/* TomboLoto - Style premium, violet foncé, or prononcé, texte blanc */
/* Palette : Violet foncé #3A1678, Violet saturé #4B1FA6, Or #FFD700, Blanc #fff, Surface sombre #23232a, Fond #18181b */

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

:root {
  --primary: #3A1678;
  --primary-light: #4B1FA6;
  --gold: #FFD700;
  --surface: #23232a;
  --background: #18181b;
  --text: #fff;
  --text-invert: #18181b;
  --border: #2F2F2F;
  --radius: 16px;
  --shadow: 0 2px 16px rgba(58,22,120,0.10);
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
}

html, body {
  background: var(--background);
  color: var(--text);
  font-family: 'Inter', Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  scroll-behavior: smooth;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Espacement et style pour le menu */
.main-header {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text);
  padding: 0 0 1.5rem 0;
  box-shadow: var(--shadow);
  border-radius: 0 0 var(--radius) var(--radius);
  position: relative;
  overflow: hidden;
  margin-bottom: 1rem; /* Espacement avec le bloc du dessous */
  border-bottom: 2px solid var(--gold); /* Ligne dorée à la base */
}

}
.logo {
  font-weight: bold;
  font-size: 2rem;
  color: var(--gold);
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.crown {
  font-size: 1.5em;
  margin-right: 4px;
  filter: drop-shadow(0 2px 4px #FFD70088);
}
.badge {
  background: var(--gold);
  color: var(--text-invert);
  border-radius: 8px;
  padding: 2px 8px;
  margin-left: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* --- NAVIGATION PREMIUM EN BOUTONS --- */
nav {
  display: inline-block;
  margin-left: 2rem;
}
nav a,
nav .nav-btn {
  display: inline-block;
  background: var(--primary);
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.55em 1.4em;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 0 0.5rem;
  transition: 
    background var(--transition),
    color var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    transform var(--transition);
  text-align: center;
  cursor: pointer;
  outline: none;
  position: relative;
  letter-spacing: 0.5px;
  text-decoration: none;
}
nav a.admin,
nav .nav-btn.admin {
  background: var(--gold);
  color: var(--primary);
  border-color: var(--gold);
}
nav a.active,
nav .nav-btn.active,
nav a[aria-current="page"],
nav .nav-btn[aria-current="page"] {
  background: linear-gradient(90deg, var(--gold) 0%, #FFC300 100%);
  color: var(--primary);
  border-color: var(--gold);
  box-shadow: 0 4px 24px #FFD70055;
}
nav a:hover,
nav .nav-btn:hover,
nav a:focus,
nav .nav-btn:focus {
  background: var(--gold);
  color: var(--primary);
  border-color: var(--gold);
  box-shadow: 0 4px 24px #FFD70055, 0 0 0 3px #FFD70044;
  transform: translateY(-2px) scale(1.04);
  text-shadow: 0 1px 4px #fff8;
}
nav a:active,
nav .nav-btn:active {
  transform: scale(0.98);
}
/* --- FIN NAVIGATION PREMIUM EN BOUTONS --- */

.user-info {
  float: right;
  margin-top: 1.2rem;
}
.user-info .tickets {
  background: var(--gold);
  color: var(--primary);
  border-radius: 8px;
  padding: 2px 8px;
  margin: 0 8px;
  font-weight: 600;
  font-size: 1rem;
}

/* Style pour le bloc du dessous */
.hero {
  text-align: center;
  padding: 3rem 1rem 2rem 1rem;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text);
  border-radius: var(--radius); /* Arrondis tout autour */
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  animation: fadeInDown 1s cubic-bezier(.4,0,.2,1);
  border: 2px solid var(--gold); /* Bordure dorée tout autour */
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-40px);}
  to { opacity: 1; transform: translateY(0);}
}
.hero .highlight {
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px #FFD70044;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 2rem;
}
.stats div {
  background: var(--surface);
  color: var(--gold);
  border-radius: var(--radius);
  padding: 1rem 2rem;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  min-width: 120px;
  font-weight: 600;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stats div:hover, .stats div:focus {
  transform: scale(1.04);
  box-shadow: 0 4px 24px #FFD70033;
}

