:root {
  --cream: #fff8e8;
  --paper: #ffffff;
  --mint: #dff7db;
  --green: #154f36;
  --green-2: #0f3e2b;
  --lime: #b8ed62;
  --orange: #ff8a3d;
  --coral: #ff6d5a;
  --ink: #173328;
  --muted: #617269;
  --line: rgba(21, 79, 54, 0.15);
  --shadow: 0 20px 50px rgba(15, 62, 43, 0.14);
  --radius: 24px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(184, 237, 98, 0.35), transparent 28rem),
    radial-gradient(circle at top right, rgba(255, 138, 61, 0.28), transparent 24rem),
    var(--cream);
}

a { color: inherit; }

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--green);
  color: var(--lime);
  font-weight: 900;
  letter-spacing: -0.05em;
  box-shadow: var(--shadow);
}

.brand strong {
  display: block;
  font-size: 1rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a,
.logout-form button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--green);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.92rem;
}

.logout-form { margin: 0; }

.flash {
  border-radius: 18px;
  padding: 14px 16px;
  margin: 0 0 16px;
  font-weight: 800;
  border: 1px solid var(--line);
}

.flash.success { background: var(--mint); color: var(--green); }
.flash.error { background: #ffe5df; color: #923021; }

.hero {
  flex: 1;
  display: grid;
  align-content: center;
  gap: 28px;
  padding: 24px 0 56px;
}

.centered-card {
  place-items: center;
}

.card,
.choice-card,
.metric-card {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.login-card {
  width: min(480px, 100%);
  padding: clamp(24px, 5vw, 42px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  background: var(--mint);
  border: 1px solid rgba(21, 79, 54, 0.12);
  padding: 7px 12px;
  border-radius: 999px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
}

h1, h2, p { margin-top: 0; }

h1 {
  font-size: clamp(2.1rem, 5vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin-bottom: 14px;
  color: var(--green-2);
}

.card h1,
.content-narrow h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  color: var(--green-2);
  letter-spacing: -0.03em;
}

.muted,
.welcome p,
.results-hero p {
  color: var(--muted);
  line-height: 1.6;
}

.form-stack {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

label span {
  display: block;
  font-weight: 900;
  margin-bottom: 8px;
  color: var(--green-2);
}

label em {
  color: var(--muted);
  font-style: normal;
  font-weight: 700;
}

input, select, textarea {
  width: 100%;
  border: 2px solid rgba(21, 79, 54, 0.14);
  border-radius: 16px;
  padding: 14px 14px;
  font: inherit;
  color: var(--ink);
  background: #fffef9;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.18);
}

button.primary,
.primary {
  border: none;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--orange), var(--coral));
  color: #fff;
  padding: 15px 18px;
  font-weight: 950;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 15px 30px rgba(255, 109, 90, 0.24);
}

.welcome {
  max-width: 760px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.choice-card {
  display: grid;
  gap: 10px;
  padding: 26px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.choice-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 60px rgba(15, 62, 43, 0.18);
}

.emoji {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--mint);
  font-size: 1.8rem;
}

.choice-card p {
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 0;
}

.content-narrow,
.content-wide {
  flex: 1;
  padding: 24px 0 56px;
}

.content-narrow {
  width: min(680px, 100%);
  margin: 0 auto;
}

.content-narrow .card,
.section-card {
  padding: clamp(22px, 4vw, 34px);
}

.results-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 20px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.metric-card {
  padding: 22px;
}

.metric-card span,
.person-hours span {
  display: block;
  color: var(--muted);
  font-weight: 850;
  font-size: 0.9rem;
}

.metric-card strong {
  display: block;
  margin-top: 12px;
  font-size: clamp(1.55rem, 2.8vw, 2.4rem);
  letter-spacing: -0.05em;
  color: var(--green-2);
}

.metric-card small {
  color: var(--muted);
  font-weight: 800;
}

.metric-card.highlight {
  background: var(--green);
  color: white;
}

.metric-card.highlight span,
.metric-card.highlight strong {
  color: white;
}

.hours-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.person-hours {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: #fffef9;
}

.person-hours strong {
  display: block;
  margin-top: 8px;
  font-size: 1.5rem;
  color: var(--green-2);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--green-2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.error-box {
  white-space: pre-wrap;
  background: #fff1ed;
  border-radius: 14px;
  padding: 14px;
  overflow-x: auto;
}

.footer {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
  padding: 18px 0 24px;
}

@media (max-width: 900px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .nav { justify-content: flex-start; }
  .choice-grid, .metric-grid, .hours-grid, .two-col { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.2rem, 13vw, 3.6rem); }
}

@media (max-width: 520px) {
  .page-shell { width: min(100% - 22px, 1180px); }
  .nav a, .logout-form button { padding: 9px 11px; font-size: 0.85rem; }
  .choice-card, .metric-card, .content-narrow .card, .section-card { padding: 20px; }
  table { font-size: 0.86rem; }
}