/* ── Reset & base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #1a1a1a;
  background: #f5f5f5;
  min-height: 100vh;
}

a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Nav ───────────────────────────────────────────────────────────────────── */
header {
  background: #1e293b;
  color: #f8fafc;
  padding: 0 1rem;
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.01em; }

.nav-links { display: flex; gap: 1.25rem; }
.nav-links a { color: #cbd5e1; font-size: 0.95rem; }
.nav-links a:hover { color: #f8fafc; text-decoration: none; }

/* ── Main content ──────────────────────────────────────────────────────────── */
main {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.page-header h1 { font-size: 1.5rem; font-weight: 700; }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid #d1d5db;
  background: #fff;
  color: #374151;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn:hover { background: #f3f4f6; text-decoration: none; }

.btn-primary { background: #2563eb; color: #fff; border-color: #2563eb; }
.btn-primary:hover { background: #1d4ed8; }

.btn-danger { background: #ef4444; color: #fff; border-color: #ef4444; }
.btn-danger:hover { background: #dc2626; }

.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }

/* ── Flash / error messages ────────────────────────────────────────────────── */
.flash-msg {
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.error-msg {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.error-list {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  padding: 0.6rem 1rem 0.6rem 2rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

/* ── Table ─────────────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

th, td {
  padding: 0.7rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
  font-size: 0.9rem;
}

th {
  background: #f8fafc;
  font-weight: 600;
  color: #475569;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

td.center { text-align: center; }
td.empty  { color: #9ca3af; font-style: italic; text-align: center; padding: 2rem; }

td.actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

/* ── Login page ────────────────────────────────────────────────────────────── */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: #fff;
  border-radius: 10px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.login-box h1 { font-size: 1.4rem; margin-bottom: 1.5rem; text-align: center; }

.login-box label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 1rem;
}

.login-box input {
  padding: 0.55rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
  width: 100%;
}
.login-box input:focus { outline: 2px solid #2563eb; outline-offset: 1px; border-color: transparent; }

.login-box button {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.5rem;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.login-box button:hover { background: #1d4ed8; }

/* ── Recipe form ───────────────────────────────────────────────────────────── */
.recipe-form {
  background: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  max-width: 760px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}

.form-row > label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
}

.form-row input[type="text"],
.form-row select,
.form-row textarea {
  padding: 0.5rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  width: 100%;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid #2563eb;
  outline-offset: 1px;
  border-color: transparent;
}

.form-row textarea { resize: vertical; min-height: 100px; }

/* Ingredient rows */
.ing-header {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0 0 0.25rem 0;
}

.ing-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  align-items: center;
}

.ing-row input { margin-bottom: 0; }

#add-ingredient { margin-top: 0.4rem; align-self: flex-start; }

/* Checkboxes */
.checkboxes { flex-direction: row; gap: 1.5rem; flex-wrap: wrap; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #e5e7eb;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .ing-header { display: none; }
  .ing-row { grid-template-columns: 1fr 1fr; row-gap: 0.3rem; }
  .ing-row input:first-child { grid-column: 1 / -1; }

  td.actions { flex-direction: column; align-items: flex-start; }
}