/* ═══════════════════════════════════════════════════════════════
   CardScan AI — Business Style
   Palette: calm blue-grey tones, professional B2B SaaS look
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── Design tokens ── */
:root {
  --color-bg:            #F6F8FA;
  --color-surface:       #FFFFFF;
  --color-surface-2:     #F0F4F8;
  --color-primary:       #6B8FBF;
  --color-primary-hover: #5A7FAA;
  --color-primary-lt:    #C5D8EF;
  --color-primary-dk:    #4A6FA0;
  --color-secondary:     #7BB7A8;
  --color-secondary-lt:  #B3D9D1;
  --color-text:          #1F2933;
  --color-text-md:       #64748B;
  --color-text-muted:    #94A3B8;
  --color-border:        #DDE5EE;
  --color-hover:         #EEF4FA;
  --color-error:         #FEE2E2;
  --color-error-dk:      #DC2626;
  --color-success:       #D1FAE5;
  --color-success-dk:    #059669;
  --color-warning:       #FEF3C7;
  --shadow-sm:  0 2px 8px rgba(31, 41, 51, 0.06);
  --shadow-md:  0 8px 24px rgba(31, 41, 51, 0.08);
  --shadow-lg:  0 16px 48px rgba(31, 41, 51, 0.12);
  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Manrope', system-ui, Arial, sans-serif;
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-text);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dk); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Utility ── */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.hidden { display: none !important; }

/* ── Background ── */
.gradient-bg {
  background: linear-gradient(150deg, #F6F8FA 0%, #EEF4FA 60%, #EAF2EF 100%);
  min-height: 100vh;
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
  border: 1px solid var(--color-border);
}
.card-sm { padding: 20px; border-radius: var(--radius-md); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(107, 143, 191, 0.30);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 16px rgba(107, 143, 191, 0.40);
  transform: translateY(-1px);
  color: #fff;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-hover);
  border-color: var(--color-primary-lt);
  color: var(--color-primary-dk);
  transform: translateY(-1px);
}

.btn-mint {
  background: var(--color-secondary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(123, 183, 168, 0.30);
}
.btn-mint:hover:not(:disabled) {
  background: #6AA899;
  transform: translateY(-1px);
}

.btn-lg { padding: 14px 36px; font-size: 1rem; }
.btn-sm { padding: 7px 16px; font-size: 0.82rem; }
.btn-block { width: 100%; }

/* ── Form inputs ── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-md);
}
.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 143, 191, 0.15);
}
.form-control::placeholder { color: var(--color-text-muted); }
.form-control.is-invalid { border-color: var(--color-error-dk); }
.form-error {
  display: none;
  margin-top: 5px;
  font-size: 0.8rem;
  color: var(--color-error-dk);
}
.form-error.visible { display: block; }

/* ── Navbar ── */
.navbar {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
  max-width: 1120px;
  margin: 0 auto;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Manrope', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary-dk);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.navbar-brand .brand-icon {
  width: 34px; height: 34px;
  background: var(--color-primary);
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 17px;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-md);
  transition: all var(--transition);
}
.nav-link:hover { background: var(--color-hover); color: var(--color-primary); }
.nav-link.active { color: var(--color-primary); font-weight: 600; }
.navbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--color-text-md);
}
.avatar {
  width: 34px; height: 34px;
  background: var(--color-primary-lt);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--color-primary-dk);
  font-size: 0.82rem;
}

/* ── Hero ── */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(197, 216, 239, 0.30) 0%, transparent 60%),
    radial-gradient(circle at 80% 70%, rgba(179, 217, 209, 0.25) 0%, transparent 55%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(107, 143, 191, 0.10);
  border: 1px solid var(--color-primary-lt);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-dk);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  color: var(--color-text);
  margin-bottom: 20px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.05rem;
  color: var(--color-text-md);
  max-width: 500px;
  margin: 0 auto 36px;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-image {
  margin-top: 64px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Features grid ── */
.features { padding: 72px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 2rem; margin-bottom: 10px; letter-spacing: -0.02em; }
.section-header p { color: var(--color-text-md); font-size: 1rem; max-width: 460px; margin: 0 auto; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  font-size: 22px;
  margin-bottom: 18px;
  background: var(--color-hover);
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: var(--color-text-md); font-size: 0.875rem; }

