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22px}.input-area{background:var(--surface-container-low);border:1px solid var(--outline-variant);border-radius:var(--radius-md);width:100%;min-height:200px;font-family:var(--font-body);color:var(--on-surface);resize:vertical;transition:all var(--transition-fast);padding:18px 20px;font-size:1rem;line-height:1.6}.input-area:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 12%, transparent);outline:none}.input-area::placeholder{color:var(--outline)}.btn{border-radius:var(--radius-md);font-family:var(--font-body);letter-spacing:.01em;transition:all var(--transition-fast);justify-content:center;align-items:center;gap:8px;padding:11px 22px;font-size:.875rem;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn-primary{background:var(--primary);color:var(--on-primary);border:1px solid color-mix(in srgb, var(--primary) 24%, 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var(--outline-variant));width:2px;position:absolute;top:0;bottom:0;left:16px}.timeline-item{padding-bottom:32px;position:relative}.timeline-item:last-child{padding-bottom:0}.timeline-dot{border-radius:var(--radius-full);background:var(--primary);border:3px solid var(--surface);width:12px;height:12px;box-shadow:0 0 0 2px color-mix(in srgb, var(--primary) 30%, transparent);position:absolute;top:0;left:-40px}.timeline-time{font-family:var(--font-mono);color:var(--on-surface-variant);margin-bottom:4px;font-size:.625rem}.timeline-title{margin-bottom:4px;font-weight:600}.timeline-description{color:var(--on-surface-variant);font-size:.875rem}.video-preview{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--glass-border);overflow:hidden}.video-preview-header{background:var(--surface-container-low);border-bottom:1px solid var(--glass-border);justify-content:space-between;align-items:center;padding:12px 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16px;display:flex}.provider-empty-state-text{color:var(--on-surface);font-size:.875rem;font-weight:600}.provider-empty-state-hint{color:var(--on-surface-variant);font-size:.75rem;line-height:1.5}.accordion-hint.is-warning{color:var(--error,#d32f2f);font-weight:600}.composer-meta-warning{color:var(--error,#d32f2f);align-items:center;gap:4px;font-weight:600;display:inline-flex}.composer-meta-link{color:var(--primary);cursor:pointer;text-decoration:underline}.composer-meta-link:hover{opacity:.8}