styles.css

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

body {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('NEE.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    padding: 40px 20px;
    font-family: Arial, sans-serif;
}

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

.input-card, #tripPlanOutput {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.card-header {
    background-color: #f4b942;
    color: white;
    padding: 15px;
    font-weight: bold;
    text-align: center;
    font-size: 1.2em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #34495e;
    font-weight: bold;
}

input, select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

select[multiple] {
    height: 120px;
}

button {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

.hidden {
    display: none;
}

.day-plan {
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.day-plan h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    margin: 0.5rem 0;
}

.activity-time {
    min-width: 100px;
    font-weight: bold;
    color: #34495e;
}

.budget-section {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #e8f4f8;
    border-radius: 6px;
}

.budget-item {
    display: flex;
    justify-content: space-between;
    margin: 0.5rem 0;
}

.submit-btn {
    background-color: #f4b942;
    border: none;
    color: white;
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    max-width: 300px;
    margin: 20px auto;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.submit-btn:hover {
    background-color: #e5aa35;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}