:root{--cmtai-primary: var(--cmc-plugin-primary);--cmtai-text: var(--cmc-theme-text-color);--cmtai-bg: var(--cmc-theme-background-color);--cmtai-font: var(--cmc-theme-font-family);--cmtai-text-secondary: color-mix(in srgb, var(--cmc-theme-text-color) 70%, transparent);--cmtai-text-muted: color-mix(in srgb, var(--cmc-theme-text-color) 50%, transparent);--cmtai-bg-light: color-mix(in srgb, var(--cmc-theme-text-color) 6%, var(--cmc-theme-background-color));--cmtai-border: color-mix(in srgb, var(--cmc-theme-text-color) 20%, var(--cmc-theme-background-color));--cmtai-input-border: color-mix(in srgb, var(--cmc-theme-text-color) 20%, var(--cmc-theme-background-color));--cmtai-input-focus: var(--cmtai-primary);--cmtai-input-bg: var(--cmc-input-bg);--cmtai-btn-hover-bg: color-mix(in srgb, var(--cmtai-primary) 85%, transparent);--cmtai-accent-bg: color-mix(in srgb, var(--cmtai-primary) 8%, var(--cmc-theme-background-color));--cmtai-accent-bg-subtle: color-mix(in srgb, var(--cmtai-primary) 4%, var(--cmc-theme-background-color));--cmtai-accent-border: color-mix(in srgb, var(--cmtai-primary) 20%, var(--cmc-theme-background-color));--cmtai-disabled: color-mix(in srgb, var(--cmc-theme-text-color) 30%, var(--cmc-theme-background-color));--cmtai-success: #2e7d32;--cmtai-success-bg: color-mix(in srgb, #2e7d32 10%, var(--cmc-theme-background-color));--cmtai-success-border: color-mix(in srgb, #2e7d32 30%, var(--cmc-theme-background-color));--cmtai-error: #c62828;--cmtai-error-bg: color-mix(in srgb, #c62828 10%, var(--cmc-theme-background-color));--cmtai-error-border: color-mix(in srgb, #c62828 30%, var(--cmc-theme-background-color));--cmtai-warning: #f57f17;--cmtai-warning-bg: color-mix(in srgb, #f57f17 10%, var(--cmc-theme-background-color));--cmtai-radius: 8px;--cmtai-radius-sm: 4px;--cmtai-radius-lg: 12px;--cmtai-shadow-sm: 0 1px 3px rgba(0,0,0,.1);--cmtai-shadow-md: 0 4px 12px rgba(0,0,0,.15);--cmtai-transition: .2s;--cmtai-input-radius: 8px;--cmtai-btn-padding: var(--cmc-theme-button-padding-y) var(--cmc-theme-button-padding-x);--cmtai-btn-font-size: var(--cmc-theme-button-font-size);--cmtai-btn-radius: var(--cmc-theme-button-border-radius);--cmtai-btn-transition: all .2s ease-in-out;--cmtai-text-on-primary: var(--cmc-theme-button-text-color, #fff)}.cmtai-app-container{max-width:960px;margin:0 auto;padding:20px;font-family:var(--cmtai-font)}.cmtai-loading{text-align:center;padding:60px 20px;color:var(--cmtai-text-muted)}.cmtai-spinner{width:40px;height:40px;margin:0 auto 16px;border:3px solid var(--cmtai-border);border-top-color:var(--cmtai-primary);border-radius:50%;animation:cmtai-spin .8s linear infinite}@keyframes cmtai-spin{to{transform:rotate(360deg)}}.cmtai-error{text-align:center;padding:40px 20px;color:var(--cmtai-error)}.cmtai-error-banner{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;margin-bottom:20px;background:var(--cmtai-error-bg);border:1px solid var(--cmtai-error-border);border-radius:var(--cmtai-radius);color:var(--cmtai-error)}.cmtai-error-banner button{background:none;border:none;font-size:18px;cursor:pointer;color:var(--cmtai-error)}.cmtai-step{animation:cmtai-fadein .3s ease}@keyframes cmtai-fadein{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.cmtai-step__title{text-align:center;font-size:20px;font-weight:600;margin-bottom:24px;color:var(--cmtai-text)}.cmtai-option-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:20px}.cmtai-option-grid--compact{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.cmtai-option-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 16px;border:2px solid var(--cmtai-border);border-radius:var(--cmtai-radius-lg);background:var(--cmtai-bg);cursor:pointer;transition:all .2s ease;text-align:center}.cmtai-option-card:hover{border-color:var(--cmtai-primary);box-shadow:0 2px 8px #6b5ce726}.cmtai-option-card--selected{border-color:var(--cmtai-primary);background:var(--cmtai-accent-bg)}.cmtai-option-card__code{font-size:12px;color:var(--cmtai-text-muted);text-transform:uppercase}.cmtai-option-card__name{font-size:15px;font-weight:500;color:var(--cmtai-text)}.cmtai-option-card__meta{font-size:13px;color:var(--cmtai-text-muted)}.cmtai-option-card--locked{opacity:.55;cursor:pointer;position:relative}.cmtai-option-card--locked:hover{border-color:var(--cmtai-border);box-shadow:none}.cmtai-option-card__lock{font-size:16px;line-height:1}.cmtai-login-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:10000}.cmtai-login-modal{background:var(--cmtai-bg);border-radius:var(--cmtai-radius-lg);padding:32px 28px;text-align:center;max-width:340px;width:90%;box-shadow:0 8px 32px #0003}.cmtai-login-modal p{margin:0 0 20px;font-size:16px;color:var(--cmtai-text);line-height:1.5}.cmtai-login-modal__actions{display:flex;gap:10px;justify-content:center}.cmtai-login-modal__actions a{text-decoration:none}.cmtai-btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--cmtai-btn-padding);border:none;border-radius:var(--cmtai-btn-radius);font-size:var(--cmtai-btn-font-size);font-weight:500;cursor:pointer;transition:var(--cmtai-btn-transition)}.cmtai-btn:disabled{opacity:.5;cursor:not-allowed}.cmtai-btn--primary{background:var(--cmtai-primary);color:var(--cmtai-text-on-primary)}.cmtai-btn--primary:hover:not(:disabled){background:var(--cmtai-btn-hover-bg)}.cmtai-btn--secondary{background:var(--cmtai-bg-light);color:var(--cmtai-text)}.cmtai-btn--secondary:hover:not(:disabled){background:var(--cmtai-border)}.cmtai-btn--text{background:none;color:var(--cmtai-text-muted);padding:8px 16px}.cmtai-btn--text:hover{color:var(--cmtai-text)}.cmtai-actions{display:flex;justify-content:center;gap:12px;margin-top:24px}.cmtai-tabs{display:flex;justify-content:center;gap:4px;margin-bottom:24px;border-bottom:2px solid var(--cmtai-border);padding-bottom:0}.cmtai-tabs__btn{padding:10px 24px;border:none;background:none;font-size:15px;font-weight:500;color:var(--cmtai-text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s ease}.cmtai-tabs__btn:hover{color:var(--cmtai-text-secondary)}.cmtai-tabs__btn--active{color:var(--cmtai-primary);border-bottom-color:var(--cmtai-primary)}.cmtai-tutor__confirm-overlay,.cmtai-roleplay__confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:10000}.cmtai-tutor__confirm-dialog,.cmtai-roleplay__confirm-dialog{background:var(--cmtai-bg);border-radius:var(--cmtai-radius-lg);padding:32px 28px;text-align:center;max-width:340px;width:90%;box-shadow:0 8px 32px #0003}.cmtai-tutor__confirm-dialog p,.cmtai-roleplay__confirm-dialog p{margin:0 0 20px;font-size:16px;color:var(--cmtai-text);line-height:1.5}.cmtai-tutor__confirm-actions,.cmtai-roleplay__confirm-actions{display:flex;gap:10px;justify-content:center}@media (max-width: 480px){.cmtai-option-grid{grid-template-columns:1fr}}.cmtai-slots{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;justify-content:center}.cmtai-slot{display:flex;flex-direction:column;align-items:center;width:110px;min-height:130px;padding:8px;border:2px dashed var(--cmtai-border);border-radius:10px;cursor:pointer;transition:all .2s