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infinite;border-radius:var(--radius-sm)}.video-preview{position:relative;background:var(--color-gray-900);border-radius:var(--radius-lg);overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:var(--preview-min-height)}.video-preview__placeholder{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);color:var(--color-gray-400);padding:var(--space-2xl)}.video-preview__placeholder-icon{font-size:var(--text-3xl);opacity:.5}.video-preview__player{width:100%;height:100%;object-fit:contain}.video-preview__play-btn{position:absolute;width:64px;height:64px;border-radius:var(--radius-full);background:#ffffffe6;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:var(--text-2xl);color:var(--color-primary);transition:transform var(--transition-fast),background var(--transition-fast)}.video-preview__play-btn:hover{transform:scale(1.1);background:var(--color-white)}.cover-preview{position:relative;width:100%;aspect-ratio:9 / 16;max-height:400px;background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center}.cover-preview__avatar{width:80px;height:80px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary),#3b82f6);display:flex;align-items:center;justify-content:center;color:var(--color-white);font-size:var(--text-2xl);margin-bottom:var(--space-lg)}.cover-preview__title{color:var(--color-white);font-size:var(--text-lg);font-weight:var(--font-semibold);text-align:center;padding:0 var(--space-lg);text-shadow:0 2px 4px rgba(0,0,0,.3)}.cover-preview__subtitle{color:var(--color-gray-400);font-size:var(--text-sm);margin-top:var(--space-sm)}.title-selector{display:flex;flex-direction:column;gap:var(--space-sm)}.title-option{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) var(--space-md);border:1px solid var(--color-gray-200);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.title-option:hover{border-color:var(--color-primary);background:var(--color-primary-lighter)}.title-option.is-selected{border-color:var(--color-primary);background:var(--color-primary-light)}.title-option__radio{width:20px;height:20px;accent-color:var(--color-primary);flex-shrink:0}.title-option__text{flex:1;font-size:var(--text-sm);color:var(--text-primary)}.title-option.is-selected .title-option__text{color:var(--color-primary);font-weight:var(--font-medium)}.data-table{width:100%;border-collapse:collapse;font-size:var(--text-sm);table-layout:fixed}.data-table th,.data-table td{padding:var(--space-md);text-align:left;border-bottom:1px solid var(--color-gray-200)}.data-table td:first-child{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.data-table th{font-weight:var(--font-semibold);color:var(--text-secondary);background:var(--color-gray-50);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.05em}.data-table tbody tr:hover{background:var(--color-gray-50)}.task-card{background:var(--color-surface);border:1px solid var(--color-gray-200);border-radius:var(--radius-lg);padding:var(--space-lg);margin-bottom:var(--space-md)}.task-card__header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-md)}.task-card__title{font-weight:var(--font-semibold);font-size:var(--text-base);margin-bottom:var(--space-xs)}.task-card__meta{font-size:var(--text-sm);color:var(--text-tertiary)}.task-card__progress{margin:var(--space-md) 0}.task-card__actions{display:flex;gap:var(--space-sm);margin-top:var(--space-md)}.mobile-warning{display:none;background:var(--color-warning-bg);border:1px solid rgba(217,119,6,.2);border-radius:var(--radius-lg);padding:var(--space-lg);margin-bottom:var(--space-lg);text-align:center}.mobile-warning__icon{font-size:var(--text-2xl);margin-bottom:var(--space-sm)}.mobile-warning__title{font-weight:var(--font-semibold);margin-bottom:var(--space-sm)}.mobile-warning__desc{color:var(--text-secondary);margin-bottom:var(--space-md)}.storage-warning{max-width:var(--container-max);margin:0 auto}.summary-list{background:var(--color-gray-50);border-radius:var(--radius-lg);padding:var(--space-lg)}.audio-player{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-gray-100);border-radius:var(--radius-md)}.audio-player__btn{width:40px;height:40px;border-radius:var(--radius-full);background:var(--color-primary);color:var(--color-white);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:var(--text-lg);flex-shrink:0}.audio-player__btn:hover{background:var(--color-primary-hover)}.audio-player__waveform{flex:1;height:32px;background:repeating-linear-gradient(90deg,var(--color-gray-300) 0px,var(--color-gray-300) 3px,transparent 3px,transparent 6px);border-radius:var(--radius-sm);position:relative;overflow:hidden}.audio-player__waveform:after{content:"";position:absolute;left:0;top:0;bottom:0;width:30%;background:repeating-linear-gradient(90deg,#3b82f6 0px,#3b82f6 3px,transparent 3px,transparent 6px)}.generating-panel,.result-panel{animation:fade-in var(--transition-slow)}.char-counter.is-error{color:var(--color-error);font-weight:var(--font-semibold)}.layout-create__config,.layout-create__preview{width:100%}.step-panel{animation:fade-in