:root{--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-success: #22c55e;--color-error: #ef4444;--color-warning: #f59e0b;--color-bg: #0f172a;--color-surface: #1e293b;--color-surface-hover: #334155;--color-border: #334155;--color-text: #f8fafc;--color-text-secondary: #94a3b8;--radius: 12px;--shadow: 0 4px 6px -1px rgb(0 0 0 / .3), 0 2px 4px -2px rgb(0 0 0 / .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;padding:3rem 1rem 2rem}.header h1{font-size:2.5rem;font-weight:700;margin-bottom:.5rem;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header p{color:var(--color-text-secondary);font-size:1.1rem}.main{flex:1;max-width:800px;width:100%;margin:0 auto;padding:0 1rem 2rem}.footer{text-align:center;padding:2rem 1rem;color:var(--color-text-secondary);font-size:.875rem}.dropzone{border:2px dashed var(--color-border);border-radius:var(--radius);padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .2s ease;background:var(--color-surface)}.dropzone:hover{border-color:var(--color-primary);background:var(--color-surface-hover)}.dropzone-active{border-color:var(--color-primary);background:#3b82f61a}.dropzone-reject{border-color:var(--color-error);background:#ef44441a}.dropzone-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.dropzone-icon{color:var(--color-primary)}.dropzone-text{font-size:1.1rem;font-weight:500}.dropzone-hint{font-size:.875rem;color:var(--color-text-secondary)}.file-list{margin-top:2rem}.file-list-title{font-size:1.25rem;font-weight:600;margin-bottom:1rem}.file-list-items{display:flex;flex-direction:column;gap:.75rem}.file-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:var(--color-surface);border-radius:var(--radius);border:1px solid var(--color-border)}.file-item-completed{border-color:var(--color-success)}.file-item-error{border-color:var(--color-error)}.file-item-icon{flex-shrink:0;color:var(--color-primary)}.file-item-info{flex:1;min-width:0}.file-item-header{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:.5rem}.file-item-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-item-size{flex-shrink:0;font-size:.875rem;color:var(--color-text-secondary)}.file-item-footer{display:flex;align-items:center;gap:.5rem;font-size:.875rem}.file-item-status{font-weight:500}.status-completed{color:var(--color-success)}.status-error{color:var(--color-error)}.status-cancelled{color:var(--color-warning)}.status-uploading{color:var(--color-primary)}.file-item-error{color:var(--color-error)}.file-item-actions{display:flex;gap:.5rem;flex-shrink:0}.progress-bar{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}.progress-bar-track{flex:1;height:6px;background:var(--color-border);border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;border-radius:3px;transition:width .2s ease}.progress-bar-text{flex-shrink:0;font-size:.75rem;font-weight:600;color:var(--color-text-secondary);min-width:3rem;text-align:right}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-weight:500;cursor:pointer;transition:all .2s ease;border:none}.btn-icon{width:36px;height:36px;border-radius:8px;background:transparent;color:var(--color-text-secondary)}.btn-icon:hover{background:var(--color-surface-hover);color:var(--color-text)}@media (max-width: 640px){.header h1{font-size:2rem}.dropzone{padding:2rem 1rem}.file-item{flex-wrap:wrap}.file-item-info{width:calc(100% - 48px)}.file-item-actions{width:100%;justify-content:flex-end;margin-top:.5rem}}