:root {
  --color-bg: #F7F5F0;
  --color-surface: #FFFFFF;
  --color-primary: #1B7A4D;
  --color-primary-dark: #145C3A;
  --color-accent: #D4A537;
  --color-text: #1F2937;
  --color-text-muted: #6B7280;
  --color-border: #E5E7EB;
  --color-danger: #DC2626;
  --radius: 16px;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

.hidden { display: none !important; }

/* ---------- Auth page ---------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-hero {
  padding: 48px 24px 24px;
}

.brand {
  font-weight: 800;
  font-size: 20px;
  color: var(--color-primary-dark);
}

.auth-hero h1 {
  font-size: 28px;
  line-height: 1.25;
  margin: 16px 0 12px;
}

.auth-hero p {
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.hero-eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-pricing {
  margin-top: 20px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.hero-pricing strong {
  color: var(--color-primary-dark);
}

.hero-points li {
  font-size: 14px;
  color: var(--color-text);
  padding-left: 22px;
  position: relative;
}

.hero-points li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: var(--shadow);
  padding: 24px;
  margin-top: auto;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  background: var(--color-bg);
  border-radius: 12px;
  padding: 4px;
}

.tab-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-muted);
  cursor: pointer;
}

.tab-btn.active {
  background: var(--color-surface);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-form label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input, select {
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  width: 100%;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 13px;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover { background: var(--color-primary-dark); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 8px 16px;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
}

.form-error {
  color: var(--color-danger);
  font-size: 13px;
  min-height: 16px;
  margin: 0;
}

/* ---------- App shell ---------- */
.app-shell {
  max-width: 640px;
  margin: 0 auto;
  padding-bottom: 40px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 8px;
}

.app-main {
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.month-title {
  font-size: 22px;
  margin: 8px 0 0;
  color: var(--color-primary-dark);
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--color-text);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.income-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.income-form label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.income-form .btn-primary {
  grid-column: 1 / -1;
}

.tithe-result {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tithe-label {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
}

.tithe-value {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.progress-wrap { display: flex; flex-direction: column; gap: 8px; }

.progress-bar {
  height: 10px;
  border-radius: 6px;
  background: var(--color-bg);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s ease;
}

#titheProgressLabel {
  font-size: 13px;
  color: var(--color-text-muted);
}

.streak-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.streak-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-accent);
}

.streak-label {
  font-size: 13px;
  color: var(--color-text-muted);
}

.chart-wrap {
  max-width: 280px;
  margin: 0 auto;
}

.entry-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.entries-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.entry-row:last-child { border-bottom: none; }

.entry-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.entry-desc {
  font-weight: 600;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entry-category {
  font-size: 12px;
  color: var(--color-text-muted);
}

.entry-amount {
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

.delete-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}

.delete-btn:hover { color: var(--color-danger); }

.empty-state {
  color: var(--color-text-muted);
  font-size: 14px;
  text-align: center;
  padding: 20px 0;
}

/* ---------- Paywall ---------- */
.paywall-card { text-align: center; }

.paywall-intro {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 8px 0 24px;
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  text-align: left;
}

.plan-option {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-option--highlight {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(27,122,77,0.15);
}

.plan-badge {
  position: absolute;
  top: -12px;
  right: 16px;
  background: var(--color-accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.plan-option h3 { margin: 0; font-size: 17px; }

.plan-price {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin: 0;
}

.plan-price span {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.plan-features li {
  font-size: 13px;
  color: var(--color-text);
  padding-left: 20px;
  position: relative;
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.paywall-guarantee {
  margin-top: 20px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ---------- Desktop ---------- */
@media (min-width: 720px) {
  .auth-page {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 60px;
    padding: 40px;
  }
  .auth-hero { max-width: 420px; padding: 0; }
  .auth-hero h1 { font-size: 36px; }
  .auth-card { max-width: 380px; border-radius: var(--radius); margin-top: 0; }

  .card-grid { grid-template-columns: 1fr 1fr; }
  .plans-grid { grid-template-columns: 1fr 1fr; }
}