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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f8f8f6;
  color: #1a1a1a;
  min-height: 100vh;
}

/* Nav */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: #1a1a1a;
}

.nav-links a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: #555;
  font-size: 0.95rem;
}

.nav-links a:hover { color: #1a1a1a; }

/* Main content */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

/* Flash messages */
.flash-messages { margin-bottom: 1rem; }
.flash {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
}

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: opacity 0.15s;
}

.btn-primary { background: #3b5bdb; color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-secondary { background: #e5e5e5; color: #1a1a1a; }
.btn-secondary:hover { background: #d5d5d5; }
.btn-lucky {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px dashed #3b5bdb;
  background: transparent;
  color: #3b5bdb;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.btn-lucky:hover { background: #eef1ff; }

/* Landing page */
.landing {
  max-width: 520px;
  margin: 6rem auto;
  text-align: center;
}

.landing h1 {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.landing p {
  color: #555;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.landing .btn-primary,
.landing .btn-lucky {
  display: block;
  width: 100%;
  margin-bottom: 0.75rem;
}

#manual-entry {
  margin-top: 1.5rem;
}

#address-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.hidden { display: none !important; }
.error { color: #c0392b; font-size: 0.9rem; margin-top: 0.5rem; }

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
  border-top: 1px solid #e5e5e5;
}

footer a {
  display: inline-block;
  background: #FFDD00;
  color: #000;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  transition: opacity 0.15s;
}

footer a:hover { opacity: 0.85; }

/* Back link */
.back-link {
  display: inline-block;
  color: #555;
  text-decoration: none;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.back-link:hover { color: #1a1a1a; }