.claim-section {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}
.claim-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  max-width: 600px;
  width: 100%;
  animation: fadeInUp 1s cubic-bezier(.4,0,.2,1);
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px);}
  to { opacity: 1; transform: translateY(0);}
}
.claim-card h2 {
  margin-top: 0;
  color: var(--gold);
  font-size: 2rem;
}
.claim-options {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}
.claim-option {
  background: #23232a;
  border-radius: 12px;
  padding: 1rem;
  flex: 1 1 150px;
  min-width: 150px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
  box-shadow: 0 2px 8px #3A167811;
  color: var(--text);
}
.claim-option:hover, .claim-option:focus-within {
  box-shadow: 0 4px 24px #FFD70033;
  transform: translateY(-2px) scale(1.03);
}
.claim-option input[type="radio"] {
  margin-right: 8px;
  accent-color: var(--primary);
}
.claim-option input[type="text"] {
  margin-top: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  width: 100%;
  font-size: 1rem;
  background: #23232a;
  color: var(--text);
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text);
  border: none;
  border-radius: 12px;
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow);
  outline: none;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--primary-light);
  box-shadow: 0 4px 24px #FFD70033;
  transform: scale(1.03);
}

.search-section {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}
.search-form {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: 0 2px 8px #3A167811;
  padding: 1rem 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
}
.search-form input[type="search"] {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  width: 250px;
  background: #23232a;
  color: var(--text);
}
.search-form select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  background: #23232a;
  color: var(--text);
}
.search-form button {
  background: var(--gold);
  color: var(--text-invert);
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1.2rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.search-form button:hover, .search-form button:focus {
  background: #FFC300;
  transform: scale(1.04);
}

.featured-tombolas {
  max-width: 1200px;
  margin: 2rem auto;
}
.featured-tombolas h2 {
  color: var(--gold);
  margin-bottom: 1.5rem;
  font-size: 2rem;
}
.tombola-list {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.tombola-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  width: 350px;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.tombola-card:hover, .tombola-card:focus-within {
  box-shadow: 0 8px 32px #FFD70033;
  transform: scale(1.03);
}
.tombola-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid #23232a;
  transition: filter var(--transition);
}
.tombola-card:hover img, .tombola-card:focus-within img {
  filter: brightness(1.08) saturate(1.2);
}
.tombola-info {
  padding: 1rem 1.2rem;
}
.tombola-info h3 {
  margin: 0 0 0.5rem 0;
  color: var(--gold);
  font-size: 1.3rem;
}
.tombola-info p {
  margin: 0 0 1rem 0;
  color: var(--text);
  font-size: 1rem;
}
.tombola-meta {
  font-size: 0.95rem;
  color: var(--gold);
  display: flex;
  gap: 1.2rem;
  margin-bottom: 0.5rem;
}
.progress-bar {
  background: #23232a;
  border-radius: 8px;
  height: 8px;
  width: 100%;
  margin-bottom: 0.5rem;
  overflow: hidden;
}
.progress-bar > div {
  background: linear-gradient(90deg, var(--primary) 0%, var(--gold) 100%);
  height: 100%;
  border-radius: 8px;
  transition: width 0.5s cubic-bezier(.4,0,.2,1);
}
.tickets-needed {
  background: var(--gold);
  color: var(--text-invert);
  border-radius: 8px;
  padding: 2px 8px;
  font-weight: 600;
  font-size: 0.95rem;
}

