:root {
    --primary-color: #4285f4;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #495057;
    --text-color: #212529;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
    padding: 20px;
}

.fas {
    margin-right: 12px !important;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

.header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header h1 i {
    margin-right: 15px;
}

.subtitle {
    color: var(--dark-gray);
    font-size: 1.1rem;
    font-weight: 300;
}

.card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.info-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 30px;
}

.info-card h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.info-card h2 i {
    margin-right: 10px;
}

.info-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.info-item {
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.info-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.info-item p {
    color: var(--dark-gray);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
}

.form-group label i {
    margin-right: 10px;
    color: var(--primary-color);
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.file-upload {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-upload input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-label {
    display: block;
    padding: 12px;
    background-color: var(--medium-gray);
    border: 2px dashed var(--dark-gray);
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload-label:hover {
    background-color: #e2e6ea;
}

.styled-select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    background-color: white;
    font-size: 1rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.styled-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #3367d6;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.waiting-card {
    text-align: center;
    padding: 40px;
}

.spinner-container {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
}

.spinner {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 8px solid rgba(66, 133, 244, 0.1);
    border-top: 8px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.spinner-inner {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    border: 5px solid rgba(66, 133, 244, 0.1);
    border-top: 5px solid var(--accent-color);
    border-radius: 50%;
    animation: spinReverse 1s linear infinite;
}

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

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

.progress-container {
    width: 100%;
    height: 10px;
    background-color: var(--medium-gray);
    border-radius: 5px;
    margin: 20px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 5px;
}

.file-list {
    list-style: none;
    padding: 0;
}

.file-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
}

.file-list a {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
}

.file-list a:hover {
    color: #3367d6;
}

.file-list i {
    margin-right: 10px;
    font-size: 15px;
}

.large-select {
    padding: 12px 15px;
    font-size: 15px;
    border: 1px solid var(--medium-gray);
    border-radius: 6px;
    background-color: white;
    width: 260px;
    height: 46px;
    margin-left: 10px;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235f6368'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
}

.large-select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.2);
}

.model-selector {
    display: flex;
    align-items: center;
    margin: 20px 0;
}

.model-selector label {
    font-weight: 500;
    font-size: 16px;
    color: var(--dark-gray);
}

@media (max-width: 768px) {
    .model-selector {
        flex-direction: column;
        align-items: flex-start;
    }

    .styled-select {
        max-width: 100%;
        width: 100%;
    }
}