body {
    background: linear-gradient(135deg, #e3f2fd 0%, #e8f5e9 100%);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    min-height: 100vh;
}

.hero-app-section {
    background: linear-gradient(135deg, #1976d2 0%, #43a047 100%);
    color: white;
    margin: -20px -12px 0 -12px;
    padding: 60px 12px !important;
}

.hero-shield-icon {
    font-size: 4.5rem;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

.hero-app-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: white;
}

.plus-sign-hero {
    color: #a5d6a7;
    font-weight: 900;
}

.hero-app-tagline {
    font-size: 1.8rem;
    font-weight: 500;
    opacity: 0.95;
}

.btn-hero-cta {
    background: white;
    color: #2e7d32;
    font-weight: 600;
    border-radius: 50px;
    padding: 15px 50px;
    font-size: 1.2rem;
    border: none;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-hero-cta:hover {
    background: #f1f8e9;
    color: #2e7d32;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.hero-subtext {
    font-size: 1.05rem;
    opacity: 0.9;
    margin-top: 15px;
}

@media (max-width: 768px) {
    .hero-shield-icon {
        font-size: 3.5rem;
    }
    
    .hero-app-title {
        font-size: 2.5rem;
    }
    
    .hero-app-tagline {
        font-size: 1.3rem;
    }
    
    .btn-hero-cta {
        padding: 12px 35px;
        font-size: 1.1rem;
    }
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.logo-icon {
    font-size: 3.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.brand-title {
    color: #1b5e20;
    font-weight: 800;
    font-size: 2.8rem;
    margin: 0;
    letter-spacing: -1px;
}

.plus-sign {
    color: #2e7d32;
    font-weight: 900;
}

.tagline {
    color: #1976d2;
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.onboarding-message {
    background: rgba(255, 255, 255, 0.9);
    padding: 12px 24px;
    border-radius: 30px;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.onboarding-message p {
    color: #424242;
    font-size: 1.05rem;
    font-weight: 500;
}

.card {
    border: none;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.08);
}

.btn-primary {
    background: linear-gradient(135deg, #43a047 0%, #2e7d32 100%);
    border: none;
    border-radius: 25px;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(46, 125, 50, 0.4);
    background: linear-gradient(135deg, #4caf50 0%, #388e3c 100%);
}

.btn-outline-primary {
    border-color: #43a047;
    color: #43a047;
    font-weight: 600;
    border-radius: 25px;
    transition: all 0.3s;
}

.btn-outline-primary:hover {
    background-color: #43a047;
    border-color: #43a047;
    color: white;
}

.risk-icon {
    font-size: 2.5rem;
}

.alert {
    border-radius: 16px;
    font-size: 1.05rem;
}

.alert-tip {
    background: linear-gradient(135deg, #e3f2fd 0%, #e8f5e9 100%);
    border: 2px solid #42a5f5;
    color: #1565c0;
}

.alert-fact {
    background: linear-gradient(135deg, #fff9c4 0%, #ffe0b2 100%);
    border: 2px solid #ffa726;
    color: #e65100;
}

#textInput {
    border-radius: 16px;
    border: 2px solid #81c784;
    transition: all 0.3s;
    font-size: 1.05rem;
    padding: 14px;
}

#textInput:focus {
    border-color: #43a047;
    box-shadow: 0 0 0 0.3rem rgba(67, 160, 71, 0.25);
    outline: none;
}

.form-control {
    border-radius: 16px;
    border: 2px solid #90caf9;
    transition: all 0.3s;
    font-size: 1.05rem;
    padding: 12px 16px;
}

.form-control:focus {
    border-color: #43a047;
    box-shadow: 0 0 0 0.3rem rgba(67, 160, 71, 0.25);
    outline: none;
}

.list-group-item {
    border: none;
    border-left: 4px solid #e74c3c;
    margin-bottom: 8px;
    border-radius: 10px;
    background-color: #fff3f3;
    font-size: 1.05rem;
}

.card-title {
    color: #1b5e20;
    font-weight: 700;
    font-size: 1.3rem;
}

.game-title {
    color: #1b5e20;
    font-weight: 800;
    font-size: 2.2rem;
}