*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--brand:#FF6B00;--brand-light:#FF8C33;--bg:#0F0F1A;--card:#1A1A2E;--card-hover:#22223a;--border:#1f2937;--text:#e5e7eb;--muted:#9ca3af;--dim:#6b7280}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;min-height:100vh}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
button{cursor:pointer;font-family:inherit}

/* Nav */
nav{position:sticky;top:0;z-index:50;background:rgba(10,10,18,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:72rem;margin:0 auto;padding:0 1rem;height:3.5rem;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:.5rem;font-size:1.125rem;font-weight:700;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:1rem}
.nav-links a{color:var(--muted);font-size:.875rem;transition:color .2s}
.nav-links a:hover{color:#fff;text-decoration:none}

/* Layout */
.container{max-width:72rem;margin:0 auto;padding:0 1rem 1.5rem}
.card{background:var(--card);border:1px solid var(--border);border-radius:.75rem;padding:1rem;transition:border-color .2s}
.card:hover{border-color:var(--brand)}

/* Grid */
.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1rem}
.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem}
@media(max-width:768px){.detail-grid{grid-template-columns:1fr}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;border-radius:.5rem;padding:.625rem 1.5rem;border:none;transition:all .2s;font-size:.875rem}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-light)}
.btn-brand:disabled{opacity:.5;cursor:not-allowed}
.btn-outline{background:transparent;border:1px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-full{width:100%}
.btn-sm{padding:.375rem 1rem;font-size:.75rem}

/* Input */
.input{width:100%;background:var(--bg);border:1px solid #374151;border-radius:.5rem;padding:.625rem 1rem;color:var(--text);font-size:.875rem;outline:none;transition:border-color .2s}
.input:focus{border-color:var(--brand)}
.input::placeholder{color:var(--dim)}
textarea.input{min-height:120px;resize:vertical}
select.input{appearance:auto}

/* Badges */
.badge{display:inline-flex;align-items:center;padding:.125rem .5rem;border-radius:9999px;font-size:.75rem;font-weight:500}
.badge-live{background:rgba(239,68,68,.2);color:#f87171}
.badge-ended{background:rgba(107,114,128,.2);color:var(--muted)}
.badge-flash{background:rgba(234,179,8,.2);color:#facc15}
.badge-green{background:rgba(34,197,94,.2);color:#4ade80}

/* Countdown */
.countdown{font-family:monospace;font-size:1.5rem;color:var(--brand);font-weight:700;letter-spacing:.05em}

/* Utility */
.mt-1{margin-top:.25rem}.mt-4{margin-top:1rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-6{margin-bottom:1.5rem}
.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.text-center{text-align:center}.text-right{text-align:right}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.text-brand{color:var(--brand)}.text-muted{color:var(--muted)}.text-dim{color:var(--dim)}
.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}
.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.text-4xl{font-size:2.25rem}
.font-bold{font-weight:700}.font-semibold{font-weight:600}
.w-full{width:100%}
.border-b{border-bottom:1px solid var(--border)}.border-t{border-top:1px solid var(--border)}
.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-12{padding-top:3rem;padding-bottom:3rem}
.px-4{padding-left:1rem;padding-right:1rem}
.sticky-panel{position:sticky;top:5rem}
.whitespace-pre-wrap{white-space:pre-wrap}
.space-y > *+*{margin-top:.75rem}

/* Hero */
.hero{text-align:center;padding:3rem 0}
.hero h1{font-size:2.25rem;font-weight:700;margin-bottom:.75rem}
.hero p{color:var(--muted);font-size:1.125rem;margin-bottom:1.5rem}
.hero-actions{display:flex;justify-content:center;gap:.75rem}

/* Footer */
footer{margin-top:3rem;padding:2rem 0;text-align:center;font-size:.75rem;color:var(--dim);border-top:1px solid var(--border)}

/* Table-like rows */
.bid-row{display:flex;justify-content:space-between;font-size:.875rem;padding:.375rem 0;border-bottom:1px solid var(--border)}
.bid-winning{color:var(--brand);font-weight:600}

/* Info panel rows */
.info-row{display:flex;justify-content:space-between}
.info-row .label{font-size:.875rem;color:var(--dim)}
.info-row .value{font-size:.875rem}

/* Form */
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-size:.875rem;color:var(--muted);margin-bottom:.25rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

/* Loading / Empty */
.loading,.empty{text-align:center;padding:5rem 0;color:var(--dim)}

/* Toast */
.toast{position:fixed;top:1rem;right:1rem;padding:.75rem 1.5rem;border-radius:.5rem;font-size:.875rem;z-index:100;animation:slideIn .3s ease}
.toast-success{background:#166534;color:#4ade80}
.toast-error{background:#7f1d1d;color:#fca5a5}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* Auth form */
.auth-card{max-width:24rem;margin:5rem auto}