meta{gap:12px}.deck-meta span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.flashcard,.card-face{min-height:340px}.card-face{border-radius:18px;padding:24px 22px}.card-front strong{margin-block:34px;font-size:clamp(1.55rem,7.2vw,2.15rem);line-height:1.13}.card-back p{margin-block:24px;font-size:1rem;line-height:1.5}.item-sources{padding:12px}.source-links a{overflow-wrap:anywhere;max-width:100%}.deck-controls{grid-template-columns:46px 1fr 46px}.deck-controls button,.rating-row button{min-height:48px}.study-module summary{gap:12px;min-height:78px}.study-module summary strong{line-height:1.25}.practice-card{border-radius:15px;padding:18px 16px}.practice-question{gap:12px}.practice-answer{gap:18px;padding:18px 16px}.exam-setup{border-radius:18px;padding:22px 18px}.exam-question{padding-block:44px 34px}.exam-answer{border-radius:18px;padding:24px 18px}.site-footer>div{align-items:flex-start}}@media (width<=370px){.shell,.header-inner{width:min(var(--max), calc(100% - 18px))}.tab-nav button,.subject-bar button>strong{font-size:.56rem}.hero h1,.page-section h1{font-size:2.42rem}.card-face{padding-inline:18px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}