/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header styles */
header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Main content */
main {
    background: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

/* Form styles */
.feedback-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Star rating styles */
.rating-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.stars {
    display: flex;
    flex-direction: row-reverse;
    gap: 5px;
}

.stars input[type="radio"] {
    display: none;
}

.stars label {
    font-size: 2rem;
    color: #ddd;
    cursor: pointer;
    transition: color 0.2s ease;
    margin: 0;
}

.stars label:hover,
.stars label:hover ~ label,
.stars input[type="radio"]:checked ~ label {
    color: #ffd700;
}

.rating-text {
    font-size: 14px;
    color: #666;
    font-style: italic;
}

/* Button styles */
button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

button:active {
    transform: translateY(0);
}

/* Error and success messages */
.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    display: block;
}

.success-message {
    text-align: center;
    padding: 30px;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 8px;
    color: #155724;
}

.success-message h3 {
    color: #155724;
    margin-bottom: 15px;
}

.reset-btn {
    background: #28a745;
    margin-top: 20px;
    width: auto;
    padding: 10px 20px;
}

.reset-btn:hover {
    background: #218838;
    box-shadow: 0 10px 20px rgba(40, 167, 69, 0.3);
}

#errorMessage {
    text-align: center;
    padding: 30px;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    color: #721c24;
}

#errorMessage h3 {
    color: #721c24;
    margin-bottom: 15px;
}

/* Footer styles */
footer {
    text-align: center;
    color: white;
    padding: 20px 0;
}

.admin-link {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.2);
    border-radius: 5px;
    transition: background 0.3s ease;
}

.admin-link:hover {
    background: rgba(255,255,255,0.3);
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    main {
        padding: 25px;
    }
    
    .rating-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .stars label {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    main {
        padding: 20px;
    }
    
    input[type="text"],
    input[type="email"],
    textarea {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    button {
        padding: 12px 20px;
        font-size: 14px;
    }
}