.secure-section {
  display: flex;
  justify-content: center;
  margin: 3rem 0;
}
.secure-card {
  background: linear-gradient(135deg, #23232a 60%, var(--gold) 100%);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem;
  max-width: 700px;
  width: 100%;
  text-align: center;
  animation: fadeInUp 1s cubic-bezier(.4,0,.2,1);
  color: var(--text);
}
.secure-icon {
  font-size: 2.5rem;
  color: var(--primary-light);
  margin-bottom: 1rem;
  filter: drop-shadow(0 2px 8px #4B1FA644);
}
.secure-card h2 {
  color: var(--gold);
  font-size: 2rem;
}
.secure-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
}
.secure-features .dot {
  display: inline-block;
  width: 10px; height: 10px;
  background: #22C55E;
  border-radius: 50%;
  margin-right: 8px;
}
.btn-accent {
  background: linear-gradient(90deg, var(--gold) 0%, #FFC300 100%);
  color: var(--text-invert);
  border: none;
  border-radius: 12px;
  padding: 0.8rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: 0 2px 8px rgba(255,214,0,0.08);
  text-decoration: none;
  display: inline-block;
  margin-top: 1rem;
}
.btn-accent:hover, .btn-accent:focus {
  background: #FFC300;
  box-shadow: 0 4px 24px #FFD70033;
  transform: scale(1.03);
}

.main-footer {
  background: var(--primary);
  color: var(--text);
  padding: 2rem 0 1rem 0;
  margin-top: 3rem;
  border-radius: var(--radius) var(--radius) 0 0;
  position: relative;
  border-top: 2px solid var(--gold); /* Ligne dorée au-dessus */
}

.footer-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  align-items: flex-start; /* Assure l'alignement en haut */
}

.footer-brand .logo {
  color: var(--gold);
  font-size: 1.2rem;
}

.footer-brand, .footer-links, .footer-legal, .footer-contact {
  min-width: 180px;
  flex: 1;
}

.socials a {
  display: inline-block;
  background: var(--primary-light);
  color: var(--text);
  border-radius: 50%;
  width: 32px; height: 32px;
  text-align: center; line-height: 32px;
  margin-right: 8px;
  font-size: 1.1rem;
  transition: background var(--transition), color var(--transition);
}
.socials a:hover, .socials a:focus {
  background: var(--gold);
  color: var(--text-invert);
}


.footer-bottom {
  text-align: center;
  color: #e0e0e0;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.footer-links a, .footer-legal a {
  display: block;
  color: var(--text);
  margin: 0.2rem 0;
  font-size: 0.98rem;
  transition: color var(--transition);
}
.footer-links a:hover, .footer-legal a:hover,
.footer-links a:focus, .footer-legal a:focus {
  color: var(--gold);
}
.footer-bottom {
  text-align: center;
  color: #e0e0e0;
  margin-top: 1rem;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .stats { flex-direction: column; gap: 1rem; }
  .tombola-list { flex-direction: column; gap: 2rem; }
  .footer-flex { flex-direction: column; gap: 1.5rem; }
  .container { padding: 0 1rem; }
  .main-header { padding-bottom: 1rem; }
  .hero { padding: 2rem 0.5rem 1.5rem 0.5rem; }
  .claim-card, .secure-card { padding: 1.2rem; }
  nav a, nav .nav-btn { width: 100%; text-align: left; font-size: 1rem; padding: 0.7em 1em; margin: 0.3rem 0; }
}


