/* ============================================================
   PWA CORE DESIGN SYSTEM — with Offline System additions
   ============================================================ */

/* ----------------------------------------------------------
   1. BRAND VARIABLES — Change these per app
   ---------------------------------------------------------- */
:root {
   --brand-100: #B0E0E6;
   --brand-200: #87CEEB;
   --brand-300: #ADD8E6;
   --brand-dark: #4682B4;
   --brand-icon: #87CEEB;

   --bg-gradient: linear-gradient(135deg, var(--brand-100) 0%, var(--brand-200) 50%, var(--brand-300) 100%);
   --glass-bg: rgba(173, 216, 230, 0.25);
   --glass-border: rgba(176, 224, 230, 0.4);
   --primary: var(--brand-200);
   --primary-light: var(--brand-100);
}

/* ----------------------------------------------------------
   2. RESET & BASE
   ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-gradient);
  min-height: 100vh;
  color: #1d1d1f;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ----------------------------------------------------------
   3. SPACING SCALE
   ---------------------------------------------------------- */
:root {
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
}

/* ----------------------------------------------------------
   4. LAYOUT
   ---------------------------------------------------------- */
.pwa-container {
  max-width: 420px;
  margin: 0 auto;
  padding: var(--space-4);
  min-height: 100vh;
}

/* ----------------------------------------------------------
   5. GLASS CARD
   ---------------------------------------------------------- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
  transition: transform 0.3s cubic-bezier(.25,.46,.45,.94), box-shadow 0.3s;
}
.glass-card:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.2); }
.glass-card--highlight { border: 2px solid rgba(176,224,230,0.5); background: rgba(173,216,230,0.3); }

/* ----------------------------------------------------------
   6. HEADER
   ---------------------------------------------------------- */
.pwa-header { text-align: center; margin-bottom: var(--space-6); padding-top: var(--space-8); }
.pwa-header__logo { height: 50px; margin-bottom: var(--space-4); filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2)); transition: transform 0.3s; }
.pwa-header__logo:hover { transform: scale(1.05); }
.pwa-header__title { font-size: 2.5rem; font-weight: 700; color: rgba(255,255,255,0.95); text-shadow: 0 2px 4px rgba(0,0,0,0.3); margin-bottom: var(--space-2); }
.pwa-header__subtitle { font-size: 1.1rem; color: rgba(255,255,255,0.9); font-weight: 500; }

/* ----------------------------------------------------------
   7. OFFLINE STATUS BADGE — the new piece
   ---------------------------------------------------------- */
.offline-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.4s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

/* ✅ Fully cached and ready — GREEN. This is the "safe to go to village" state */
.offline-badge.badge--ready {
  background: rgba(22,163,74,0.15);
  color: #14532d;
  border: 1.5px solid rgba(22,163,74,0.4);
  backdrop-filter: blur(8px);
}

/* ⏳ Currently downloading/caching — BLUE */
.offline-badge.badge--caching {
  background: rgba(59,130,246,0.15);
  color: #1e3a5f;
  border: 1.5px solid rgba(59,130,246,0.3);
  animation: pulse 1.5s ease-in-out infinite;
}

/* 📶 Offline but cached — AMBER. Working fine but no internet */
.offline-badge.badge--offline {
  background: rgba(245,158,11,0.15);
  color: #78350f;
  border: 1.5px solid rgba(245,158,11,0.4);
}

/* ⚠️ Offline and NOT cached — RED. This is a problem */
.offline-badge.badge--error {
  background: rgba(220,38,38,0.15);
  color: #7f1d1d;
  border: 1.5px solid rgba(220,38,38,0.4);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

/* Badge position in header */
.pwa-header__status {
  margin-top: var(--space-3);
  min-height: 28px;
}

/* ----------------------------------------------------------
   8. INLINE ICONS (replaces Bootstrap Icons CDN)
   ---------------------------------------------------------- */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  flex-shrink: 0;
}
.icon svg { width: 100%; height: 100%; }
.icon-sm  { width: 0.875rem; height: 0.875rem; }
.icon-lg  { width: 1.5rem;   height: 1.5rem;   }
.icon-xl  { width: 2rem;     height: 2rem;     }

