:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --border: #d7dce1;
  --text: #1f2933;
  --muted: #6b7684;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --error: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* Login */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.login-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
}

.login-subtitle {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
}

/* Fields */
.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.field input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}

.field input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

/* Buttons */
.btn {
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
}

.topbar h1 {
  margin: 0;
  font-size: 1.1rem;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.username {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Content */
.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Error */
.error {
  color: var(--error);
  font-size: 0.9rem;
  margin: 0.5rem 0;
  min-height: 1.2em;
}

/* Status message (change password) */
.message {
  min-height: 1.2em;
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

.success {
  color: #15803d;
}