* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    width: 100%;
    padding: 2rem;
}

.time-card, .meeting-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.time-card:hover, .meeting-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.9;
    letter-spacing: 0.5px;
}

.time-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.time-main {
    font-size: 6rem;
    font-weight: 600;
    letter-spacing: 2px;
    line-height: 1;
}

.time-zone {
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.8;
}

.date-display {
    font-size: 1.6rem;
    opacity: 0.8;
    font-weight: 600;
}

.meeting-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0.9;
    letter-spacing: 0.5px;
}

.meeting-time {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
}

.meeting-time-select {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: white;
    font-size: 1.6rem;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 160px;
    max-width: 200px;
}

.meeting-time-select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.meeting-time-select option {
    background: #667eea;
    color: white;
    font-size: 1.5rem;
    padding: 0.5rem;
}

.meeting-hour {
    font-size: 3.5rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.meeting-period {
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.8;
}

.countdown {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.countdown-label {
    font-size: 1rem;
    opacity: 0.7;
    font-weight: 600;
}

.countdown-time {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #ffd700;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
        gap: 1.5rem;
    }
    
    .time-card, .meeting-card {
        padding: 2rem;
    }
    
    .time-main {
        font-size: 4rem;
    }
    
    .meeting-time-select {
        font-size: 1.4rem;
        min-width: 140px;
        max-width: 180px;
        padding: 0.6rem 1.2rem;
    }
    
    .countdown-time {
        font-size: 2.2rem;
    }
    
    .title, .meeting-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .time-main {
        font-size: 3rem;
    }
    
    .meeting-time-select {
        font-size: 1.2rem;
        min-width: 120px;
        max-width: 160px;
        padding: 0.5rem 1rem;
    }
    
    .countdown-time {
        font-size: 1.8rem;
    }
    
    .title, .meeting-title {
        font-size: 1.4rem;
    }
    
    .time-zone, .meeting-period {
        font-size: 1.25rem;
    }
}

/* Animation for smooth updates */
.time-main, .countdown-time {
    transition: all 0.3s ease;
}

/* Glow effect on hover */
.time-card:hover .time-main,
.meeting-card:hover .meeting-hour {
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Outlook Integration Styles */
.outlook-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.outlook-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.sign-in-btn {
    background: linear-gradient(135deg, #0078d4 0%, #106ebe 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 1rem 0;
    font-family: 'Inter', sans-serif;
}

.sign-in-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 120, 212, 0.3);
}

.sign-in-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.meeting-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.meeting-details h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffd700;
}

.meeting-details p {
    font-size: 1rem;
    margin: 0.25rem 0;
    opacity: 0.9;
    font-weight: 400;
}