MailSend/public/login.css

:root {
  color-scheme: light;
  --bg: #eef2f6;
  --panel: #ffffff;
  --ink: #19212b;
  --muted: #667286;
  --line: #d8dee7;
  --blue: #1d5fd1;
  --teal: #087f8c;
  --green: #16834c;
  --shadow: 0 22px 60px rgba(24, 33, 43, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(8, 127, 140, 0.08), rgba(22, 131, 76, 0.05)),
    var(--bg);
  color: var(--ink);
  display: grid;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
  margin: 0;
  min-height: 100vh;
  padding: 22px;
}

.login-shell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(340px, 1fr);
  margin: 0 auto;
  max-width: 980px;
  min-height: 560px;
  overflow: hidden;
  width: 100%;
}

.brand-pane {
  background: #12352f;
  color: #fff;
  display: grid;
  gap: 26px;
  grid-template-rows: auto auto 1fr;
  padding: 42px;
}

.brand-mark {
  align-items: center;
  background: #e9f3ff;
  border-radius: 8px;
  color: #173b78;
  display: flex;
  font-weight: 800;
  height: 56px;
  justify-content: center;
  letter-spacing: 0;
  width: 56px;
}

.brand-copy {
  display: grid;
  gap: 8px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 36px;
  letter-spacing: 0;
}

h2 {
  font-size: 26px;
  letter-spacing: 0;
}

.brand-copy p,
.login-heading .eyebrow,
label,
.login-message {
  color: var(--muted);
}

.brand-copy p {
  color: #b7c8dc;
  font-size: 15px;
}

.signal-grid {
  align-self: end;
  display: grid;
  gap: 12px;
}

.signal-grid div {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  padding: 14px;
}

.signal-grid span {
  color: #a7bbd1;
  font-size: 12px;
}

.signal-grid strong {
  font-size: 14px;
  overflow-wrap: anywhere;
}

.login-card {
  align-content: center;
  display: grid;
  gap: 28px;
  padding: 48px;
}

.login-heading {
  display: grid;
  gap: 7px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  font-size: 13px;
  gap: 7px;
}

input {
  background: #fff;
  border: 1px solid #c6cfdb;
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  min-height: 44px;
  padding: 10px 12px;
  width: 100%;
}

input:focus {
  border-color: var(--blue);
  outline: 3px solid rgba(29, 95, 209, 0.16);
}

button {
  background: var(--blue);
  border: 0;
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 46px;
  padding: 0 14px;
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.login-message {
  min-height: 20px;
  font-size: 13px;
}

.login-message.error {
  color: #b3261e;
}

@media (max-width: 780px) {
  body {
    padding: 14px;
  }

  .login-shell {
    grid-template-columns: 1fr;
  }

  .brand-pane {
    padding: 28px;
  }

  .login-card {
    padding: 30px;
  }
}