/* ── Pricing ── */
.pricing { padding: 72px 0; background: var(--color-surface-2); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 20px;
  max-width: 940px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1.5px solid var(--color-border);
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.pricing-card.popular {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 143, 191, 0.12), var(--shadow-md);
}
.popular-badge {
  position: absolute;
  top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pricing-plan { font-size: 0.9rem; font-weight: 600; color: var(--color-text-md); margin-bottom: 10px; }
.pricing-price { font-size: 2.8rem; font-family: 'Manrope', sans-serif; font-weight: 800; color: var(--color-text); margin-bottom: 4px; }
.pricing-price sup { font-size: 1.1rem; vertical-align: top; margin-top: 10px; }
.pricing-period { font-size: 0.82rem; color: var(--color-text-muted); margin-bottom: 24px; }
.pricing-features { text-align: left; margin-bottom: 24px; }
.pricing-features li {
  padding: 7px 0;
  border-bottom: 1px solid var(--color-bg);
  font-size: 0.875rem;
  color: var(--color-text-md);
  display: flex; align-items: center; gap: 10px;
}
.pricing-features li::before { content: '✓'; color: var(--color-secondary); font-weight: 700; flex-shrink: 0; }

/* ── Footer ── */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 36px 0;
  text-align: center;
}
footer p { color: var(--color-text-muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 20px; justify-content: center; margin-bottom: 14px; }
.footer-links a { font-size: 0.85rem; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }

/* ── Auth pages ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(150deg, #F6F8FA 0%, #EEF4FA 60%, #EAF2EF 100%);
}
.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 44px 40px;
  width: 100%;
  max-width: 440px;
  border: 1px solid var(--color-border);
}
.auth-card .logo {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; margin-bottom: 32px;
  font-family: 'Manrope', sans-serif;
  font-size: 1.3rem; font-weight: 800;
  color: var(--color-primary-dk);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.auth-card .logo .brand-icon {
  width: 38px; height: 38px;
  background: var(--color-primary);
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: 19px;
}
.auth-card h1 { font-size: 1.6rem; margin-bottom: 6px; letter-spacing: -0.02em; }
.auth-card .subtitle { color: var(--color-text-muted); margin-bottom: 28px; font-size: 0.875rem; }
.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 22px 0;
  color: var(--color-text-muted);
  font-size: 0.78rem;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1;
  height: 1px; background: var(--color-border);
}
.auth-footer { text-align: center; margin-top: 22px; font-size: 0.85rem; color: var(--color-text-muted); }
.auth-footer a { color: var(--color-primary); font-weight: 600; }
.back-home { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--color-text-muted); }

/* ── Dashboard ── */
.dashboard-layout {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}
.dashboard-main { padding: 36px 0; }
.dashboard-header { margin-bottom: 28px; }
.dashboard-header h1 { font-size: 1.8rem; margin-bottom: 6px; letter-spacing: -0.02em; }
.dashboard-header p { color: var(--color-text-md); font-size: 0.95rem; }

/* ── Drop zone ── */
.drop-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--color-surface);
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-hover);
}
.drop-zone.drag-over { transform: scale(1.005); }
.drop-zone-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
  opacity: 0.7;
}
.drop-zone h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--color-text); }
.drop-zone p { color: var(--color-text-muted); font-size: 0.875rem; }
.drop-zone .hint {
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.drop-zone input[type=file] {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0; cursor: pointer;
}
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.preview-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/2;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface-2);
}
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-item .preview-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(31, 41, 51, 0.72);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 8px;
  text-align: center;
}
.preview-item .remove-btn {
  position: absolute; top: 5px; right: 5px;
  width: 20px; height: 20px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-size: 11px;
  display: grid; place-items: center;
  color: var(--color-error-dk);
}

