/* FitPanda Brand Stylesheet */
/* Revolut-inspired: clean, minimal, generous spacing */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

/* ── CSS Variables ── */
:root {
  --color-primary: #0666EB;
  --color-primary-hover: #0555CC;
  --color-primary-light: rgba(6, 102, 235, 0.08);
  --color-text: #191C1F;
  --color-text-secondary: #5F6368;
  --color-text-muted: #8B959E;
  --color-bg: #F7F8FA;
  --color-surface: #FFFFFF;
  --color-border: #EBEBEB;
  --color-success: #10B981;
  --color-error: #DC2626;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-pill: 100px;
  --radius-card: 16px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-elevated: 0 4px 12px rgba(0, 0, 0, 0.08);
  --max-width: 720px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
}

/* ── Base ── */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-surface);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  display: block;
}

/* ── Typography ── */
h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-small {
  font-size: 0.875rem;
}

.text-center {
  text-align: center;
}

/* ── Layout ── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  flex: 1;
}

/* ── Header ── */
.header {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.header-logo svg {
  width: 36px;
  height: 36px;
}

.header-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header-logo-text .fit {
  color: var(--color-primary);
}

.header-logo-text .panda {
  color: var(--color-text);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: var(--radius-pill);
  padding: 14px 32px;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: var(--shadow-elevated);
}

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

.btn-secondary:hover {
  background-color: rgba(6, 102, 235, 0.14);
  color: var(--color-primary);
}

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

.btn-outline:hover {
  border-color: var(--color-text-muted);
  background-color: var(--color-bg);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Cards ── */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
}

.badge-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.badge-success {
  background-color: var(--color-success);
  color: #FFFFFF;
}

.badge-error {
  background-color: var(--color-error);
  color: #FFFFFF;
}

.badge-muted {
  background-color: var(--color-bg);
  color: var(--color-text-muted);
}

/* ── Form Elements ── */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

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

/* ── Footer ── */
.footer {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-3xl);
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ── Legal pages ── */
.legal-content {
  padding: var(--spacing-2xl) 0;
}

.legal-content h1 {
  margin-bottom: var(--spacing-sm);
}

.legal-content .last-updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-xl);
}

.legal-section {
  margin-bottom: var(--spacing-xl);
}

.legal-section h3 {
  margin-bottom: var(--spacing-sm);
}

.legal-section p {
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ── Deep link pages ── */
.deeplink-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.deeplink-page .logo-area {
  margin-bottom: var(--spacing-xl);
}

.deeplink-page h1 {
  margin-bottom: var(--spacing-md);
}

.deeplink-page p {
  margin-bottom: var(--spacing-xl);
  max-width: 400px;
}

.deeplink-page .store-badges {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Store badge placeholders ── */
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  background-color: var(--color-text);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.store-badge:hover {
  opacity: 0.85;
  color: #FFFFFF;
}

.store-badge-disabled {
  background-color: #B0B8C1;
  cursor: not-allowed;
  pointer-events: none;
}

.store-badge svg {
  width: 20px;
  height: 20px;
  fill: #FFFFFF;
}

.store-badge-label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.store-badge-label small {
  font-size: 0.625rem;
  font-weight: 400;
  opacity: 0.8;
}

.store-badge-label span {
  font-size: 0.9375rem;
  font-weight: 600;
}

/* ── Loading spinner ── */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-lg);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Status messages ── */
.status-success {
  color: var(--color-success);
}

.status-error {
  color: var(--color-error);
}

.status-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  :root {
    --spacing-lg: 20px;
    --spacing-xl: 24px;
    --spacing-2xl: 36px;
    --spacing-3xl: 48px;
  }

  h1 {
    font-size: 1.625rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .card {
    padding: var(--spacing-lg);
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.9375rem;
  }

  .store-badges {
    flex-direction: column;
    align-items: center;
  }
}