* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f4f6f8;
  color: #1f2933;
  min-height: 100vh;
}

/* ---- Auth pages (login / signup) ---- */

.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.auth-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}

.auth-card h1 {
  text-align: center;
  font-size: 1.5rem;
  color: #2f54eb;
  margin-bottom: 0.25rem;
}

.auth-card h2 {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 500;
  color: #52606d;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid #cbd2d9;
  border-radius: 6px;
  font-size: 1rem;
}

.form-group input:focus {
  outline: none;
  border-color: #2f54eb;
  box-shadow: 0 0 0 3px rgba(47, 84, 235, 0.15);
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  padding: 0.65rem 1.25rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-primary {
  width: 100%;
  background: #2f54eb;
  color: #fff;
  margin-top: 0.5rem;
}

.btn-primary:hover {
  background: #1d39c4;
}

.btn-secondary {
  background: #e4e7eb;
  color: #1f2933;
}

.btn-secondary:hover {
  background: #cbd2d9;
}

.auth-switch {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: #52606d;
}

.auth-switch a {
  color: #2f54eb;
  text-decoration: none;
  font-weight: 600;
}

.message {
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.message.error {
  background: #fdecea;
  color: #b71c1c;
}

.message.success {
  background: #e8f5e9;
  color: #1b5e20;
}

.hidden {
  display: none;
}

/* ---- Dashboard ---- */

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  padding: 0.75rem 1.5rem;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: #2f54eb;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-user {
  font-weight: 600;
  color: #52606d;
}

.dashboard {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.dashboard h2 {
  margin-bottom: 1.5rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  padding: 1.5rem;
}

.card h3 {
  margin-bottom: 0.75rem;
  color: #2f54eb;
}

.card p {
  margin-bottom: 0.5rem;
  color: #52606d;
  font-size: 0.95rem;
}