ease;background:var(--cmtai-bg-light)}.cmtai-slot--active{border-color:var(--cmtai-primary);border-style:solid;background:var(--cmtai-accent-bg)}.cmtai-slot--filled{border-style:solid;border-color:var(--cmtai-disabled);background:var(--cmtai-bg)}.cmtai-slot__label{font-size:11px;font-weight:600;color:var(--cmtai-text-muted);text-transform:uppercase;margin-bottom:4px}.cmtai-slot__empty{font-size:24px;color:var(--cmtai-disabled);margin-top:8px}.cmtai-slot__card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px}.cmtai-slot__img-wrap{width:48px;height:74px;border-radius:3px;overflow:hidden;box-shadow:0 1px 3px #00000026}.cmtai-slot__img-wrap--reversed{transform:rotate(180deg)}.cmtai-slot__img{width:100%;height:100%;object-fit:contain;display:block}.cmtai-slot__name{display:block;font-size:12px;font-weight:500;color:var(--cmtai-text);margin-bottom:4px}.cmtai-slot__name--reversed{color:var(--cmtai-error)}.cmtai-slot__controls{display:flex;gap:4px;justify-content:center}.cmtai-slot__orientation{font-size:10px;padding:2px 6px;border:1px solid var(--cmtai-border);border-radius:var(--cmtai-radius-sm);background:var(--cmtai-bg-light);cursor:pointer;transition:all .2s ease}.cmtai-slot__orientation--u{background:var(--cmtai-success-bg);border-color:var(--cmtai-success-border);color:var(--cmtai-success)}.cmtai-slot__orientation--r{background:var(--cmtai-error-bg);border-color:var(--cmtai-error-border);color:var(--cmtai-error)}.cmtai-slot__remove{font-size:14px;padding:0 4px;border:none;background:none;color:var(--cmtai-text-muted);cursor:pointer}.cmtai-slot__remove:hover{color:var(--cmtai-error)}.cmtai-picker{border:1px solid var(--cmtai-border);border-radius:var(--cmtai-radius-lg);overflow:hidden;background:var(--cmtai-bg)}.cmtai-picker__search{width:100%;padding:12px 16px;border:none;border-bottom:1px solid var(--cmtai-border);font-size:14px;outline:none;box-sizing:border-box}.cmtai-picker__search:focus{background:var(--cmtai-bg-light)}.cmtai-picker__tabs{display:flex;overflow-x:auto;border-bottom:1px solid var(--cmtai-border)}.cmtai-picker__tab{flex:1;padding:10px 8px;border:none;background:none;font-size:13px;color:var(--cmtai-text-muted);cursor:pointer;white-space:nowrap;transition:all .2s}.cmtai-picker__tab--active{color:var(--cmtai-primary);border-bottom:2px solid var(--cmtai-primary);font-weight:600}.cmtai-picker__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:6px;padding:12px;max-height:400px;overflow-y:auto}.cmtai-picker__card{padding:8px 6px;border:1px solid var(--cmtai-border);border-radius:var(--cmtai-radius);background:var(--cmtai-bg);cursor:pointer;text-align:center;transition:all .15s ease;display:flex;flex-direction:column;align-items:center;gap:4px}.cmtai-picker__card-img{width:52px;height:80px;object-fit:contain;border-radius:3px;box-shadow:0 1px 2px #0000001f}.cmtai-picker__card:hover:not(:disabled){border-color:var(--cmtai-primary);background:var(--cmtai-accent-bg-subtle)}.cmtai-picker__card--used{opacity:.4;cursor:default}.cmtai-picker__card-name{display:block;font-size:13px;color:var(--cmtai-text)}.cmtai-picker__card-check{display:block;font-size:10px;color:var(--cmtai-primary);margin-top:2px}.cmtai-spread-viz{margin:24px auto;max-width:700px;padding:20px 16px;border:1px solid var(--cmtai-border);border-radius:var(--cmtai-radius-lg)}.cmtai-spread-viz__row{display:flex;justify-content:center;gap:8px;margin-bottom:8px}.cmtai-spread-viz__cell{width:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:var(--cmtai-radius);font-size:11px;padding:4px}.cmtai-spread-viz__cell--empty{visibility:hidden}.cmtai-spread-viz__cell--card{background:var(--cmtai-accent-bg);border:1px solid var(--cmtai-accent-border)}.cmtai-spread-viz__cell--reversed{background:var(--cmtai-error-bg);border-color:var(--cmtai-error-border)}.cmtai-spread-viz__position{font-weight:600;color:var(--cmtai-primary);font-size:10px;text-transform:uppercase;margin-bottom:2px}.cmtai-spread-viz__card-code{color:var(--cmtai-text-secondary);font-size:10px}.cmtai-spread-viz__img-wrap{width:52px;height:80px;border-radius:var(--cmtai-radius-sm);overflow:hidden;box-shadow:0 