/* ----------------------------------------------------------
   9. SECTION HEADERS
   ---------------------------------------------------------- */
.section-header { margin-bottom: var(--space-4); }
.section-header h2 { font-size: 1.4rem; font-weight: 600; color: #1d1d1f; margin-bottom: var(--space-2); display: flex; align-items: center; gap: var(--space-2); }
.section-header h3 { font-size: 1.2rem; font-weight: 600; color: #1d1d1f; margin: var(--space-6) 0 var(--space-4) 0; display: flex; align-items: center; gap: var(--space-2); }
.section-header p  { font-size: 0.9rem; color: #6e6e73; }

/* ----------------------------------------------------------
   10. FORM INPUTS
   ---------------------------------------------------------- */
.input-group { margin-bottom: var(--space-4); }
.input-group label { display: block; font-size: 0.9rem; font-weight: 500; color: #6e6e73; margin-bottom: var(--space-2); }
.input-group input,
.input-group select,
.input-group textarea {
  width: 100%; padding: var(--space-3) var(--space-4);
  border: 2px solid rgba(255,255,255,0.2); border-radius: 12px;
  background: rgba(255,255,255,0.9); font-size: 1rem; font-weight: 500;
  color: #1d1d1f; transition: all 0.3s; outline: none;
  -webkit-appearance: none; appearance: none;
}
.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  border-color: var(--primary); background: #fff;
  box-shadow: 0 0 0 4px rgba(135,206,235,0.2); transform: scale(1.02);
}
.input-group input[type="color"] { height: 48px; padding: var(--space-2); cursor: pointer; }
.input-group textarea { resize: vertical; min-height: 80px; }
.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

/* ----------------------------------------------------------
   11. BUTTONS
   ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2); width: 100%; padding: var(--space-3) var(--space-4);
  border-radius: 12px; font-size: 1rem; font-weight: 600; border: none;
  cursor: pointer; transition: transform 0.3s cubic-bezier(.25,.46,.45,.94), box-shadow 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1); text-decoration: none;
}
.btn:hover  { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,0,0,0.15); }
.btn:active { transform: translateY(0); }
.btn--primary { background: linear-gradient(135deg, var(--brand-200), var(--brand-100)); color: #2c3e50; }
.btn--primary:hover { background: linear-gradient(135deg, var(--brand-100), var(--brand-200)); }
.btn--success { background: #25D366; color: #fff; }
.btn--success:hover { background: #1da851; }
.btn--outline { background: rgba(255,255,255,0.15); border: 2px solid rgba(255,255,255,0.4); color: #1d1d1f; backdrop-filter: blur(4px); }
.btn--outline:hover { background: rgba(255,255,255,0.3); }
.btn-group { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-6); }

/* ----------------------------------------------------------
   12. SUMMARY LIST
   ---------------------------------------------------------- */
.summary-list { padding: var(--space-3) 0; }
.summary-item { display: flex; justify-content: space-between; align-items: center; padding: var(--space-3) 0; border-bottom: 1px solid rgba(255,255,255,0.2); }
.summary-item:last-child { border-bottom: none; }
.summary-item__label { font-weight: 500; color: #6e6e73; font-size: 0.95rem; }
.summary-item__value { font-weight: 600; color: #1d1d1f; font-size: 0.95rem; text-align: right; }
.summary-item--highlight { background: rgba(152,216,232,0.3); border-radius: 12px; padding: var(--space-4); margin-top: var(--space-3); border-bottom: none; }
.summary-item--highlight .summary-item__value { font-size: 1.3rem; }
.summary-item--highlight .summary-item__value { font-size: 1.3rem; color: var(--brand-dark); }

/* ----------------------------------------------------------
   13. IMAGE UPLOAD
   ---------------------------------------------------------- */
.image-upload { position: relative; }
.image-upload__input { position: absolute; opacity: 0; pointer-events: none; }
.image-upload__label { display: block; cursor: pointer; border: 2px dashed rgba(255,255,255,0.4); border-radius: 16px; padding: var(--space-8); text-align: center; transition: all 0.3s; background: rgba(255,255,255,0.1); }
.image-upload__label:hover { border-color: var(--primary); background: rgba(255,255,255,0.2); }
.image-upload__icon { font-size: 2rem; display: block; margin-bottom: var(--space-2); color: #6e6e73; }
.image-upload__text { font-weight: 500; color: #6e6e73; }
.image-upload__preview { margin-top: var(--space-4); text-align: center; }
.image-upload__preview img { max-width: 100%; max-height: 200px; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); object-fit: cover; }

