:root{--bg: #ffffff;--muted: #6b7280;--accent: #1f6feb;--accent-strong: #165fcc;--border: #e6e9ee;--radius: 8px;--content-max: 980px;--gap: 16px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Courier New", monospace;--toggle-btn-focus: rgba(31, 111, 235, .14);--alert-border-color: #f59e42}*{box-sizing:border-box}html,body,#app{height:100%;margin:0;background:var(--bg);color:#111;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;scroll-behavior:smooth}img{max-width:100%;height:auto}.container,.wrap{max-width:100%;margin:0 auto;padding:0 16px}@media(min-width:768px){.container,.wrap{max-width:var(--content-max);padding:0 20px}}h1,h2,h3{margin:0 0 .5rem}p{margin:0 0 1rem}.lead{color:var(--muted)}a{color:var(--accent)}a:hover{color:var(--accent-strong);text-decoration:underline}.btn{display:inline-block;padding:12px 20px;border-radius:4px;border:none;background:var(--accent);color:#fff;cursor:pointer;font-size:medium;min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:center}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--border)}.btn-link{display:inline-block;padding:10px 14px;color:var(--accent);text-decoration:none;border-radius:4px;transition:background .2s,color .2s}.btn-link:hover{background:#1f6feb14;text-decoration:none}.btn-link:focus{outline:2px solid var(--accent);outline-offset:2px}input[type=text],input[type=email],input[type=password],textarea,select{width:100%;padding:10px;border:1px solid var(--border);border-radius:6px;background:#fff;color:inherit;font-size:16px;font-family:inherit;min-height:44px}label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}@media(min-width:768px){label{font-size:15px}}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}@media(max-width:600px){.row{flex-direction:column;align-items:stretch}}.card{background:#fff;border:1px solid var(--border);padding:16px;border-radius:8px}@media(max-width:480px){.card{padding:12px}}.box{border:1px dashed var(--border);padding:18px;border-radius:8px}@media(max-width:480px){.box{padding:12px}}.muted{color:var(--muted)}.error{color:#b00020}.success{color:green}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}main{flex:1;max-width:var(--content-max);margin:20px auto;padding:16px;border-radius:var(--radius)}@media(min-width:600px){main{margin:28px auto;padding:20px}}header,footer{background:transparent}.row-flex{display:flex;flex-direction:row}.col-flex{display:flex;flex-direction:column}.gap-16{gap:16px}.gap-4{gap:4px}.gap-8{gap:8px}.p-0{padding:0}.m-0{margin:0}.px-16{padding-left:16px;padding-right:16px}.py-16{padding-top:16px;padding-bottom:16px}.mx-auto{margin-left:auto;margin-right:auto}.form-group{margin-bottom:16px}@media(max-width:480px){.form-group{margin-bottom:14px}}@media(min-width:768px){.row-flex{gap:20px}}@media(max-width:700px){.hide-mobile{display:none!important}}@media(min-width:701px){.show-mobile{display:none!important}}