/* ── Ma Déclaration Assmat 2026 ── */
:root {
  --da-primary: #1e40af;
  --da-primary-light: #dbeafe;
  --da-primary-dark: #1e3a8a;
  --da-success: #16a34a;
  --da-success-light: #f0fdf4;
  --da-danger: #dc2626;
  --da-danger-light: #fef2f2;
  --da-warning: #f59e0b;
  --da-warning-light: #fffbeb;
  --da-bg: #fafafa;
  --da-card: #ffffff;
  --da-text: #1a1a1a;
  --da-text-muted: #6b7280;
  --da-border: #e5e7eb;
  --da-radius: 12px;
  --da-shadow: 0 1px 3px rgba(0,0,0,0.08);
  --da-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--da-font);
  background: var(--da-bg);
  color: var(--da-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom, 0);
  overflow-x: hidden;
}

/* ── Header ── */
.da-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--da-primary);
  color: white;
  padding: 0 16px;
  height: 56px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.da-header-back { background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; padding: 8px; min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; }
.da-header-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; }
.da-header-logo span:first-child { font-size: 1.5rem; }
.da-header-title { font-weight: 600; font-size: 1.05rem; }
.hidden { display: none !important; }

/* ── Nav bottom ── */
.da-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--da-card);
  border-top: 1px solid var(--da-border);
  display: flex;
  padding-bottom: env(safe-area-inset-bottom, 0);
  z-index: 100;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
}
.da-nav-item {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 8px 4px;
  font-size: 0.65rem; font-weight: 500;
  color: var(--da-text-muted);
  cursor: pointer;
  text-decoration: none;
  min-height: 52px;
  transition: color 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.da-nav-item .nav-icon { font-size: 1.3rem; margin-bottom: 2px; }
.da-nav-item.active { color: var(--da-primary); font-weight: 700; }

/* ── Screens ── */
.da-screen { display: none; padding: 16px; padding-bottom: 100px; max-width: 640px; margin: 0 auto; animation: fadeIn 0.2s ease; }
.da-screen.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ── Cards ── */
.da-card {
  background: var(--da-card);
  border-radius: var(--da-radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--da-shadow);
  border: 1px solid var(--da-border);
}
.da-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; color: var(--da-text); }

/* ── Forms ── */
.da-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--da-text); }
.da-input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--da-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--da-font);
  transition: border-color 0.15s;
  -webkit-appearance: none;
}
.da-input:focus { outline: none; border-color: var(--da-primary); box-shadow: 0 0 0 3px rgba(30,64,175,0.1); }

.da-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px;
  border: none; border-radius: 8px;
  font-size: 0.95rem; font-weight: 700;
  font-family: var(--da-font);
  cursor: pointer;
  min-height: 48px;
  transition: transform 0.1s, box-shadow 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.da-btn:active { transform: scale(0.97); }
.da-btn-primary { background: var(--da-primary); color: white; width: 100%; }
.da-btn-primary:hover { box-shadow: 0 4px 12px rgba(30,64,175,0.3); }
.da-btn-success { background: var(--da-success); color: white; width: 100%; }
.da-btn-danger { background: var(--da-danger); color: white; }
.da-btn-outline { background: transparent; color: var(--da-primary); border: 2px solid var(--da-primary); }
.da-btn-sm { padding: 8px 16px; font-size: 0.85rem; min-height: 40px; }

/* ── Result boxes ── */
.da-result {
  background: var(--da-primary-light);
  border-radius: var(--da-radius);
  padding: 20px;
  text-align: center;
  margin: 16px 0;
}
.da-result-amount { font-size: clamp(1.8rem, 6vw, 2.4rem); font-weight: 900; color: var(--da-primary-dark); }
.da-result-label { font-size: 0.85rem; color: var(--da-text-muted); margin-top: 4px; }

.da-result-success { background: var(--da-success-light); }
.da-result-success .da-result-amount { color: var(--da-success); }