1px 3px #00000026}.cmtai-spread-viz__img-wrap--reversed{transform:rotate(180deg)}.cmtai-spread-viz__img-wrap--rotated{transform:rotate(-90deg)}.cmtai-spread-viz__img-wrap--rotated.cmtai-spread-viz__img-wrap--reversed{transform:rotate(90deg)}.cmtai-spread-viz__img{width:100%;height:100%;object-fit:contain;display:block}.cmtai-card-flip{perspective:800px;width:80px;height:120px;margin:0 auto 16px}.cmtai-card-flip__inner{position:relative;width:100%;height:100%;transition:transform .6s ease;transform-style:preserve-3d}.cmtai-card-flip--revealed .cmtai-card-flip__inner{transform:rotateY(180deg)}.cmtai-card-flip__front,.cmtai-card-flip__back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:var(--cmtai-radius)}.cmtai-card-flip__front{background:linear-gradient(135deg,var(--cmtai-primary) 0%,color-mix(in srgb,var(--cmtai-primary),#000 30%) 100%)}.cmtai-card-flip__front:after{content:"";position:absolute;top:15%;right:15%;bottom:15%;left:15%;border:2px solid rgba(255,255,255,.3);border-radius:var(--cmtai-radius)}.cmtai-card-flip__back{transform:rotateY(180deg)}.cmtai-card-flip__back img{width:100%;height:100%;object-fit:contain;border-radius:var(--cmtai-radius)}.cmtai-card-flip__back--reversed img{transform:rotate(180deg)}.cmtai-card-flip__front-img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.cmtai-spread-viz__card-back{width:52px;height:80px;background:linear-gradient(135deg,var(--cmtai-primary) 0%,color-mix(in srgb,var(--cmtai-primary),#000 30%) 100%);border-radius:4px;position:relative;flex-shrink:0}.cmtai-spread-viz__card-back:after{content:"";position:absolute;top:15%;right:15%;bottom:15%;left:15%;border:1.5px solid rgba(255,255,255,.25);border-radius:4px}.cmtai-spread-viz__back-img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.cmtai-spread-viz__card-back--rotated{transform:rotate(90deg)}@media (max-width: 480px){.cmtai-slot{width:90px;min-height:110px}.cmtai-slot__img-wrap{width:40px;height:62px}.cmtai-picker__grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))}.cmtai-spread-viz__cell{width:64px}.cmtai-spread-viz__img-wrap,.cmtai-spread-viz__card-back{width:40px;height:62px}}.cmtai-interpretation{margin-top:24px}.cmtai-interpretation__item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px;padding:20px;border:1px solid var(--cmtai-border);border-radius:var(--cmtai-radius-lg);background:var(--cmtai-bg)}.cmtai-interpretation__card-col{flex-shrink:0}.cmtai-interpretation__content-col{flex:1;min-width:0}.cmtai-interpretation__meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px}.cmtai-interpretation__pos-title{font-weight:700;font-size:15px;color:var(--cmtai-text);margin:8px 0 4px}.cmtai-interpretation__pos-meaning{font-size:13px;color:var(--cmtai-text-muted);margin:0 0 8px;line-height:1.4}.cmtai-interpretation__header{display:flex;align-items:center;gap:12px;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--cmtai-border)}.cmtai-interpretation__position{font-size:13px;font-weight:600;color:var(--cmtai-text-secondary)}.cmtai-interpretation__card-img-wrap{width:90px;height:140px;border-radius:var(--cmtai-radius-sm);overflow:hidden;box-shadow:0 2px 8px #0000002e;flex-shrink:0}.cmtai-interpretation__card-img-wrap--reversed{transform:rotate(180deg)}.cmtai-interpretation__card-img{width:100%;height:100%;object-fit:contain;display:block}.cmtai-interpretation__card-info{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}.cmtai-interpretation__card-name{font-size:16px;font-weight:600;color:var(--cmtai-text)}.cmtai-interpretation__orientation{font-size:12px;padding:2px 