:root { color-scheme: dark; font-family: "Segoe UI", Arial, sans-serif; background: #06090f; color: #e2e8f0; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; min-height: 100dvh; padding: 24px; display: grid; place-items: center; background: radial-gradient(ellipse at 50% 25%, #06b6d40a, transparent 60%); }
.login-card { width: 100%; max-width: 372px; padding: 32px; border: 1px solid #233454; border-radius: 20px; background: #0b111e; box-shadow: 0 24px 80px #0004; }
.login-brand { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 0 0 32px; }
.login-logo { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(135deg, #06b6d4, #10b981); color: #06090f; }
.login-logo svg { width: 25px; height: 25px; }
h1 { margin: 0; font-size: 22px; font-weight: 700; letter-spacing: 1px; color: #fff; }
h1 span { margin-left: 3px; color: #06b6d4; font-weight: 300; }
label { display: block; margin-bottom: 8px; font-size: 12px; color: #94a3b8; }
input { width: 100%; height: 44px; padding: 0 13px; border: 1px solid #233454; border-radius: 10px; outline: none; background: #06090f; color: #f1f5f9; font: inherit; font-size: 14px; }
input:focus { border-color: #06b6d4; box-shadow: 0 0 0 3px #06b6d412; }
input + label { margin-top: 20px; }
button { width: 100%; height: 44px; margin-top: 24px; border: 0; border-radius: 10px; background: #06b6d4; color: #06090f; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
button:hover { background: #22d3ee; }
button:disabled { opacity: .6; cursor: wait; }
button:focus-visible { outline: 2px solid #67e8f9; outline-offset: 4px; }
#loginError { margin: 14px 0 -8px; color: #fb7185; font-size: 12px; line-height: 1.5; }
@media (max-width: 420px) { body { padding: 20px; } .login-card { padding: 28px 24px; } }