:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --ink: #18211f;
  --muted: #66736f;
  --line: #dce3e0;
  --accent: #117865;
  --warn: #a33b31;
  --shadow: 0 18px 50px rgba(24, 33, 31, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  position: relative;
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.language-button {
  position: absolute;
  top: 20px;
  right: 20px;
  min-height: 38px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 8px 12px;
}

.logo-link {
  display: inline-flex;
  margin-bottom: 10px;
}

img {
  width: 154px;
  height: 86px;
  object-fit: contain;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 38px;
  line-height: 1.05;
}

.intro {
  margin: 10px 0 22px;
  color: var(--muted);
}

form,
label {
  display: grid;
  gap: 12px;
}

label span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
button {
  min-height: 46px;
  border-radius: 7px;
  font: inherit;
}

input {
  border: 1px solid var(--line);
  padding: 10px 12px;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(17, 120, 101, 0.14);
}

button {
  border: 0;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.status {
  min-height: 20px;
  margin: 0;
  color: var(--warn);
  font-weight: 700;
}