/* ----------------------------------------------------------
   14. BADGE / CHIP
   ---------------------------------------------------------- */
.badge { display: inline-block; padding: var(--space-1) var(--space-3); border-radius: 999px; font-size: 0.8rem; font-weight: 600; }
.badge--brand   { background: var(--brand-200); color: #2c3e50; }
.badge--success { background: #d1fae5; color: #065f46; }
.badge--warning { background: #fef3c7; color: #92400e; }
.badge--danger  { background: #fee2e2; color: #991b1b; }

/* ----------------------------------------------------------
   15. EMPTY STATE
   ---------------------------------------------------------- */
.empty-state { text-align: center; padding: var(--space-10) var(--space-6); color: #6e6e73; }
.empty-state__icon { font-size: 3rem; display: block; margin-bottom: var(--space-4); opacity: 0.5; }
.empty-state__title { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-2); }
.empty-state__text { font-size: 0.9rem; }

/* ----------------------------------------------------------
   16. TOAST
   ---------------------------------------------------------- */
.toast-container { position: fixed; bottom: var(--space-6); left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: var(--space-2); pointer-events: none; }
.toast { background: rgba(29,29,31,0.92); backdrop-filter: blur(10px); color: #fff; padding: var(--space-3) var(--space-5); border-radius: 12px; font-size: 0.9rem; font-weight: 500; white-space: nowrap; box-shadow: 0 4px 20px rgba(0,0,0,0.3); animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards; }
@keyframes toastIn  { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:translateY(0); } }
@keyframes toastOut { from { opacity:1; transform:translateY(0);    } to { opacity:0; transform:translateY(-10px); } }

/* ----------------------------------------------------------
   17. CANVAS CARD PREVIEW
   ---------------------------------------------------------- */
.card-preview { text-align: center; margin-bottom: var(--space-4); }
.card-preview canvas { max-width: 100%; border-radius: 16px; border: 2px solid rgba(255,255,255,0.3); box-shadow: 0 8px 32px rgba(0,0,0,0.2); }

/* ----------------------------------------------------------
   18. FOOTER
   ---------------------------------------------------------- */
.pwa-footer { margin-top: var(--space-8); padding: var(--space-6); background: rgba(45,55,72,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(45,55,72,0.8); border-radius: 20px; box-shadow: 0 8px 32px rgba(0,0,0,0.3); text-align: center; }
.pwa-footer__links { display: flex; align-items: center; justify-content: center; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-3); }
.pwa-footer__link { color: #e2e8f0; text-decoration: none; padding: var(--space-2) var(--space-3); border-radius: 8px; font-weight: 500; font-size: 0.9rem; display: flex; align-items: center; gap: 4px; transition: all 0.3s; }
.pwa-footer__link:hover { background: rgba(255,255,255,0.1); transform: translateY(-1px); }
.pwa-footer__link:hover { color: var(--brand-100); background: rgba(255,255,255,0.1); transform: translateY(-1px); }
.pwa-footer__link--whatsapp:hover { color: #25D366; }
.pwa-footer__sep { color: #a0aec0; }
.pwa-footer__powered { color: #f7fafc; font-size: 0.9rem; font-weight: 500; margin-bottom: var(--space-2); }
.pwa-footer__copy { color: #cbd5e0; font-size: 0.85rem; }

/* ----------------------------------------------------------
   19. UTILITIES
   ---------------------------------------------------------- */
.text-center  { text-align: center; }
.text-muted   { color: #6e6e73; }
.text-success { color: #16a34a; }
.text-danger  { color: #dc2626; }
.text-brand   {  }
.text-brand   { color: var(--brand-dark); }
.mt-1 { margin-top: var(--space-2); } .mt-2 { margin-top: var(--space-4); }
.mt-3 { margin-top: var(--space-6); } .mt-4 { margin-top: var(--space-8); }
.mb-1 { margin-bottom: var(--space-2); } .mb-2 { margin-bottom: var(--space-4); }
.mb-3 { margin-bottom: var(--space-6); }
.hidden { display: none !important; }

/* ----------------------------------------------------------
   20. RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 400px) {
  .pwa-container { padding: var(--space-3); }
  .glass-card { padding: var(--space-4); border-radius: 16px; }
  .pwa-header__title { font-size: 2rem; }
  .input-row { grid-template-columns: 1fr; gap: var(--space-3); }
  .pwa-header__logo { height: 40px; }
  .pwa-footer__links { flex-direction: column; gap: var(--space-2); }
  .pwa-footer__sep { display: none; }
}