:root { --bg: #07090d; --panel: rgba(16, 20, 27, 0.86); --line: rgba(255, 255, 255, 0.08); --text: #e8edf3; --dim: #8b97a6; --acc: #f08a3a; --bad: #ff5d5d; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 15px/1.4 "Segoe UI", system-ui, sans-serif; }
.bg { position: fixed; inset: 0; background:
  radial-gradient(800px 500px at 20% 10%, rgba(240, 138, 58, 0.16), transparent 60%),
  radial-gradient(700px 500px at 90% 90%, rgba(75, 147, 224, 0.12), transparent 60%),
  repeating-linear-gradient(90deg, rgba(255,255,255,0.02) 0 1px, transparent 1px 80px),
  repeating-linear-gradient(0deg, rgba(255,255,255,0.02) 0 1px, transparent 1px 80px), var(--bg); }
.card { position: relative; width: min(380px, calc(100% - 32px)); margin: 12vh auto 0; padding: 36px 32px 28px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 6px; backdrop-filter: blur(8px); text-align: center; animation: in .5s ease both; }
@keyframes in { from { opacity: 0; transform: translateY(12px); } }
.logo { width: 64px; height: 64px; }
h1 { margin: 10px 0 0; font-size: 30px; letter-spacing: 6px; font-weight: 800; }
h1 span { color: var(--acc); }
.sub { margin: 4px 0 26px; color: var(--dim); letter-spacing: 3px; text-transform: uppercase; font-size: 12px; }
form { text-align: left; }
label { display: block; font-size: 12px; color: var(--dim); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 8px; }
input { width: 100%; padding: 12px 14px; background: #0b0f14; border: 1px solid var(--line); border-radius: 4px; color: var(--text); font-size: 16px; outline: none; transition: border-color .2s; }
input:focus { border-color: var(--acc); }
button { margin-top: 18px; width: 100%; padding: 13px; border: 0; border-radius: 4px; background: var(--acc); color: #120a03; font-weight: 800; letter-spacing: 4px; font-size: 15px; cursor: pointer; transition: filter .2s, transform .1s; }
button:hover { filter: brightness(1.1); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .6; cursor: wait; }
.err { min-height: 20px; margin: 12px 0 0; color: var(--bad); font-size: 13px; text-align: center; }