/* ── Progress steps ── */
.progress-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.progress-panel h3 { font-size: 1.05rem; margin-bottom: 22px; color: var(--color-text); }
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  position: relative;
}
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 18px; top: 50px;
  width: 2px; height: 14px;
  background: var(--color-border);
}
.step.done::after { background: var(--color-secondary); }
.step-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 16px;
  flex-shrink: 0;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.step.done .step-icon {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
  font-size: 14px;
}
.step.active .step-icon {
  background: var(--color-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
  animation: pulse-step 1.4s ease-in-out infinite;
}
.step.error .step-icon {
  background: var(--color-error);
  border-color: var(--color-error-dk);
  color: var(--color-error-dk);
}
.step-text { flex: 1; }
.step-name { font-weight: 600; font-size: 0.9rem; color: var(--color-text); }
.step-desc { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 2px; }
.step-spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-step {
  0%, 100% { box-shadow: 0 0 0 0 rgba(107, 143, 191, 0.35); }
  50%       { box-shadow: 0 0 0 7px rgba(107, 143, 191, 0); }
}

/* ── Result panel ── */
.result-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1.5px solid var(--color-secondary-lt);
  box-shadow: var(--shadow-md);
  animation: fadeInUp 0.35s ease;
}
.result-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}
.result-avatar {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--color-primary-lt) 0%, var(--color-secondary-lt) 100%);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary-dk);
  font-family: 'Manrope', sans-serif;
  flex-shrink: 0;
}
.result-name { font-size: 1.4rem; margin-bottom: 3px; letter-spacing: -0.02em; }
.result-title { font-size: 0.875rem; color: var(--color-text-md); }

.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; }
.result-field {}
.result-field-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 5px;
}
.result-field-value { font-size: 0.925rem; color: var(--color-text); font-weight: 500; }
.result-field-value a { color: var(--color-primary); }
.result-field-value a:hover { color: var(--color-primary-dk); }
.result-tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 2px; }
.result-tag {
  padding: 4px 11px;
  background: var(--color-hover);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--color-text);
}
.result-tag a { color: var(--color-primary); }

/* ── Payment ── */
.payment-card { max-width: 540px; margin: 0 auto; }
.plan-selector { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 24px; }
.plan-option {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}
.plan-option:hover { border-color: var(--color-primary-lt); background: var(--color-hover); }
.plan-option.selected {
  border-color: var(--color-primary);
  background: rgba(107, 143, 191, 0.06);
}
.plan-option input { display: none; }
.plan-name { font-weight: 700; font-size: 0.875rem; color: var(--color-text); }
.plan-price { font-size: 1.2rem; font-family: 'Manrope', sans-serif; font-weight: 800; color: var(--color-primary-dk); margin: 4px 0; }
.plan-period { font-size: 0.72rem; color: var(--color-text-muted); }
.card-field { margin-bottom: 14px; }
.card-row { display: grid; grid-template-columns: 2fr 1fr; gap: 10px; }
.card-icons { display: flex; gap: 7px; margin-bottom: 20px; }
.card-icon {
  padding: 3px 9px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-md);
}
.secure-badge {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.78rem; color: var(--color-text-muted);
  margin-top: 14px; justify-content: center;
}

/* ── Status pages ── */
.status-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.status-card {
  text-align: center;
  max-width: 440px;
  width: 100%;
}
.status-icon {
  font-size: 72px;
  display: block;
  margin-bottom: 20px;
  animation: bounceIn 0.5s ease;
}
.status-card h1 { font-size: 1.8rem; margin-bottom: 10px; letter-spacing: -0.02em; }
.status-card p { color: var(--color-text-md); margin-bottom: 28px; font-size: 0.95rem; }

