:root {
  --ink: #132630;
  --muted: #667781;
  --paper: #fbfaf6;
  --white: #ffffff;
  --line: #d9edf5;
  --blue: #c6eafa;
  --blue-deep: #1687bf;
  --gold: #a88d54;
  --shadow: 0 22px 55px rgba(26, 51, 62, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(198, 234, 250, 0.8), rgba(255, 255, 255, 0.5)),
    var(--paper);
}

.login-panel,
.panel,
.announcement,
.cards article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.login-panel {
  width: min(440px, 100%);
  padding: 38px;
}

.brand,
.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-deep);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 18px;
  font-size: 1.2rem;
}

.intro {
  color: var(--muted);
}

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

label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

input {
  min-height: 48px;
  padding: 0 14px;
}

textarea {
  resize: vertical;
  padding: 14px;
}

button {
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.alert {
  margin: 0 0 18px;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 700;
}

.alert.error {
  background: #fff0f0;
  color: #9f2d2d;
}

.alert.success {
  background: #edf9f2;
  color: #287246;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.topbar h1 {
  margin: 0;
}

.account {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
}

.account a {
  min-height: 40px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--blue);
  text-decoration: none;
}

.dashboard {
  display: grid;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 32px auto 64px;
}

.announcement {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: clamp(26px, 5vw, 46px);
}

.announcement p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.meta {
  display: grid;
  align-content: start;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cards article {
  min-height: 132px;
  padding: 22px;
}

.cards span {
  display: block;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cards strong {
  display: block;
  color: var(--gold);
  font-size: 1.35rem;
  line-height: 1.25;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(360px, 1.22fr);
  gap: 24px;
}

.panel {
  padding: clamp(22px, 4vw, 34px);
}

.reminders {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.8;
}

@media (max-width: 880px) {
  .topbar,
  .announcement {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

  .account,
  .meta {
    justify-content: start;
    text-align: left;
  }

  .cards,
  .split {
    grid-template-columns: 1fr;
  }
}