.da-result-danger { background: var(--da-danger-light); }
.da-result-danger .da-result-amount { color: var(--da-danger); }

/* ── Table ── */
.da-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin: 12px 0; }
.da-table th { text-align: left; padding: 8px 10px; background: var(--da-primary-light); font-weight: 600; font-size: 0.78rem; color: var(--da-primary-dark); }
.da-table td { padding: 8px 10px; border-bottom: 1px solid var(--da-border); }
.da-table tr:last-child td { border-bottom: none; }
.da-table .total td { font-weight: 700; background: #f9fafb; }

/* ── Enfant cards ── */
.da-enfant-card {
  background: var(--da-card);
  border: 2px solid var(--da-border);
  border-radius: var(--da-radius);
  padding: 16px;
  margin-bottom: 12px;
  position: relative;
}
.da-enfant-card .da-enfant-name { font-weight: 700; font-size: 1rem; margin-bottom: 8px; color: var(--da-primary); }
.da-enfant-remove { position: absolute; top: 12px; right: 12px; background: var(--da-danger-light); border: none; color: var(--da-danger); width: 32px; height: 32px; border-radius: 50%; cursor: pointer; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; }
.da-enfant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ── Premium wall ── */
.da-premium-wall {
  text-align: center;
  padding: 32px 20px;
}
.da-premium-wall .lock-icon { font-size: 3rem; margin-bottom: 16px; }
.da-premium-wall h3 { font-size: 1.2rem; margin-bottom: 8px; }
.da-premium-wall p { color: var(--da-text-muted); margin-bottom: 20px; font-size: 0.9rem; }

.da-premium-benefits {
  list-style: none; text-align: left;
  max-width: 320px; margin: 0 auto 24px;
}
.da-premium-benefits li {
  padding: 8px 0;
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 8px;
}
.da-premium-benefits li::before { content: '\2705'; font-size: 1rem; }

.da-premium-cta {
  display: block;
  max-width: 300px;
  margin: 0 auto 16px;
  padding: 16px 24px;
  background: var(--da-primary);
  color: white;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(30,64,175,0.3);
  transition: transform 0.1s;
}
.da-premium-cta:active { transform: scale(0.97); }
.da-premium-cta .price { font-size: 1.4rem; margin-bottom: 2px; }
.da-premium-cta .period { font-size: 0.78rem; opacity: 0.9; }

.da-premium-guarantee {
  font-size: 0.75rem;
  color: var(--da-text-muted);
  margin-top: 16px;
}

.da-license-form { margin-top: 24px; }
.da-license-form p { font-size: 0.82rem; margin-bottom: 8px; }
.da-license-row { display: flex; gap: 8px; max-width: 320px; margin: 0 auto; }
.da-license-row input { flex: 1; padding: 10px; border: 2px solid var(--da-border); border-radius: 8px; font-size: 0.9rem; }
.da-license-row button { padding: 10px 16px; background: var(--da-primary); color: white; border: none; border-radius: 8px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.da-license-msg { font-size: 0.82rem; margin-top: 8px; }
.da-license-msg.success { color: var(--da-success); }
.da-license-msg.error { color: var(--da-danger); }

/* ── Alerts ── */
.da-alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin: 12px 0;
  display: flex; align-items: flex-start; gap: 8px;
}
.da-alert-warning { background: var(--da-warning-light); color: #92400e; }
.da-alert-success { background: var(--da-success-light); color: #166534; }
.da-alert-danger { background: var(--da-danger-light); color: #991b1b; }

/* ── Chart ── */
.da-chart-container { max-width: 400px; margin: 16px auto; }

/* ── Responsive ── */
@media (max-width: 420px) {
  .da-enfant-grid { grid-template-columns: 1fr; }
  .da-card { padding: 16px; }
}