/* ── Alert ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 18px;
  display: flex; align-items: flex-start; gap: 9px;
}
.alert-error { background: rgba(254, 226, 226, 0.5); border: 1px solid #FECACA; color: var(--color-error-dk); }
.alert-success { background: rgba(209, 250, 229, 0.5); border: 1px solid #A7F3D0; color: var(--color-success-dk); }
.alert-info { background: rgba(107, 143, 191, 0.08); border: 1px solid var(--color-primary-lt); color: var(--color-primary-dk); }

/* ── Spinner overlay ── */
.spinner-overlay {
  position: fixed; inset: 0;
  background: rgba(31, 41, 51, 0.30);
  display: grid; place-items: center;
  z-index: 999;
  backdrop-filter: blur(3px);
}
.spinner-box {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.big-spinner {
  width: 48px; height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 14px;
}
.big-spinner-text { color: var(--color-text-md); font-size: 0.875rem; }

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounceIn {
  from { transform: scale(0.6); opacity: 0; }
  60%  { transform: scale(1.08); opacity: 1; }
  to   { transform: scale(1); }
}
.fade-in { animation: fadeInUp 0.4s ease; }

/* ── Markdown rendered content ── */
.md-content {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--color-text);
}
.md-content h1 {
  font-size: 1.3rem;
  font-family: 'Manrope', sans-serif;
  margin: 24px 0 12px;
  color: var(--color-text);
  border-bottom: 1.5px solid var(--color-border);
  padding-bottom: 6px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.md-content h2 {
  font-size: 1.05rem;
  font-family: 'Manrope', sans-serif;
  margin: 20px 0 10px;
  color: var(--color-primary-dk);
  font-weight: 700;
}
.md-content h3 {
  font-size: 0.95rem;
  font-family: 'Manrope', sans-serif;
  margin: 16px 0 8px;
  color: var(--color-text-md);
  font-weight: 700;
}
.md-content p { margin: 0 0 10px; }
.md-content ul, .md-content ol { padding-left: 20px; margin: 0 0 10px; }
.md-content li { margin-bottom: 4px; }
.md-content strong { font-weight: 600; color: var(--color-text); }
.md-content em { color: var(--color-text-md); }
.md-content a { color: var(--color-primary); }
.md-content a:hover { color: var(--color-primary-dk); }
.md-content hr { border: none; border-top: 1px solid var(--color-border); margin: 16px 0; }
.md-content blockquote {
  border-left: 3px solid var(--color-primary-lt);
  margin: 10px 0;
  padding: 6px 14px;
  color: var(--color-text-md);
  background: var(--color-hover);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}
.md-content code {
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: 0.8em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--color-primary-dk);
}
.md-content pre {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  overflow-x: auto;
  margin: 0 0 12px;
}
.md-content pre code {
  background: none; border: none;
  padding: 0; color: var(--color-text);
  font-size: 0.8em;
}
.md-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 14px;
  font-size: 0.83rem;
  overflow-x: auto;
  display: block;
}
.md-content th {
  background: var(--color-surface-2);
  color: var(--color-text-md);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 12px;
  text-align: left;
  border: 1px solid var(--color-border);
  white-space: nowrap;
}
.md-content td {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  vertical-align: top;
  color: var(--color-text);
}
.md-content tr:nth-child(even) td { background: var(--color-surface-2); }

/* ── Responsive ── */
@media (max-width: 768px) {
  #main-grid {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 640px) {
  .auth-card { padding: 28px 20px; }
  .hero { padding: 56px 0 44px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .plan-selector { grid-template-columns: 1fr; }
  .card-row { grid-template-columns: 1fr; }
  .drop-zone { padding: 40px 20px; }
  .navbar-inner { padding: 0 16px; }
  .result-panel { padding: 22px 18px; }
  .card { padding: 22px 18px; }
  .dashboard-main { padding: 24px 0; }
  .btn-lg { padding: 12px 24px; font-size: 0.95rem; }
}