@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";
:root{--bg-color:#fafbfc;--text-main:#24292e;--text-muted:#586069;--primary:#e53e3e;--primary-hover:#c53030;--border-color:#e1e4e8;--panel-bg:#fff;--radius:6px;--shadow:0 1px 3px #1b1f231f, 0 8px 24px #1b1f2314;--error:#d73a49;--success:#28a745;--brand-blue:#005da9;--brand-green:#10893e}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);flex-direction:column;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;line-height:1.5;display:flex}.container{width:100%;max-width:900px;margin:0 auto;padding:0 24px}.main-layout{flex:1}.app-header{background:var(--panel-bg);border-bottom:1px solid var(--border-color);padding:16px 0}.header-nav{justify-content:space-between;align-items:center;display:flex}.logo{flex-direction:column;align-items:center;line-height:1;text-decoration:none;display:flex}.logo-main{letter-spacing:-1px;font-size:32px;font-weight:800}.logo-pd{color:var(--brand-blue)}.logo-ocon{color:var(--brand-green)}.logo-sub{width:100%;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;align-items:center;gap:8px;margin-top:2px;font-size:11px;font-weight:500;display:flex}.logo-sub:before,.logo-sub:after{content:"";background:#ccc;flex:1;height:1px}h1{text-align:center;letter-spacing:-.5px;margin-bottom:8px;font-size:36px;font-weight:600}.subtitle{text-align:center;color:var(--text-muted);margin-bottom:40px;font-size:18px}.panel{background:var(--panel-bg);border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;padding:10px 20px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline{border-color:var(--border-color);color:var(--text-main);background-color:#0000}.btn-outline:hover{border-color:var(--text-muted)}.btn-outline.active{border-color:var(--primary);color:var(--primary);background:#e53e3e0d}.uploader-box{border:2px dashed var(--border-color);border-radius:var(--radius);text-align:center;cursor:pointer;background:#fafbfc;padding:64px 32px;transition:all .2s}.uploader-box:hover,.uploader-box.drag-active{border-color:var(--primary);background:#fff}.upload-icon{margin-bottom:16px}.file-list{flex-direction:column;gap:12px;margin-top:24px;display:flex}.file-item{border:1px solid var(--border-color);border-radius:var(--radius);background:var(--panel-bg);justify-content:space-between;align-items:center;padding:16px;display:flex}.file-info{flex-direction:column;display:flex}.file-name{font-size:14px;font-weight:500}.file-meta{color:var(--text-muted);margin-top:4px;font-size:12px}.file-actions{align-items:center;gap:12px;display:flex}.status-text{font-size:14px;font-weight:500}.status-error{color:var(--error)}.status-success{color:var(--success)}.progress-container{background:#e1e4e8;border-radius:2px;width:100%;height:4px;margin-top:8px;overflow:hidden}.progress-bar{background:var(--primary);height:100%;transition:width .3s}.features-grid{grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px;display:grid}.feature-item h3{margin-bottom:8px;font-size:16px}.feature-item p{color:var(--text-muted);font-size:14px}@media (max-width:768px){.features-grid{grid-template-columns:1fr}}.app-footer{text-align:center;border-top:1px solid var(--border-color);color:var(--text-muted);margin-top:64px;padding:32px 0;font-size:14px}