* { box-sizing: border-box; }
body { font-family: system-ui, sans-serif; margin: 0; background: #f4f5f7; color: #1a1a1a; }
.screen { min-height: 100vh; }
.login-box { max-width: 320px; margin: 15vh auto; padding: 2rem; background: #fff; border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,.1); display: flex; flex-direction: column; gap: .75rem; }
.login-box h1 { font-size: 1.25rem; margin: 0 0 .5rem; }
input, select { padding: .5rem; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; }
button { padding: .5rem 1rem; border: none; border-radius: 4px; background: #2563eb; color: #fff;
  cursor: pointer; font-size: 1rem; }
button:hover { background: #1d4ed8; }
.error { color: #dc2626; font-size: .9rem; }
.success { color: #16a34a; font-size: .9rem; }
header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem;
  background: #fff; border-bottom: 1px solid #e5e7eb; }
header h1 { font-size: 1.1rem; margin: 0; }
.tabs { display: flex; gap: .5rem; padding: 1rem 1.5rem 0; }
.tab-btn { background: #e5e7eb; color: #1a1a1a; }
.tab-btn.active { background: #2563eb; color: #fff; }
.tab-panel { padding: 1.5rem; }
#order-form { display: flex; flex-direction: column; gap: .75rem; max-width: 600px; }
#order-form label { display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; background: #fff; }
th, td { padding: .5rem; border-bottom: 1px solid #e5e7eb; text-align: left; font-size: .9rem; }
.stage-badge { padding: .15rem .5rem; border-radius: 4px; font-size: .8rem; background: #fef3c7; }
.stage-approved, .stage-created_in_tally { background: #d1fae5; }
.stage-rejected { background: #fee2e2; }
.inline-form { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin: .75rem 0; }
.inline-form input, .inline-form select { flex: 1 1 160px; }
h2 { font-size: 1rem; margin-top: 2rem; }