@media (min-width: 768px) {
  .da-screen { padding: 24px; padding-bottom: 100px; }
  .da-card { padding: 24px; }
  .da-header { padding: 0 24px; }
}

/* ── Animations upgrade ── */
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
.da-screen.active { animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.da-card { transition: transform 0.15s, box-shadow 0.15s; }
.da-nav-item.active .nav-icon { transform: scale(1.15); transition: transform 0.2s; }
.da-result-amount { transition: color 0.3s; }

/* ── Tooltips ── */
.da-tooltip { cursor: help; color: var(--da-primary); font-size: 0.85rem; margin-left: 4px; position: relative; display: inline-block; }
.da-tooltip::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 4px); left: 50%; transform: translateX(-50%); background: #1a1a1a; color: white; padding: 8px 12px; border-radius: 8px; font-size: 0.78rem; max-width: 260px; white-space: normal; opacity: 0; pointer-events: none; transition: opacity 0.15s; z-index: 10; line-height: 1.4; }
.da-tooltip:hover::after, .da-tooltip:focus::after, .da-tooltip:active::after { opacity: 1; pointer-events: auto; }
@media (max-width: 420px) {
  .da-tooltip::after { left: 0; transform: none; max-width: 220px; }
}

/* ── Guide steps ── */
.da-guide-step { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--da-border); align-items: flex-start; }
.da-guide-step:last-child { border-bottom: none; }
.da-guide-num { width: 28px; height: 28px; border-radius: 50%; background: var(--da-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; }

/* ── Onboarding ── */
.da-onboarding { position: fixed; inset: 0; z-index: 300; background: white; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 32px; text-align: center; }
.da-onboarding.hidden { display: none; }
.da-onboarding h2 { font-size: 1.5rem; color: var(--da-primary); margin-bottom: 16px; }
.da-onboarding .da-steps { text-align: left; max-width: 320px; margin: 0 auto 24px; }
.da-onboarding .da-step { display: flex; align-items: center; gap: 12px; padding: 12px 0; font-size: 0.95rem; }
.da-onboarding .da-step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--da-primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.da-onboarding .da-count-group { display: flex; gap: 8px; justify-content: center; margin-bottom: 24px; }
.da-onboarding .da-count-btn { width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--da-border); background: white; font-size: 1.1rem; font-weight: 700; cursor: pointer; transition: all 0.15s; }
.da-onboarding .da-count-btn:hover, .da-onboarding input:checked + .da-count-btn { border-color: var(--da-primary); background: var(--da-primary-light); color: var(--da-primary); }

/* ── Print ── */
@media print {
  body { background: white !important; color: black; font-size: 11pt; padding: 0; margin: 0; }
  .da-header, .da-nav, .da-btn, .da-drawer, .da-drawer-overlay,
  .da-onboarding, .da-alert-warning, #header-back, #header-logo { display: none !important; }
  .da-screen { display: none !important; padding: 0 !important; max-width: none !important; animation: none !important; }
  #screen-export { display: block !important; padding: 0 !important; }
  .da-card { box-shadow: none !important; border: 1px solid #ccc; break-inside: avoid; margin-bottom: 12px; }
  #export-content { border: 2px solid #1e40af !important; }
  #export-content::before {
    content: "Ma Déclaration Assmat 2026 — macalculatriceenligne.com";
    display: block; text-align: center; font-size: 14pt; font-weight: 700;
    color: #1e40af; margin-bottom: 16px; padding-bottom: 12px;
    border-bottom: 2px solid #1e40af;
  }
  #export-content::after {
    content: "Ce récapitulatif est fourni à titre indicatif. En cas de doute, consultez votre centre des impôts.";
    display: block; text-align: center; font-size: 8pt; color: #666;
    margin-top: 16px; padding-top: 12px; border-top: 1px solid #ccc;
  }
  .da-table th { background: #f0f0f0 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .da-result { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  @page { margin: 20mm 15mm; }
}