:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #071526;
  color: #f5f8fa;
}

* { box-sizing: border-box; }

body { margin: 0; min-height: 100vh; }

.auth-page {
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card, .placeholder-card {
  background: #12293f;
  border: 1px solid #26465e;
  border-radius: 12px;
}

.auth-card {
  width: min(100%, 420px);
  padding: 36px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #35c6c8;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2 { margin: 0; }
h1 { font-size: clamp(2rem, 6vw, 2.75rem); }
h2 { font-size: 1.25rem; }
.intro { color: #b4c0ca; line-height: 1.55; }

form { display: grid; gap: 10px; margin-top: 28px; }
label { font-size: .9rem; font-weight: 700; }
input, button { border-radius: 7px; font: inherit; }
input { border: 1px solid #597084; padding: 12px; background: #071526; color: inherit; }
input:focus { outline: 3px solid #17b3b5; outline-offset: 2px; }
button { cursor: pointer; border: 0; padding: 12px 16px; font-weight: 700; background: #17b3b5; color: #04131f; }
button:disabled { cursor: wait; opacity: .7; }
.form-status { min-height: 1.25em; margin: 6px 0; color: #ffb4a8; }

.workspace-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px clamp(24px, 6vw, 80px);
  border-bottom: 1px solid #26465e;
}

.wordmark { color: #f5f8fa; font-size: 1.15rem; font-weight: 700; text-decoration: none; }
.secondary-button { background: transparent; color: #f5f8fa; border: 1px solid #597084; }
.workspace-main { width: min(100% - 48px, 960px); margin: 72px auto; }
.workspace-nav { display: flex; gap: 20px; margin: 34px 0 20px; }
.workspace-nav a { color: #35c6c8; font-weight: 700; }
.placeholder-card { padding: 24px; margin-top: 16px; }
.placeholder-card p { margin-bottom: 0; color: #b4c0ca; }
.message-card { margin-top: 16px; }
.message-card--new { border-left: 4px solid #17b3b5; }
.message-card--read { border-left: 4px solid #5b8bb2; }
.message-card--archived { border-left: 4px solid #54616c; opacity: .78; }
.message-meta { color: #9aaab8 !important; font-size: .9rem; }
.message-body { white-space: pre-wrap; }
.status-badge { display: inline-block; width: fit-content; margin-top: 12px; border-radius: 999px; padding: 4px 8px; font-size: .72rem; font-weight: 700; letter-spacing: .08em; }
.status-badge--new { background: #0d4b4d; color: #77eeef; }
.status-badge--read { background: #183d5d; color: #a8d5fa; }
.status-badge--archived { background: #36424c; color: #d0d7dc; }
.message-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 8px; }
.message-filters button { background: transparent; border: 1px solid #597084; color: #f5f8fa; padding: 8px 12px; }
.message-filters button[aria-pressed="true"] { background: #17b3b5; border-color: #17b3b5; color: #04131f; }
.message-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.message-actions button { padding: 8px 12px; }
.console-form { display: grid; gap: 10px; margin-top: 20px; max-width: 440px; }
.console-form fieldset { display: grid; gap: 8px; border: 1px solid #597084; border-radius: 7px; padding: 12px; }
.checkbox-label { font-weight: 400; }
.users-list { display: grid; gap: 10px; margin-top: 18px; }
.user-row { display: grid; grid-template-columns: minmax(140px, 1fr) 100px minmax(160px, 1fr); gap: 16px; align-items: center; border-top: 1px solid #26465e; padding-top: 12px; }
.user-row details { grid-column: 1 / -1; }
.user-row summary { cursor: pointer; color: #77eeef; font-weight: 700; }
.user-management { display: grid; gap: 12px; max-width: 480px; margin-top: 14px; }
.user-management fieldset { display: grid; gap: 6px; border: 1px solid #597084; border-radius: 7px; padding: 10px; }
.user-management input[type="password"] { width: 100%; }
.user-management button { width: fit-content; }
@media (max-width: 620px) { .user-row { grid-template-columns: 1fr; gap: 4px; } }