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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    max-width: 600px;
    width: 100%;
}

/* Typography */
h1 {
    color: #333;
    font-size: 28px;
    margin-bottom: 8px;
    text-align: center;
}

.subtitle {
    color: #666;
    font-size: 14px;
    text-align: center;
    margin-bottom: 30px;
}

h2 {
    color: #333;
    font-size: 20px;
    margin-bottom: 20px;
}

/* Form Styles */
form {
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

label {
    color: #333;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

input[type="text"] {
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input[type="text"]:focus {
    outline: none;
    border-color: #667eea;
}

/* Button Styles */
.btn-submit,
.btn-reset {
    padding: 12px 32px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
    margin-top: 10px;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-reset {
    background: #f0f0f0;
    color: #333;
    margin-top: 20px;
    width: 100%;
}

.btn-reset:hover {
    background: #e0e0e0;
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f0f0f0;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-state p {
    color: #666;
    font-size: 16px;
}

/* Results Container */
.results-container {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.questions-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.question-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #667eea;
}

.question-item h3 {
    color: #667eea;
    font-size: 14px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.question-item p {
    color: #333;
    font-size: 15px;
    line-height: 1.6;
}

/* Error State */
.error-container {
    background: #fee;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
}

.error-container p {
    color: #c0392b;
    font-size: 14px;
    margin-bottom: 15px;
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 600px) {
    .container {
        padding: 25px;
    }

    h1 {
        font-size: 24px;
    }

    .btn-submit,
    .btn-reset {
        padding: 10px 24px;
        font-size: 13px;
    }
}