:root{--primary:#059669;--primary-hover:#047857;--primary-light:#d1fae5;--bg-base:#0f172a;--bg-card:#1e293b;--bg-card-hover:#334155;--border-color:#334155;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#38bdf8;--danger:#ef4444;--danger-light:#fee2e2;--warning:#f59e0b;--radius:12px;--font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:var(--font);background-color:var(--bg-base);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;overflow-wrap:break-word;word-break:break-word;}
.app-layout{display:flex;flex-direction:column;min-height:100vh;}
.app-header{background-color:var(--bg-card);border-bottom:1px solid var(--border-color);padding:20px 16px;}
.header-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;}
.logo-group{display:flex;align-items:center;gap:14px;}
.logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),#10b981);color:#fff;font-weight:900;font-size:18px;display:flex;align-items:center;justify-content:center;border-radius:10px;box-shadow:0 4px 12px rgba(16,185,129,0.3);}
.app-title{font-size:20px;font-weight:700;color:var(--text-main);}
.app-subtitle{font-size:13px;color:var(--text-muted);margin-top:2px;}
.app-main{flex:1;max-width:960px;width:100%;margin:0 auto;padding:24px 16px;}
.main-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.main-grid>*{min-width:0;}
.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:24px;box-shadow:0 8px 24px rgba(0,0,0,0.25);}
.form-container{display:flex;flex-direction:column;gap:18px;}
.form-group{display:flex;flex-direction:column;gap:8px;}
.form-label{font-size:14px;font-weight:600;color:var(--text-main);}
.form-hint{font-size:12px;color:var(--text-muted);}
.input-phone-wrap{display:flex;align-items:center;background-color:var(--bg-base);border:1px solid var(--border-color);border-radius:8px;overflow:hidden;}
.input-phone-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(56,189,248,0.2);}
.phone-prefix{padding:12px 14px;background-color:rgba(255,255,255,0.05);color:var(--accent);font-weight:600;font-size:14px;border-right:1px solid var(--border-color);}
.form-input{flex:1;padding:12px 14px;background:transparent;border:none;outline:none;color:var(--text-main);font-size:15px;font-family:inherit;}
.form-textarea{width:100%;padding:12px 14px;background-color:var(--bg-base);border:1px solid var(--border-color);border-radius:8px;color:var(--text-main);font-size:14px;font-family:inherit;resize:vertical;outline:none;}
.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(56,189,248,0.2);}
.drop-zone{border:2px dashed var(--border-color);background-color:rgba(15,23,42,0.6);border-radius:8px;padding:32px 16px;text-align:center;cursor:pointer;transition:border-color 0.2s,background-color 0.2s;}
.drop-zone:hover,.drop-zone.drag-active{border-color:var(--accent);background-color:rgba(56,189,248,0.05);}
.drop-zone-icon{font-size:36px;margin-bottom:8px;}
.drop-zone-text{font-size:14px;font-weight:600;color:var(--text-main);}
.drop-zone-sub{font-size:12px;color:var(--text-muted);margin-top:4px;}
.file-input-hidden{display:none;}
.file-preview-card{display:flex;align-items:center;justify-content:space-between;background-color:var(--bg-base);border:1px solid var(--border-color);border-radius:8px;padding:12px 16px;}
.preview-info{display:flex;flex-direction:column;gap:2px;overflow:hidden;}
.preview-name{font-size:14px;font-weight:600;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.preview-size{font-size:12px;color:var(--text-muted);}
.btn-remove-file{background:none;border:none;color:var(--danger);font-size:13px;font-weight:600;cursor:pointer;padding:6px 10px;border-radius:6px;}
.btn-remove-file:hover{background-color:rgba(239,68,68,0.1);}
.options-group{display:flex;flex-direction:column;gap:10px;padding:12px 14px;background-color:var(--bg-base);border-radius:8px;}
.checkbox-label{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-main);cursor:pointer;}
.checkbox-label input[type="checkbox"]{width:16px;height:16px;accent-color:var(--primary);cursor:pointer;}
