:root {
  --bg: #f7f7fb;
  --card-bg: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #4f46e5;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --ok-bg: #ecfdf5;
  --ok-text: #047857;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent);
  text-decoration: none;
}

.topbar nav a {
  margin-left: 1.25rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

.topbar nav a:hover { color: var(--accent); }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1 { margin-top: 0; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.form label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form input, .form select {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 400;
}

button, .link-button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.6rem 1.1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
}

.link-button {
  background: none;
  color: var(--danger);
  padding: 0;
  font-size: 0.85rem;
  text-decoration: underline;
}

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

.flashes { margin-bottom: 1.5rem; }
.flash {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.flash-success { background: var(--ok-bg); color: var(--ok-text); }
.flash-error { background: var(--danger-bg); color: var(--danger); }

.roast-card {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: white;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.roast-label {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  opacity: 0.85;
}
.roast-text {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0.4rem 0 0 0;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.breakdown-table th, .breakdown-table td {
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.breakdown-table tr.over-budget {
  background: var(--danger-bg);
}
.breakdown-table tr.over-budget td:first-child {
  color: var(--danger);
  font-weight: 700;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge-danger { background: var(--danger); color: white; }
.badge-ok { background: var(--ok-bg); color: var(--ok-text); }