:root {
  --navy: #101d2f;
  --ink: #172333;
  --muted: #6d7785;
  --bg: #f5f6f8;
  --line: #e2e6eb;
  --paper: #ffffff;
  --gold: #c99a3d;
  --blue: #3378c6;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.lp { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.lc { width: 100%; max-width: 380px; background: var(--paper); border-radius: var(--radius); box-shadow: 0 4px 24px rgba(16, 29, 47, .08); padding: 40px 32px 32px; }
.lb { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
.lm { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; color: var(--navy); background: var(--gold); font-weight: 800; font-size: 18px; flex-shrink: 0; }
.lb strong { display: block; font-size: 16px; color: var(--ink); }
.lb small { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.lf { display: flex; flex-direction: column; gap: 16px; }
.lfield label { display: block; font-size: 13px; font-weight: 650; color: var(--ink); margin-bottom: 6px; }
.lfield input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; background: #fff; transition: border-color .15s, box-shadow .15s; }
.lfield input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px #e7f1fe; outline: none; }
.lbtn { width: 100%; padding: 11px 16px; border: none; border-radius: 8px; background: var(--navy); color: #fff; font-size: 15px; font-weight: 650; cursor: pointer; transition: filter .15s; }
.lbtn:hover { filter: brightness(1.15); }
.lbtn:active { filter: brightness(1.25); }
.lbtn:disabled { opacity: .6; cursor: not-allowed; }
.lerr { margin: 0; padding: 10px 12px; border-radius: 8px; background: #fff3f1; border: 1px solid #f1b9b2; color: #a33126; font-size: 13px; font-weight: 650; display: none; }
.lerr.show { display: block; }
.lfoot { margin-top: 24px; text-align: center; font-size: 11px; color: var(--muted); }

@media (max-width: 480px) {
  .lc { padding: 32px 24px 24px; }
}