/* --- HEADER PREMIUM FLEX --- */
.main-header {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text);
  padding: 0;
  box-shadow: var(--shadow);
  border-radius: 0 0 var(--radius) var(--radius);
  position: relative;
  overflow: hidden;
}
.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  min-height: 88px;
  padding: 0 2rem;
}
.logo {
  font-weight: bold;
  font-size: 2rem;
  color: var(--gold);
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-right: 2.5rem;
  flex-shrink: 0;
}
.crown {
  font-size: 1.5em;
  margin-right: 4px;
  filter: drop-shadow(0 2px 4px #FFD70088);
}
.badge {
  background: var(--gold);
  color: var(--text-invert);
  border-radius: 8px;
  padding: 2px 8px;
  margin-left: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.header-nav-group {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1 1 auto;
  min-width: 0;
}
nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-left: 0;
}
nav a,
nav .nav-btn {
  display: inline-block;
  background: var(--primary);
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.55em 1.4em;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 0 0.5rem;
  transition: 
    background var(--transition),
    color var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    transform var(--transition);
  text-align: center;
  cursor: pointer;
  outline: none;
  position: relative;
  letter-spacing: 0.5px;
  text-decoration: none;
}
nav a.admin,
nav .nav-btn.admin {
  background: var(--gold);
  color: var(--primary);
  border-color: var(--gold);
}
nav a.active,
nav .nav-btn.active,
nav a[aria-current="page"],
nav .nav-btn[aria-current="page"] {
  background: linear-gradient(90deg, var(--gold) 0%, #FFC300 100%);
  color: var(--primary);
  border-color: var(--gold);
  box-shadow: 0 4px 24px #FFD70055;
}
nav a:hover,
nav .nav-btn:hover,
nav a:focus,
nav .nav-btn:focus {
  background: var(--gold);
  color: var(--primary);
  border-color: var(--gold);
  box-shadow: 0 4px 24px #FFD70055, 0 0 0 3px #FFD70044;
  transform: translateY(-2px) scale(1.04);
  text-shadow: 0 1px 4px #fff8;
}
nav a:active,
nav .nav-btn:active {
  transform: scale(0.98);
}

/* --- BOUTONS CONNEXION/INSCRIPTION PREMIUM --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 2rem;
}
.header-actions .nav-btn,
.header-actions .btn-premium {
  background: var(--primary);
  color: var(--gold);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.55em 1.4em;
  box-shadow: var(--shadow);
  transition: 
    background var(--transition),
    color var(--transition),
    box-shadow var(--transition),
    border-color var(--transition),
    transform var(--transition);
  cursor: pointer;
  text-decoration: none;
  outline: none;
  letter-spacing: 0.5px;
  margin: 0;
  display: inline-block;
}
.header-actions .btn-premium.inscription {
  background: linear-gradient(90deg, var(--gold) 0%, #FFC300 100%);
  color: var(--primary);
  border-color: var(--gold);
}
.header-actions .nav-btn:hover,
.header-actions .btn-premium:hover,
.header-actions .nav-btn:focus,
.header-actions .btn-premium:focus {
  background: var(--gold);
  color: var(--primary);
  border-color: var(--gold);
  box-shadow: 0 4px 24px #FFD70055, 0 0 0 3px #FFD70044;
  transform: translateY(-2px) scale(1.04);
  text-shadow: 0 1px 4px #fff8;
}
.header-actions .btn-premium:active {
  transform: scale(0.98);
}

/* --- Responsive header --- */
@media (max-width: 900px) {
  .header-flex {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem 0.5rem;
    min-height: unset;
  }
  .logo {
    margin-right: 0;
    justify-content: flex-start;
  }
  .header-nav-group {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  nav {
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-start;
    margin-left: 0;
  }
  .header-actions {
    margin-left: 0;
    justify-content: flex-start;
    gap: 0.5rem;
  }
}

.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2.5rem;
  min-height: 88px;
  padding: 0 2rem;
  position: relative; /* clé pour le centrage absolu */
}

.header-nav-group {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  height: fit-content;
  width: fit-content;
  max-width: calc(100% - 520px); /* 2×(logo+actions) ~ à ajuster selon largeur max des blocs verts */
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  z-index: 2;
}

.header-flex > .logo {
  position: relative;
  z-index: 3;
}

.header-flex > .header-actions {
  position: relative;
  z-index: 3;
}

/* Pour éviter le chevauchement sur petits écrans */
@media (max-width: 1100px) {
  .header-nav-group {
    max-width: 100%;
    position: static;
    margin: 0 auto;
    width: 100%;
    justify-content: center;
  }
  .header-flex {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem 0.5rem;
    min-height: unset;
  }
}