var(--transition-slow)}.card__body--no-padding{padding:0}.video-preview--tall{min-height:320px}.video-preview--share{min-height:400px;border-radius:var(--radius-lg)}.cover-preview--centered{max-width:240px;margin:0 auto}.share-title{line-height:1.3}.share-meta{color:var(--text-secondary);margin-bottom:var(--space-lg)}.card__footer--stack{display:flex;flex-direction:column;gap:var(--space-sm)}.card__footer--actions{display:flex;gap:var(--space-sm);flex-wrap:wrap}.progress--flex{flex:1}.progress__text--fixed{min-width:50px;text-align:right}.meta-row{color:var(--text-secondary)}.form-group--no-margin{margin-bottom:0}.form-group--filter{margin-bottom:0;min-width:140px}.form-group--search{margin-bottom:0;flex:1;min-width:200px}.btn--align-start{align-self:flex-start}.btn--align-end{margin-left:auto}.text--tertiary{color:var(--text-tertiary)}.mobile-action-bar{position:fixed;bottom:0;left:0;right:0;background:var(--color-white);border-top:1px solid var(--color-gray-200);padding:var(--space-md);box-shadow:0 -4px 6px -1px #0000000d;z-index:var(--z-sticky);display:flex;gap:var(--space-sm)}.mobile-only{display:block}.desktop-only,.tablet-only{display:none}.app-header__inner{padding:0 var(--space-md)}.app-header__brand-text{display:none}.app-main{padding:var(--space-md)}.stepper{overflow-x:auto;padding-bottom:var(--space-sm);-webkit-overflow-scrolling:touch}.stepper__label{display:none}.stepper__item.is-active .stepper__label,.stepper__item.is-completed .stepper__label{display:inline}.layout-create{display:flex;flex-direction:column;gap:var(--space-lg)}.layout-create__config{width:100%}.layout-create__preview{width:100%;order:-1}.video-preview{min-height:var(--preview-mobile-height)}.data-table-wrapper{display:none}.task-cards{display:flex;flex-direction:column;gap:var(--space-md)}.form-grid,.upload-grid{display:flex;flex-direction:column;gap:var(--space-lg)}.mobile-action-bar{position:fixed;bottom:0;left:0;right:0;background:var(--color-white);border-top:1px solid var(--color-gray-200);padding:var(--space-md) var(--space-md) calc(var(--space-md) + env(safe-area-inset-bottom,0));box-shadow:0 -4px 6px -1px #0000000d;z-index:var(--z-sticky);display:flex;gap:var(--space-sm)}body:has(.mobile-action-bar) .app-main{padding-bottom:calc(var(--space-md) + 60px + env(safe-area-inset-bottom,0))}body:has(.mobile-action-bar) .app-footer{padding-bottom:calc(60px + env(safe-area-inset-bottom,0))}.toast-container{top:auto;bottom:calc(var(--space-lg) + 60px);left:var(--space-md);right:var(--space-md);max-width:none}.modal{max-height:95vh;margin:var(--space-sm)}.layout-share{display:flex;flex-direction:column;gap:var(--space-lg)}.layout-share__video,.layout-share__info{width:100%}.title-option{padding:var(--space-sm)}.mobile-warning{display:block}.step-panel .card__footer.desktop-only{display:none}.storage-warning{margin:0 var(--space-md);border-radius:var(--radius-md)}@media (min-width: 768px){.tablet-only{display:block}.app-header__brand-text{display:inline}.app-main{padding:var(--space-xl) var(--space-lg)}.layout-create{flex-direction:column}.layout-create__config{width:100%}.layout-create__preview{width:100%;order:1}.stepper__label{display:inline}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}.form-grid--full{grid-column:1 / -1}.upload-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg)}.mobile-action-bar{display:none}body:has(.mobile-action-bar) .app-main{padding-bottom:var(--space-xl)}body:has(.mobile-action-bar) .app-footer{margin-bottom:0}.toast-container{top:var(--space-lg);bottom:auto;left:auto;right:var(--space-lg);max-width:400px}.data-table-wrapper{display:block;overflow-x:auto}.task-cards{display:none}.layout-share{flex-direction:column}.layout-share__video,.layout-share__info{width:100%}.mobile-warning{display:none}.step-panel .card__footer.desktop-only{display:flex}.storage-warning{margin:0 auto;border-radius:0}}@media (min-width: 1024px){.desktop-only{display:block}.mobile-only{display:none}.layout-create{display:grid;grid-template-columns:1fr 420px;gap:var(--space-xl);align-items:start}.layout-create__config{width:100%;min-width:0}.layout-create__preview{width:100%;order:0;position:sticky;top:calc(var(--header-height) + var(--space-xl));align-self:start;min-width:0}.video-preview{min-height:var(--preview-min-height)}.layout-share{display:grid;grid-template-columns:1fr 380px;gap:var(--space-xl);align-items:start}.layout-share__video{width:100%}.layout-share__info{width:100%;position:sticky;top:calc(var(--header-height) + var(--space-xl))}.modal{margin:0}.form-grid--3{grid-template-columns:repeat(3,1fr)}.app-header__inner{padding:0 var(--space-xl)}.app-main{padding:var(--space-xl) var(--space-xl)}}@media (min-width: 1280px){.layout-create{grid-template-columns:1fr 480px}.layout-share{grid-template-columns:1fr 420px}}@media (min-width: 1600px){.app-main{padding:var(--space-2xl) var(--space-3xl)}}@media print{.app-header,.app-footer,.mobile-action-bar,.toast-container,.modal-backdrop,.stepper,.btn{display:none!important}.app-main{max-width:none;padding:0}.card{box-shadow:none;border:1px solid var(--color-gray-300)}.video-preview{min-height:200px;border:1px solid var(--color-gray-300)}}