:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; color: #edf5ff; background: #080d13; }
body::before { content: ""; position: fixed; inset: 0; background: radial-gradient(circle at 20% 10%, rgba(38,143,226,.23), transparent 34rem), radial-gradient(circle at 85% 80%, rgba(23,93,132,.16), transparent 30rem), linear-gradient(135deg, rgba(255,255,255,.02), transparent 40%); }
.login-shell { position: relative; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(440px, 100%); padding: 34px; border: 1px solid #293747; border-top-color: #4aa9f5; border-radius: 22px; background: linear-gradient(155deg, rgba(22,31,42,.98), rgba(11,17,24,.98)); box-shadow: 0 28px 80px rgba(0,0,0,.48), 0 0 60px rgba(39,141,220,.08); }
.brand-mark { display: flex; align-items: center; gap: 13px; margin-bottom: 32px; }
.brand-mark img { width: 58px; height: 58px; object-fit: contain; filter: drop-shadow(0 0 14px rgba(71,170,242,.35)); }
.brand-mark div { display: grid; letter-spacing: .15em; font-weight: 850; }
.brand-mark span { color: #6ebcff; }
.brand-mark small { margin-top: 3px; color: #8e9bab; font-size: .65rem; }
.eyebrow { margin: 0 0 9px; color: #5da9ff !important; font-size: .7rem; font-weight: 800; letter-spacing: .17em; }
h1 { margin: 0 0 10px; font-size: clamp(1.75rem, 5vw, 2.25rem); letter-spacing: -.025em; }
.intro > p:last-child { margin: 0 0 28px; color: #91a0b1; line-height: 1.55; }
form { display: grid; gap: 9px; }
label { margin-top: 7px; color: #bec9d5; font-size: .82rem; font-weight: 700; }
input { width: 100%; padding: 13px 14px; border: 1px solid #2a3746; border-radius: 11px; outline: none; background: #080e15; color: #edf5ff; font: inherit; transition: border-color .15s, box-shadow .15s; }
input:focus { border-color: #5da9ff; box-shadow: 0 0 0 3px rgba(93,169,255,.12); }
.password-field { position: relative; }
.password-field input { padding-right: 48px; }
.password-toggle { position: absolute; top: 50%; right: 7px; width: 36px; height: 36px; margin: 0; padding: 8px; transform: translateY(-50%); border: 0; border-radius: 8px; background: transparent; box-shadow: none; color: #8292a4; }
.password-toggle:hover { color: #c8e5ff; background: rgba(93,169,255,.1); }
.password-toggle svg { display: block; width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.password-toggle.visible { color: #5da9ff; }
button { margin-top: 15px; padding: 13px; border: 0; border-radius: 11px; color: white; background: linear-gradient(135deg, #2384dc, #3b9cf0); font: inherit; font-weight: 800; cursor: pointer; box-shadow: 0 10px 24px rgba(34,132,220,.22); }
button:hover { filter: brightness(1.08); }
button:disabled { cursor: wait; opacity: .65; }
.error { margin-top: 8px; padding: 10px 12px; border: 1px solid rgba(255,101,117,.4); border-radius: 9px; color: #ffd5da; background: rgba(168,54,67,.16); font-size: .85rem; }
.requirements { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin: 4px 0 5px; color: #8290a0; font-size: .76rem; }
.requirements span::before { content: "○"; margin-right: 6px; color: #607084; }
.requirements span.met { color: #79dca3; }
.requirements span.met::before { content: "✓"; color: #45d483; }
.text-button { margin-top: 2px; padding: 8px; background: transparent; box-shadow: none; color: #8fa0b2; font-size: .82rem; }
footer { margin-top: 27px; padding-top: 19px; border-top: 1px solid #25303d; color: #8290a0; font-size: .76rem; text-align: center; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 5px; border-radius: 50%; background: #45d483; box-shadow: 0 0 9px rgba(69,212,131,.7); }
@media (max-width: 480px) { .login-card { padding: 25px 21px; } }