/* TomboLoto Premium Registration Styles */
body {
  background: #171717;
  color: #fff;
  font-family: 'Inter', Arial, sans-serif;
  margin: 0;
  padding: 0;
}
.registration-section {
  background: #262626;
  border-radius: 24px;
  max-width: 480px;
  margin: 48px auto 0 auto;
  padding: 40px 32px 32px 32px;
  box-shadow: 0 8px 32px #0008;
  animation: fadeInUp 0.7s cubic-bezier(.23,1.01,.32,1) both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px);}
  to { opacity: 1; transform: translateY(0);}
}
h2 {
  color: #9E7FFF;
  font-size: 2.2rem;
  margin-bottom: 24px;
  font-family: 'Playfair Display', serif;
  letter-spacing: 1px;
}
.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}
label {
  font-size: 1.1rem;
  color: #A3A3A3;
  margin-bottom: 6px;
  font-weight: 500;
}
input[type="text"], input[type="email"], input[type="password"], input[type="tel"], select {
  background: #171717;
  color: #fff;
  border: 2px solid #2F2F2F;
  border-radius: 16px;
  padding: 12px 16px;
  font-size: 1.1rem;
  transition: border 0.2s, box-shadow 0.2s;
  outline: none;
}
input:focus, select:focus {
  border-color: #9E7FFF;
  box-shadow: 0 0 0 2px #9E7FFF55;
}
input[type="checkbox"] {
  accent-color: #9E7FFF;
  width: 20px;
  height: 20px;
  margin-right: 8px;
}
.btn-primary {
  background: linear-gradient(90deg,#9E7FFF,#f472b6);
  color: #fff;
  border: none;
  border-radius: 16px;
  padding: 14px 0;
  font-size: 1.2rem;
  font-weight: bold;
  width: 100%;
  margin-top: 12px;
  box-shadow: 0 2px 8px #9E7FFF44;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(90deg,#f472b6,#9E7FFF);
  transform: scale(1.03);
  outline: none;
}
.alert {
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 18px;
  font-size: 1.1rem;
  font-weight: 500;
}
.alert-success {
  background: #10b98122;
  color: #10b981;
  border: 1.5px solid #10b981;
}
.alert-error {
  background: #ef444422;
  color: #ef4444;
  border: 1.5px solid #ef4444;
}
a {
  color: #38bdf8;
  text-decoration: underline;
  transition: color 0.2s;
}
a:hover {
  color: #f472b6;
}
@media (max-width: 600px) {
  .registration-section {
    padding: 24px 8px;
    border-radius: 12px;
  }
  h2 { font-size: 1.4rem; }
}


/* --- BOUTON PWA INSTALL PREMIUM --- */
.btn-pwa-install {
  display: none;
  margin: 0 auto 1.5rem auto;
  background: linear-gradient(90deg, #9E7FFF 0%, #f472b6 100%);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 1.1rem 2.2rem;
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 4px 24px #9E7FFF33, 0 1.5px 0 #FFD700 inset;
  cursor: pointer;
  outline: none;
  letter-spacing: 0.5px;
  transition: 
    background 0.2s cubic-bezier(.4,0,.2,1),
    box-shadow 0.2s cubic-bezier(.4,0,.2,1),
    transform 0.15s cubic-bezier(.4,0,.2,1),
    opacity 0.3s;
  opacity: 0;
  pointer-events: none;
  position: relative;
  z-index: 20;
  animation: pwaInstallFadeIn 0.7s cubic-bezier(.23,1.01,.32,1) both;
}
.btn-pwa-install.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.btn-pwa-install:focus {
  box-shadow: 0 0 0 3px #38bdf8cc, 0 4px 24px #9E7FFF33;
}
.btn-pwa-install:active {
  transform: scale(0.97);
}
.btn-pwa-install.installed {
  background: linear-gradient(90deg, #10b981 0%, #38bdf8 100%);
  color: #fff;
  box-shadow: 0 4px 24px #10b98133;
  cursor: default;
}
@keyframes pwaInstallFadeIn {
  from { opacity: 0; transform: translateY(-24px);}
  to { opacity: 1; transform: translateY(0);}
}
@media (max-width: 600px) {
  .btn-pwa-install {
    font-size: 1.05rem;
    padding: 0.9rem 1.2rem;
    border-radius: 14px;
  }
}