:root {
  --bg-top: #f1f7ef;
  --bg-bottom: #d9e6f2;
  --card: #fffefb;
  --ink: #16212f;
  --muted: #4a5869;
  --accent: #1f7a5b;
  --accent-strong: #175740;
  --error: #9f2b2b;
  --ok: #14532d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 15%, rgba(31, 122, 91, 0.24), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(45, 93, 153, 0.2), transparent 35%),
    linear-gradient(155deg, var(--bg-top), var(--bg-bottom));
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.shell {
  width: min(760px, 100%);
}

.panel {
  background: var(--card);
  border: 1px solid rgba(22, 33, 47, 0.14);
  border-radius: 16px;
  box-shadow: 0 24px 55px rgba(16, 23, 33, 0.15);
  padding: clamp(1.1rem, 3.2vw, 2.2rem);
}

.eyebrow {
  margin: 0;
  font-size: 0.83rem;
  color: var(--muted);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

h1 {
  margin: 0.35rem 0 0.6rem;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.13;
}

.lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
  line-height: 1.45;
}

.mirror-form {
  display: grid;
  gap: 0.6rem;
}

label {
  font-size: 0.95rem;
  font-weight: 600;
}

input {
  border: 1px solid rgba(22, 33, 47, 0.22);
  border-radius: 10px;
  padding: 0.86rem 0.95rem;
  font: inherit;
}

input:focus {
  outline: 2px solid rgba(31, 122, 91, 0.33);
  border-color: var(--accent);
}

button {
  margin-top: 0.4rem;
  width: fit-content;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font: inherit;
  font-weight: 700;
  padding: 0.72rem 1.08rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.06);
}

.messages {
  margin-top: 1rem;
}

.msg {
  border-radius: 8px;
  padding: 0.66rem 0.72rem;
  margin: 0.45rem 0 0;
  font-size: 0.95rem;
}

.msg.error {
  background: #ffefef;
  color: var(--error);
  border: 1px solid #f7cdcd;
}

.msg.success {
  background: #ecf9f0;
  color: var(--ok);
  border: 1px solid #cfead8;
}

.result {
  margin-top: 1.25rem;
  border-top: 1px dashed rgba(22, 33, 47, 0.2);
  padding-top: 0.9rem;
}

.result h2 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

a {
  color: #1d4f99;
  text-decoration-thickness: 2px;
}

@media (max-width: 560px) {
  .panel {
    border-radius: 14px;
  }

  button {
    width: 100%;
  }
}