/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    text-align: center;
}

.logo {
    color: white;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 5px;
}

.tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

/* Main Content */
.main {
    padding: 60px 0;
}

.landing-section {
    text-align: center;
    color: white;
}

.landing-section h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.3rem;
    margin-bottom: 60px;
    opacity: 0.9;
}

/* Benefits Grid */
.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.benefit-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Auth Section */
.auth-section {
    margin: 60px 0;
    display: flex;
    justify-content: center;
}

/* Dashboard */
.dashboard-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    color: #333;
    margin-top: 40px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.settings-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.settings-card h3 {
    margin-bottom: 15px;
    color: #4a5568;
}

/* Form Inputs */
.select-input, .date-input, .email-input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.select-input:focus, .date-input:focus, .email-input:focus {
    outline: none;
    border-color: #667eea;
}

.date-inputs {
    display: flex;
    align-items: center;
    gap: 10px;
}

.date-inputs span {
    color: #666;
    font-weight: 500;
}

/* Buttons */
.cta-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.cta-button:active {
    transform: translateY(0);
}

.secondary-button {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 12px 30px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
}

.secondary-button:hover {
    background: white;
    color: #333;
}

/* Loading States */
.loader {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Result Section */
.result-section {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    color: white;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 0;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 768px) {
    .landing-section h2 {
        font-size: 2rem;
    }
    
    .benefits {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .date-inputs {
        flex-direction: column;
    }
}