/* Polyglot AI 5.5 — scientific structure for every function */
:root{--v55-border:rgba(255,255,255,.11);--v55-soft:#aebed8;--v55-primary:#8b7cf6;--v55-panel:rgba(255,255,255,.045)}
.v55-function-page{display:flex!important;flex-direction:column!important;gap:13px!important;max-width:1320px!important;margin-inline:auto!important}
.v55-function-page>.v54-context{display:none!important}
.v55-function-page>.section-heading,.v55-function-page>.coach-page-head{display:none!important}
.v55-function-hero{padding:18px;border:1px solid var(--v55-border);border-radius:22px;background:linear-gradient(145deg,rgba(109,94,252,.15),rgba(255,255,255,.04));box-shadow:0 16px 42px rgba(2,8,22,.18)}
.v55-breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:13px;color:#8fa2c2;font-size:11px}.v55-breadcrumb button{min-height:30px;padding:0;border:0;background:none;color:#d3def0;display:flex;align-items:center;gap:6px;cursor:pointer;font:inherit}.v55-breadcrumb button span{font-size:17px}.v55-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.5fr);gap:18px;align-items:end}.v55-title small{font-size:9px;font-weight:900;letter-spacing:.14em;color:#a99cff}.v55-title h1{font-size:clamp(28px,3.2vw,42px);line-height:1.08;letter-spacing:-.04em;margin:5px 0 8px}.v55-title p{max-width:720px;color:#c8d5ea;line-height:1.6;margin:0;font-size:14px}.v55-facts{display:grid;grid-template-columns:1fr 1fr;gap:8px}.v55-fact{min-height:76px;padding:11px;border:1px solid rgba(255,255,255,.09);border-radius:15px;background:rgba(255,255,255,.04);display:flex;flex-direction:column;justify-content:center}.v55-fact small{font-size:9px;color:#91a3c0;text-transform:uppercase;letter-spacing:.08em}.v55-fact b{font-size:12px;line-height:1.35;margin-top:4px}.v55-actions{display:flex;gap:8px;margin-top:15px}.v55-actions button{min-height:42px;padding:0 15px;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:7px;font-weight:800;cursor:pointer}.v55-start{border:0;color:#fff;background:linear-gradient(135deg,#8b5cf6,#5b4df3)}.v55-options{border:1px solid var(--v55-border);background:rgba(255,255,255,.05);color:#edf2ff}.v55-options.active{border-color:rgba(167,139,250,.55);background:rgba(124,92,255,.15)}
.v55-method{padding:12px 14px;border:1px solid rgba(255,255,255,.09);border-radius:17px;background:var(--v55-panel);display:grid;grid-template-columns:minmax(180px,.48fr) 1.52fr;gap:14px;align-items:center}.v55-method-title{display:flex;gap:9px;align-items:center}.v55-method-icon{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:rgba(124,92,255,.15);color:#c7bcff;font-size:18px}.v55-method-title small{display:block;font-size:8px;letter-spacing:.13em;color:#91a2c0}.v55-method-title b{display:block;font-size:12px;margin-top:2px}.v55-steps{display:flex;align-items:center;justify-content:flex-end;gap:6px}.v55-step{display:flex;align-items:center;gap:6px;min-width:0}.v55-step i{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:rgba(124,92,255,.15);font-style:normal;font-size:10px;font-weight:900}.v55-step b{font-size:10px;white-space:nowrap}.v55-step em{font-style:normal;color:#63718c;margin-left:4px}.v55-advanced-note{display:none;align-items:flex-start;gap:10px;padding:11px 13px;border:1px solid rgba(56,189,248,.22);border-radius:14px;background:rgba(56,189,248,.07)}.v55-show-advanced>.v55-advanced-note{display:flex}.v55-advanced-note>span{font-size:18px;color:#61cef6}.v55-advanced-note b{font-size:11px}.v55-advanced-note p{margin:2px 0 0;color:#aebed8;font-size:10px;line-height:1.45}
/* Default: one clear core activity; options are revealed deliberately */
.v55-function-page:not(.v55-show-advanced) :is(.purpose-selector,.purpose-grid,.purpose-heading,.level-tabs,.mini-level-tabs,.vocab-session-guide,.skill-focus-box,.course-purpose-panel,.dashboard-purpose-panel,.reader-tools,.ai-topic-suggestions,.ai-budget-warning,.budget-dashboard,.cost-control-grid,.cost-mode-grid,.cost-switches,.ai-adaptive-info,.vocab-overview-stat:nth-child(n+3)){display:none!important}
.v55-function-page :is(.glass,.skill-unit-card,.vocab-pack-card,.review-card,.placement-card,.reader-paper,.scenario-panel,.character-main,.character-list){border-radius:17px!important;box-shadow:0 9px 26px rgba(3,8,20,.15)!important}.v55-function-page :is(.skill-unit-grid,.unit-grid,.vocab-pack-grid,.dashboard-skill-grid){gap:10px!important}.v55-function-page :is(.skill-unit-card,.vocab-pack-card,.unit-card){padding:14px!important}.v55-function-page button{scroll-margin-top:88px}.v55-function-page .empty-state{min-height:240px;display:grid;place-items:center;text-align:center}.v55-function-page :is(input,select,textarea){border-radius:12px!important}
/* Special full-screen functions use the same learning sequence */
.v55-overlay-guide{margin:0 14px 10px;padding:10px 12px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(255,255,255,.045);display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}.v55-overlay-guide::-webkit-scrollbar{display:none}.v55-overlay-guide b{font-size:10px;white-space:nowrap}.v55-overlay-guide span{display:flex;align-items:center;gap:5px;color:#b9c6de;font-size:9px;white-space:nowrap}.v55-overlay-guide i{width:21px;height:21px;border-radius:7px;background:rgba(124,92,255,.16);display:grid;place-items:center;font-style:normal;font-weight:900;color:#fff}.v55-overlay-guide em{font-style:normal;color:#65738e}
@media(max-width:980px){.v55-function-page{gap:9px!important}.v55-function-hero{padding:13px;border-radius:18px}.v55-breadcrumb{margin-bottom:9px}.v55-hero-grid{grid-template-columns:1fr;gap:11px}.v55-title h1{font-size:27px}.v55-title p{font-size:12px;line-height:1.55}.v55-facts{grid-template-columns:1fr 1fr}.v55-fact{min-height:64px;padding:9px}.v55-fact b{font-size:10px}.v55-actions{display:grid;grid-template-columns:1fr auto;margin-top:12px}.v55-method{grid-template-columns:1fr;padding:10px;gap:6px}.v55-method-title{display:none}.v55-steps{justify-content:space-between;gap:2px}.v55-step{flex:1;justify-content:center}.v55-step b{font-size:9px;white-space:normal;text-align:center;line-height:1.25}.v55-step em{display:none}.v55-function-page :is(.skill-unit-grid,.unit-grid,.vocab-pack-grid,.dashboard-skill-grid){grid-template-columns:1fr!important}.v55-overlay-guide{margin-inline:8px}}
@media(max-width:420px){.v55-function-hero{padding:11px}.v55-title h1{font-size:24px}.v55-actions{grid-template-columns:1fr}.v55-options{width:100%}.v55-step i{width:21px;height:21px}.v55-step b{font-size:8px}}