:root{--tg-surface: #f2f2f2;--tg-hint: #6b7280;--tg-button: #1454a3;--tg-button-text: #ffffff;--app-bg: #ffffff;--surface: #ffffff;--surface-alt: #eaf3ff;--surface-rose: #fff0f0;--primary: #1454a3;--primary-dark: #0f2d5c;--accent: #ff4b4b;--text-main: #0f2d5c;--text-muted: #6b7280;--border-soft: #e5eaf2;--shadow-soft: 0 18px 40px rgba(20, 84, 163, .08);--shadow-card: 0 12px 28px rgba(15, 45, 92, .08);--screen-max: 430px;--page-gutter: 12px;--frame-width-mobile: 100vw;--frame-inner-padding: 12px;--frame-safe-inline: max(env(safe-area-inset-left), env(safe-area-inset-right));--tab-bar-height: 56px;--section-offset: 28px;--section-stack-gap: 18px;--section-heading-gap: 16px;--card-radius-lg: 16px;--useful-grid-column: 100px;--useful-grid-gap: 8px;--useful-card-size: 100px;--useful-card-padding: 12px 10px 10px;--useful-icon-box: 42px;--useful-icon-size: 36px;--useful-title-size: 12px;--program-grid-gap: 7px;--program-card-min-height: 138px;--program-card-padding: 13px 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