/* Front-end minimal styles + progress bar */
.vcs-card{max-width:860px;margin:24px auto;padding:24px;border:1px solid rgba(0,0,0,.08);border-radius:18px;background:#fff;box-shadow:0 8px 30px rgba(0,0,0,.04)}
.vcs-title{margin:0 0 8px;font-size:32px;line-height:1.2}
.vcs-subtitle{margin:0 0 20px;color:#666}
.vcs-form{display:flex;flex-direction:column;gap:14px}
.vcs-label{font-weight:600;margin-top:6px}
.vcs-input{width:100%;padding:14px 10px 10px 10px;border:1px solid #e5e7eb;border-radius:12px;font-size:16px;outline:none}
.vcs-input:focus{border-color:#6366f1;box-shadow:0 0 0 4px rgba(99,102,241,.15)}
.vcs-file{padding:10px 0}
.vcs-btn{margin-top:8px;display:inline-block;padding:14px 18px;border:none;border-radius:14px;background:linear-gradient(90deg,#4f46e5,#3b82f6);color:#fff;font-weight:700;font-size:16px;cursor:pointer;transition:transform .05s ease,opacity .2s ease}
.vcs-btn:active{transform:translateY(1px)}
.vcs-powered{margin-top:16px;font-size:12px;color:#888}
.vcs-alert{margin:12px 0;padding:12px 14px;border-radius:12px}
.vcs-alert-success{background:#ecfdf5;border:1px solid #10b98133}
.vcs-alert-error{background:#fef2f2;border:1px solid #ef444433}
.vcs-progress-wrap{display:none;align-items:center;gap:12px;margin-top:6px}
.vcs-progress{flex:1;height:12px;background:#f3f4f6;border-radius:999px;overflow:hidden}
.vcs-progress-bar{display:block;height:100%;background:linear-gradient(90deg,#4f46e5,#3b82f6)}
.vcs-progress-text{min-width:40px;text-align:right;font-size:12px;color:#555}