8px;border-radius:var(--cmtai-radius-sm);width:fit-content}.cmtai-interpretation__orientation--u{background:var(--cmtai-success-bg);color:var(--cmtai-success)}.cmtai-interpretation__orientation--r{background:var(--cmtai-error-bg);color:var(--cmtai-error)}.cmtai-interpretation__body{line-height:1.7;color:var(--cmtai-text)}.cmtai-interpretation__opening{font-style:italic;color:var(--cmtai-text-muted);margin-bottom:8px}.cmtai-interpretation__text{font-size:15px}.cmtai-interpretation__closing{font-style:italic;color:var(--cmtai-text-muted);margin-top:8px}.cmtai-interpretation__question{margin-top:12px;padding:10px 14px;background:var(--cmtai-accent-bg-subtle);border-left:3px solid var(--cmtai-primary);border-radius:0 var(--cmtai-radius-sm) var(--cmtai-radius-sm) 0;font-size:14px;color:var(--cmtai-text-secondary);line-height:1.5}.cmtai-interpretation__empty{color:var(--cmtai-text-muted);font-style:italic}.cmtai-input-method__grid{grid-template-columns:repeat(2,1fr);max-width:500px;margin:0 auto 20px}.cmtai-input-method__card{padding:28px 20px}.cmtai-input-method__icon{font-size:32px;margin-bottom:4px}.cmtai-input-method__card--locked{opacity:.7;cursor:default;border-color:var(--cmtai-border)}.cmtai-input-method__card--locked:hover{border-color:var(--cmtai-border);box-shadow:none}.cmtai-input-method__login-notice{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:13px;color:var(--cmtai-text-muted)}.cmtai-input-method__lock-icon{font-size:18px}.cmtai-input-method__login-link{color:var(--cmtai-primary);font-weight:600;text-decoration:none;font-size:14px}.cmtai-input-method__login-link:hover{text-decoration:underline}.cmtai-layout-guide{max-width:400px;margin:0 auto 24px;padding:16px;background:var(--cmtai-accent-bg-subtle);border:1px solid var(--cmtai-accent-border);border-radius:var(--cmtai-radius-lg)}.cmtai-layout-guide__title{text-align:center;font-size:13px;color:var(--cmtai-text-muted);margin:0 0 12px}.cmtai-layout-guide__grid{display:flex;flex-direction:column;align-items:center;gap:6px}.cmtai-layout-guide__row{display:flex;justify-content:center;gap:6px}.cmtai-layout-guide__cell{width:52px;height:72px;display:flex;align-items:center;justify-content:center;border-radius:6px}.cmtai-layout-guide__cell--empty{visibility:hidden}.cmtai-layout-guide__cell--card{border:2px dashed var(--cmtai-accent-border);background:var(--cmtai-bg)}.cmtai-layout-guide__cell--rotated{transform:rotate(-90deg)}.cmtai-layout-guide__label{font-size:11px;font-weight:700;color:var(--cmtai-primary);text-transform:uppercase}@media (max-width: 480px){.cmtai-layout-guide__cell{width:42px;height:58px}.cmtai-layout-guide__label{font-size:10px}}.cmtai-upload__dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:48px 24px;border:2px dashed var(--cmtai-border);border-radius:16px;background:var(--cmtai-bg-light);cursor:pointer;transition:all .2s ease;text-align:center}.cmtai-upload__dropzone:hover,.cmtai-upload__dropzone--active{border-color:var(--cmtai-primary);background:var(--cmtai-accent-bg-subtle)}.cmtai-upload__icon{font-size:48px;opacity:.6}.cmtai-upload__text{font-size:15px;color:var(--cmtai-text-muted);margin:0}.cmtai-upload__select-btn{margin-top:4px}.cmtai-upload__limit{font-size:12px;color:var(--cmtai-text-muted);margin:0}.cmtai-upload__input{display:none}.cmtai-upload__preview-wrap{position:relative;max-width:500px;margin:0 auto;border-radius:var(--cmtai-radius-lg);overflow:hidden;border:1px solid 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