.btn-primary{display:flex;align-items:center;justify-content:center;width:100%;padding:14px 20px;background:linear-gradient(135deg,var(--primary),#10b981);color:#fff;font-size:15px;font-weight:700;border:none;border-radius:8px;cursor:pointer;box-shadow:0 4px 14px rgba(16,185,129,0.3);transition:transform 0.1s,background-color 0.2s;}
.btn-primary:hover{background:linear-gradient(135deg,var(--primary-hover),var(--primary));transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:disabled{opacity:0.6;cursor:not-allowed;transform:none;}
.btn-secondary{padding:10px 18px;background-color:var(--bg-card-hover);color:var(--text-main);font-size:14px;font-weight:600;border:1px solid var(--border-color);border-radius:6px;cursor:pointer;transition:background-color 0.2s;}
.btn-secondary:hover{background-color:var(--border-color);}
.file-hidden{display:none;}
.status-card{display:flex;flex-direction:column;gap:20px;}
.status-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.status-title{font-size:17px;font-weight:700;}
.status-badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:20px;text-transform:uppercase;}
.status-pending{background-color:rgba(245,158,11,0.2);color:var(--warning);}
.status-processing{background-color:rgba(56,189,248,0.2);color:var(--accent);}
.status-completed{background-color:rgba(16,185,129,0.2);color:var(--primary);}
.status-error{background-color:rgba(239,68,68,0.2);color:var(--danger);}
.progress-container{display:flex;flex-direction:column;gap:8px;}
.progress-bar-track{width:100%;height:10px;background-color:var(--bg-base);border-radius:5px;overflow:hidden;}
.progress-bar-fill{width:0%;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:5px;transition:width 0.3s ease;}
.progress-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;}
.status-message{color:var(--text-muted);}
.progress-percent{font-weight:700;color:var(--accent);}
.steps-list{display:flex;flex-direction:column;gap:12px;background-color:var(--bg-base);padding:16px;border-radius:8px;}
.step-item{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-muted);}
.step-dot{width:10px;height:10px;border-radius:50%;background-color:var(--border-color);flex-shrink:0;}
.step-item.active{color:var(--accent);font-weight:600;}
.step-item.active .step-dot{background-color:var(--accent);box-shadow:0 0 8px var(--accent);}
.step-item.completed{color:var(--primary);font-weight:600;}
.step-item.completed .step-dot{background-color:var(--primary);}
.result-box{background-color:rgba(16,185,129,0.1);border:1px solid rgba(16,185,129,0.3);border-radius:8px;padding:18px;display:flex;flex-direction:column;gap:12px;}
.result-title{font-size:16px;font-weight:700;color:var(--primary);}
.result-desc{font-size:13px;color:var(--text-main);line-height:1.5;}
.result-links{display:flex;flex-direction:column;gap:8px;}
.result-link-item{display:flex;align-items:center;justify-content:space-between;background-color:var(--bg-card);border:1px solid var(--border-color);padding:10px 14px;border-radius:6px;font-size:13px;}
.result-link-title{font-weight:600;color:var(--text-main);}
.result-link-actions{display:flex;gap:8px;}
.result-btn{color:var(--accent);text-decoration:none;font-weight:600;font-size:12px;padding:4px 8px;background-color:rgba(56,189,248,0.1);border-radius:4px;}
.result-btn:hover{background-color:rgba(56,189,248,0.2);}
.error-box{background-color:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.3);border-radius:8px;padding:18px;display:flex;flex-direction:column;gap:12px;}
.error-title{font-size:16px;font-weight:700;color:var(--danger);}
.error-desc{font-size:13px;color:var(--text-main);line-height:1.5;}
.app-footer{border-top:1px solid var(--border-color);background-color:var(--bg-card);padding:16px;text-align:center;}
.footer-inner p{font-size:12px;color:var(--text-muted);}
@media(max-width:767px){.card{padding:16px;}.app-main{padding:16px 12px;}.app-header{padding:16px 12px;}.logo-title{font-size:17px;}.app-subtitle{font-size:12px;}}