/* Layout commun pour toutes les pages (dashboard, support, etc.) - pleine page, responsive */
.app-page {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

.app-header {
  width: 100%;
  background: linear-gradient(135deg, #059669 0%, #0d9488 40%, #0891b2 100%);
  padding: 1rem 1.5rem;
  box-shadow: 0 4px 20px rgba(5, 150, 105, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
}

.app-brand img {
  width: 44px;
  height: 44px;
}

.app-brand span {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.app-back {
  color: rgba(255,255,255,0.95);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background 0.2s;
}

.app-back:hover {
  background: rgba(255,255,255,0.15);
}

.app-main {
  flex: 1;
  width: 100%;
  max-width: 100%;
  padding: 2rem 1.5rem;
  box-sizing: border-box;
}

.app-inner {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.app-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 1.5rem 0;
  letter-spacing: -0.03em;
}

.app-card {
  background: #fff;
  border-radius: 16px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.app-footer {
  width: 100%;
  max-width: 100%;
  background: #1e293b;
  color: #fff;
  padding: 2rem 1.5rem;
  margin-top: 0;
  text-align: center;
  box-sizing: border-box;
}

.app-footer-content {
  width: 100%;
  max-width: 100%;
  margin: 0;
}

.app-footer-links {
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-bottom: 1.5rem;
  width: 100%;
}

.app-footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

.app-footer-links a:hover {
  color: #fff;
}

.app-footer p {
  margin: 0;
  font-size: 0.9rem;
  color: #94a3b8;
}

@media (max-width: 768px) {
  .app-header-inner {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .app-main {
    padding: 1.5rem clamp(0.75rem, 4vw, 1rem);
  }
  .app-inner {
    padding-left: 0;
    padding-right: 0;
  }
  .app-title {
    font-size: clamp(1.15rem, 4vw, 1.35rem);
  }
  .app-card {
    padding: 1.25rem 1rem;
  }
  .app-footer-links {
    flex-direction: column;
    gap: 0.75rem;
  }
}

@media (max-width: 600px) {
  .app-header-inner {
    justify-content: center;
    text-align: center;
  }
  .app-brand {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .app-header {
    padding: 0.75rem 1rem;
  }
  .app-brand span {
    font-size: clamp(1rem, 4.5vw, 1.2rem);
  }
  .app-main {
    padding: 1.25rem 0.75rem;
  }
  .app-footer {
    padding: 1.5rem 1rem;
  }
}