/**
 * ═══════════════════════════════════════════════════════
 *  PWA Install UI v3.0
 *  Modern centered card with logo, features, animations
 * ═══════════════════════════════════════════════════════
 */

/* ========== OVERLAY ========== */
#pwa-install-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}
#pwa-install-overlay.show { opacity: 1; }

/* ========== CARD ========== */
.pwa-install-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    max-width: 400px;
    width: 100%;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.85) translateY(30px);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.3s;
    opacity: 0;
}
#pwa-install-overlay.show .pwa-install-card {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* ========== CLOSE BUTTON ========== */
.pwa-install-close {
    position: absolute;
    top: 14px;
    right: 18px;
    background: none;
    border: none;
    font-size: 2rem;
    color: #94a3b8;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s, transform 0.2s;
    z-index: 2;
}
.pwa-install-close:hover { color: #1e293b; transform: rotate(90deg); }

/* ========== HEADER (Logo + Name) ========== */
.pwa-install-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid #f1f5f9;
}

.pwa-banner-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    object-fit: contain;
    background: #f8fafc;
    padding: 4px;
    border: 2px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    flex-shrink: 0;
}
.pwa-banner-logo-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}
.pwa-install-info h3 {
    margin: 0 0 2px;
    font-size: 1.2rem;
    font-weight: 800;
    color: #1e293b;
}
.pwa-install-url {
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
}

/* ========== BODY ========== */
.pwa-install-body { margin-bottom: 22px; }
.pwa-install-desc {
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.6;
    margin: 0 0 18px;
}

/* ========== FEATURES ========== */
.pwa-install-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.pwa-feature {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: #f1f5f9;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #334155;
    transition: background 0.2s;
}
.pwa-feature i {
    color: #4f46e5;
    font-size: 0.9rem;
}
.pwa-feature:hover { background: #e2e8f0; }

/* ========== ACTIONS ========== */
.pwa-install-actions {
    display: flex;
    gap: 12px;
}
.pwa-install-btn-primary {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary, #9e0000), var(--secondary, #002147));
    color: white;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.pwa-install-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}
.pwa-install-btn-primary:active { transform: translateY(0); }

.pwa-install-btn-secondary {
    padding: 15px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 14px;
    background: white;
    color: #64748b;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}
.pwa-install-btn-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #334155;
}

/* ========== iOS HINT ========== */
.pwa-ios-hint {
    margin: 16px 0 0;
    padding: 12px;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 10px;
    font-size: 0.82rem;
    color: #0369a1;
    text-align: center;
    font-weight: 500;
}
.pwa-ios-hint i { margin-right: 6px; }

/* ========== SUCCESS TOAST ========== */
.pwa-success-toast {
    position: fixed;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
    z-index: 10001;
    transition: top 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 10px;
}
.pwa-success-toast.show { top: 24px; }
.pwa-success-toast i { font-size: 1.2rem; }

/* ========== RESPONSIVE ========== */
@media (max-width: 480px) {
    .pwa-install-card { padding: 24px 20px; border-radius: 20px; }
    .pwa-install-header { gap: 12px; }
    .pwa-banner-logo, .pwa-banner-logo-placeholder { width: 48px; height: 48px; }
    .pwa-install-info h3 { font-size: 1.05rem; }
    .pwa-install-actions { flex-direction: column; }
    .pwa-install-btn-primary { padding: 14px; }
    .pwa-install-features { gap: 8px; }
    .pwa-feature { padding: 6px 10px; font-size: 0.75rem; }
}

/* ========== HIDE WHEN INSTALLED ========== */
@media (display-mode: standalone) {
    #pwa-install-overlay { display: none !important; }
}

/* ========== HIDE ON DESKTOP (optional — remove if you want desktop too) ========== */
/* Uncomment below to show only on mobile:
@media (min-width: 768px) {
    #pwa-install-overlay { display: none !important; }
}
*/

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
    .pwa-install-card { transition: none; transform: none; }
    #pwa-install-overlay { transition: none; }
    .pwa-success-toast { transition: none; }
}

/* ========== DARK MODE ========== */
@media (prefers-color-scheme: dark) {
    .pwa-install-card { background: #1e293b; }
    .pwa-install-info h3 { color: #f1f5f9; }
    .pwa-install-url { color: #94a3b8; }
    .pwa-install-desc { color: #cbd5e1; }
    .pwa-feature { background: #334155; color: #e2e8f0; }
    .pwa-install-btn-secondary { background: #334155; border-color: #475569; color: #e2e8f0; }
    .pwa-install-close { color: #64748b; }
    .pwa-install-close:hover { color: #f1f5f9; }
    .pwa-install-header { border-bottom-color: #334155; }
}
.dark-mode .pwa-install-card { background: #1e293b; }
.dark-mode .pwa-install-info h3 { color: #f1f5f9; }
.dark-mode .pwa-install-url { color: #94a3b8; }
.dark-mode .pwa-install-desc { color: #cbd5e1; }
.dark-mode .pwa-feature { background: #334155; color: #e2e8f0; }
.dark-mode .pwa-install-btn-secondary { background: #334155; border-color: #475569; color: #e2e8f0; }
.dark-mode .pwa-install-header { border-bottom-color: #334155; }