@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;600;700&display=swap');

body {
    font-family: 'Be Vietnam Pro', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #333;
}

header {
    background: linear-gradient(90deg, #6a11cb, #2575fc);
    color: white;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: fadeIn 1.5s;
}

header h1 {
    font-size: 2.5rem;
    margin: 0;
    font-weight: 700;
}

header p {
    margin: 10px 0 0;
    font-size: 1.2rem;
    font-weight: 400;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.container {
    max-width: 900px;
    margin: 50px auto;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    animation: slideIn 1s;
}

@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.form-group {
    margin-bottom: 30px;
}

label {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

input[type="text"], textarea {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 10px;
    transition: border-color 0.3s ease;
    resize: none;
}

input[type="text"]:focus, textarea:focus {
    border-color: #6a11cb;
    outline: none;
}

button {
    background: linear-gradient(90deg, #6a11cb, #2575fc);
    color: white;
    border: none;
    padding: 15px;
    width: 100%;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: linear-gradient(90deg, #4a0d9c, #1b4d9c);
}

.loader {
    display: none;
    margin: 30px auto;
    border: 8px solid #f3f3f3;
    border-radius: 50%;
    border-top: 8px solid #6a11cb;
    width: 70px;
    height: 70px;
    animation: spin 1.2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-tips {
    display: none;
    margin-top: 20px;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: #6a11cb;
}

.results {
    display: none;
    margin-top: 40px;
}

.result-item {
    padding: 20px;
    border: 2px solid #ddd;
    margin-bottom: 20px;
    border-radius: 10px;
    background: linear-gradient(90deg, #f9f9f9, #ffffff);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    font-size: 1rem;
    line-height: 1.6;
    animation: fadeIn 1.5s;
}

.result-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #6a11cb;
}

.highlight {
    font-weight: 700;
    color: #6a11cb;
}

.weekly-planning {
    background: #eef5ff;
    padding: 20px;
    border-radius: 15px;
    border: 2px solid #6a11cb;
    font-size: 1rem;
    line-height: 1.6;
    margin-top: 20px;
}

.weekly-planning h3 {
    color: #2575fc;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.weekly-planning ul {
    list-style: none;
    padding: 0;
}

.weekly-planning ul li {
    margin-bottom: 10px;
}

.weekly-planning ul li::before {
    content: "\1F4CA"; /* Chart Growing Emoji */
    margin-right: 10px;
    color: #2575fc;
}

.weekly-planning .day {
    font-weight: 700;
    color: #6a11cb;
    margin-bottom: 5px;
}