/* ---------------------------------------------------------------------------
   Field Cost Tracker — Landing Site Styles
   Colors match frontend-pwa/src/constants/colors.ts
   --------------------------------------------------------------------------- */

:root {
  --primary: #1B3A5C;
  --on-primary: #FFFFFF;
  --primary-container: #D3E4F5;
  --secondary: #F59E0B;
  --on-secondary: #1B3A5C;
  --secondary-container: #FEF3C7;
  --tertiary: #059669;
  --on-tertiary: #FFFFFF;
  --error: #DC2626;
  --background: #F8FAFC;
  --on-background: #1A1C1E;
  --surface: #FFFFFF;
  --on-surface: #1A1C1E;
  --surface-variant: #EEF2F7;
  --on-surface-variant: #42474E;
  --outline: #72787E;
  --outline-variant: #C2C7CF;
  --surface-low: #F2F5F9;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Roboto", system-ui, -apple-system, sans-serif;
  background: var(--background);
  color: var(--on-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- Layout --- */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header --- */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--outline-variant);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.site-header .logo:hover {
  text-decoration: none;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s;
}

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

.btn-primary:hover {
  background: #15304d;
  text-decoration: none;
}

.btn-outlined {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--outline);
}

.btn-outlined:hover {
  background: var(--surface-variant);
  text-decoration: none;
}

.btn-text {
  background: transparent;
  color: var(--primary);
  padding: 10px 12px;
}

.btn-error {
  background: var(--error);
  color: white;
}

.btn-error:hover {
  background: #b91c1c;
}

.btn-google {
  background: #FFFFFF;
  color: #1F1F1F;
  border: 1px solid #747775;
  border-radius: 20px;
  padding: 10px 16px;
  font-weight: 500;
}

.btn-google:hover {
  background: #F2F2F2;
  text-decoration: none;
}

.btn-google img {
  width: 20px;
  height: 20px;
}

/* --- Hero --- */

.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--on-surface-variant);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Features --- */

.features {
  padding: 64px 0;
  scroll-margin-top: 80px;
}

.features h2 {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
}

.feature-card .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--on-surface-variant);
}

/* --- How it works --- */

.how-it-works {
  padding: 64px 0;
  background: var(--surface-low);
}

.how-it-works h2 {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 48px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

/* --- Pricing --- */

.pricing {
  padding: 64px 0;
  text-align: center;
  scroll-margin-top: 80px;
}

.pricing h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.pricing p {
  color: var(--on-surface-variant);
  margin-bottom: 32px;
}

.pricing-card {
  display: inline-block;
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: 16px;
  padding: 40px 48px;
  text-align: center;
}

.pricing-card .price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.pricing-card .price-note {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  margin-bottom: 24px;
}

.pricing-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.pricing-card li {
  padding: 6px 0;
  font-size: 0.95rem;
}

.pricing-card li::before {
  content: "\2713 ";
  color: var(--tertiary);
  font-weight: 700;
  margin-right: 8px;
}

/* --- Footer --- */

.site-footer {
  border-top: 1px solid var(--outline-variant);
  padding: 32px 0;
  text-align: center;
  color: var(--on-surface-variant);
  font-size: 0.85rem;
}

.footer-links {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--primary);
  text-decoration: underline;
}

/* --- Setup page --- */

.setup-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.setup-card {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.setup-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.setup-card .subtitle {
  color: var(--on-surface-variant);
  margin-bottom: 32px;
}

.form-field {
  text-align: left;
  margin-bottom: 24px;
}

.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  margin-bottom: 6px;
}

.form-field input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--outline);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--surface);
  color: var(--on-surface);
}

.form-field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-container);
}

.form-error {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 6px;
}

/* --- Callback page --- */

.callback-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 24px;
}

.callback-page p {
  color: var(--on-surface-variant);
  font-size: 1.1rem;
}

.callback-page .error-text {
  color: var(--error);
}

/* --- Dashboard --- */

.dashboard-page {
  min-height: 100vh;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-top: 32px;
}

.dashboard-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

/* --- Welcome banner --- */

.welcome-banner {
  display: flex;
  align-items: stretch;
  background: #FEF9E7;
  border: 1px solid var(--outline-variant);
  border-left: 4px solid var(--secondary);
  border-radius: 12px;
  margin-top: 24px;
  overflow: hidden;
  position: relative;
}

.welcome-banner-content {
  flex: 1;
  padding: 16px 20px;
}

.welcome-banner-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.welcome-banner-header h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--on-surface);
}

.welcome-banner-content p {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

.welcome-banner-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--on-surface-variant);
  padding: 4px;
  line-height: 0;
  border-radius: 50%;
  transition: opacity 0.15s;
  opacity: 0.7;
  z-index: 1;
}

.welcome-banner-close:hover {
  opacity: 1;
}

.welcome-banner-arrow {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 12px;
  padding-right: 41px;
  flex-shrink: 0;
}

.welcome-banner-arrow svg {
  animation: arrow-bounce 1.5s ease-in-out infinite;
}

@keyframes arrow-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.dashboard-section {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.dashboard-section h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 16px;
}

/* --- Tables --- */

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--outline-variant);
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--surface-variant);
  font-size: 0.95rem;
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* --- Role badge --- */

.role-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.role-badge.owner {
  background: var(--primary-container);
  color: var(--primary);
}

.role-badge.admin {
  background: var(--secondary-container);
  color: var(--on-secondary);
}

.role-badge.member {
  background: var(--surface-variant);
  color: var(--on-surface-variant);
}

/* --- Invite form --- */

.invite-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 16px;
  background: var(--surface-low);
  border-radius: 12px;
  margin-top: 16px;
}

.invite-form .form-field {
  margin-bottom: 0;
  flex: 1;
  min-width: 200px;
}

.invite-form select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--outline);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--surface);
  color: var(--on-surface);
}

/* --- Toast --- */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--on-surface);
  color: var(--surface);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  z-index: 1000;
  animation: toast-fade 3s ease-in-out forwards;
}

.toast.error {
  background: var(--error);
  color: white;
}

@keyframes toast-fade {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
  10% { opacity: 1; transform: translateX(-50%) translateY(0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

/* --- Confirm Dialog --- */

.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  z-index: 1000;
}

.dialog-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dialog-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 12px;
}

.dialog-card p {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  line-height: 1.45;
  margin-bottom: 24px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* --- Contact page --- */

.contact-page {
  padding: 64px 0;
  display: flex;
  justify-content: center;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
  padding: 48px 40px;
  max-width: 520px;
  width: 100%;
}

.contact-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.contact-card .subtitle {
  color: var(--on-surface-variant);
  margin-bottom: 32px;
}

.contact-card textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--outline);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--on-surface);
  resize: vertical;
}

.contact-card textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-container);
}

.contact-card .input-error {
  border-color: var(--error);
}

.contact-card .input-error:focus {
  box-shadow: 0 0 0 2px #fecaca;
}

.char-count {
  font-size: 0.8rem;
  color: var(--on-surface-variant);
}

.contact-submit {
  width: 100%;
  margin-top: 8px;
}

.contact-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* --- Responsive --- */

@media (max-width: 640px) {
  .site-header .container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }
  .site-header .logo {
    width: 100%;
    text-align: center;
  }
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 1rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .setup-card { padding: 32px 24px; }
  .invite-form { flex-direction: column; }
  .data-table { font-size: 0.85rem; }
  .data-table th, .data-table td { padding: 8px 6px; }
}