:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17202a;
  background: #eef2f5;
}

* { box-sizing: border-box; }

body { margin: 0; min-width: 320px; }

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
  background: linear-gradient(135deg, #edf3f5 0%, #f7f8f5 55%, #dfe9e8 100%);
}

.panel {
  width: min(100%, 460px);
  padding: 36px;
  border: 1px solid #d5dedf;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 50px rgb(23 32 42 / 12%);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #ffffff;
  background: #176b65;
  font-size: 22px;
  font-weight: 700;
}

.eyebrow { margin: 24px 0 8px; color: #176b65; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { margin: 0; font-size: 30px; line-height: 1.15; }
.intro { margin: 12px 0 24px; color: #5d6870; line-height: 1.5; font-size: 14px; }

form { display: grid; gap: 14px; }
.form-group { display: grid; gap: 6px; }
label { color: #37434b; font-size: 14px; font-weight: 650; }
input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #b9c5c8;
  border-radius: 5px;
  color: #17202a;
  background: #ffffff;
  font: inherit;
  font-size: 14px;
}
input:focus { outline: 3px solid rgb(23 107 101 / 18%); border-color: #176b65; }
.form-hint {
  margin: 0;
  color: #6c7a82;
  font-size: 12px;
  line-height: 1.4;
}
button {
  min-height: 46px;
  margin-top: 10px;
  border: 0;
  border-radius: 5px;
  color: #ffffff;
  background: #176b65;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
button:hover { background: #125650; }
button:disabled { cursor: wait; opacity: 0.65; }
.form-error {
  margin: 4px 0 0;
  padding: 10px 12px;
  border-radius: 5px;
  background: #fef3f2;
  border: 1px solid #fecdca;
  color: #b42318;
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 480px) {
  .panel { padding: 28px 20px; }
  h1 { font-size: 26px; }
}