* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Prompt', sans-serif;
}

:root {
    --primary-color: #6B46C1;
    --secondary-color: #9F7AEA;
    --light-purple: #E9D8FD;
    --white: #FFFFFF;
    --gray: #F7FAFC;
}

body {
    background-color: var(--white);
}

/* Navbar Styles */
.navbar {
    background-color: var(--primary-color);
    padding: 0.5rem 1rem; /* ลด padding */
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    background-color: var(--white);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--light-purple);
}
.hero > div {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.icon {
    font-size: 4em; /* Increased icon size */
    margin-bottom: 20px;
}

/* Services Section */
.services {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.service-card i {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Sidebar Section */
.sidebar {
    background-color: var(--gray);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 2rem auto;
    max-width: 400px;
    text-align: center;
}

.sidebar h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.sidebar .description {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.sidebar .button-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar .professional-button {
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.sidebar .professional-button:hover {
    background-color: var(--secondary-color);
}

/* Queue Section */
.queue-section {
    text-align: center;
    padding: 4rem 2rem;
    background-color: var(--light-purple);
}

.queue-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.queue-section p {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.queue-section .queue-count {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Booking Section */
.booking-section {
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.booking-section input {
    padding: 0.8rem;
    width: 100%;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.booking-section button {
    padding: 0.8rem 2rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.booking-section button:hover {
    background-color: var(--secondary-color);
}

/* Contact Section */
.contact {
    background-color: var(--light-purple);
    padding: 4rem 2rem;
}

.contact-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-info {
    color: var(--primary-color);
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 1rem;
}

/* Available Queue Section */
.available-queue-section {
    padding: 4rem 2rem;
    background-color: var(--gray);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 1200px;
    margin: 2rem auto;
}

.available-queue-section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: bold;
}

.calendar-container {
    background-color: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.calendar-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

.calendar-controls select {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--light-purple);
    color: var(--primary-color);
    cursor: pointer;
}

#calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
    text-align: center;
}

#calendar div {
    padding: 1rem;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

#calendar .available {
    background-color: var(--light-purple);
    color: var(--primary-color);
    cursor: pointer;
}

#calendar .available:hover {
    background-color: var(--secondary-color);
    color: var(--white);
}

#calendar .almost-full {
    background-color: #FFD700; /* สีเหลือง */
    color: #333;
}

#calendar .fully-booked {
    background-color: #FF6347; /* สีแดง */
    color: var(--white);
}

#calendar .holiday {
    background-color: #A9A9A9; /* สีเทา */
    color: var(--white);
}

.status-legend {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: bold;
}

.legend-item::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 5px;
}

.legend-item.available::before {
    background-color: var(--light-purple);
}

.legend-item.almost-full::before {
    background-color: #FFD700;
}

.legend-item.fully-booked::before {
    background-color: #FF6347;
}

.legend-item.holiday::before {
    background-color: #A9A9A9;
}

/* Media Queries for Mobile */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 1rem;
    }
    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .sidebar {
        margin: 1rem auto;
    }
    .contact-content {
        grid-template-columns: 1fr;
    }
}