:root {
    --argent-primary: #2c3e50;
    --argent-secondary: #3498db;
    --argent-success: #27ae60;
    --argent-gradient: linear-gradient(135deg, var(--argent-primary) 0%, var(--argent-secondary) 100%);
    --body-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --box-shadow-default: 0 10px 30px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --box-shadow-button: 0 8px 20px rgba(52, 152, 219, 0.3);
}

/* Base styles */
body {
    background: var(--body-gradient);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 20px;
}

/* Layout */
.container-main {
    max-width: 2000px;
    margin: 0 auto;
    padding: 20px;
}

.container {
    max-width: 1800px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow-default);
}

/* Navigation */
.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
    color: white;
    text-align: center;
}

/* Cards */
.form-card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--box-shadow-default);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: white;
}

.form-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

/* Buttons */
.btn-argent {
    background: var(--argent-gradient);
    border: none;
    color: white;
    border-radius: 25px;
    padding: 10px 25px;
    font-weight: 500;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-argent:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-button);
    color: white;
}

/* Form Sections */
.header {
    background: var(--argent-gradient);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 300;
}

.section {
    padding: 25px 30px;
    border-bottom: 1px solid #eee;
}

.section:last-child {
    border-bottom: none;
}

.section-title {
    color: var(--argent-primary);
    font-size: 20px;
    margin: 0 0 20px 0;
    font-weight: 600;
    border-left: 4px solid var(--argent-secondary);
    padding-left: 15px;
}

.field-group {
    margin-bottom: 20px;
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}

.field-label {
    font-weight: 600;
    color: var(--argent-primary);
    margin-bottom: 5px;
}

.field-value {
    color: #555;
    word-wrap: break-word;
}

.files-section {
    background: #e8f4f8;
    padding: 20px;
    border-radius: 8px;
}

.footer {
    background: #34495e;
    color: white;
    padding: 20px 30px;
    text-align: center;
    font-size: 14px;
}

/* Media Queries */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 1rem;
    }

    .form-card {
        margin-bottom: 1rem;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .col-md-6 {
        flex: 0 0 auto;
        width: 50%;
    }

    .form-card {
        height: 100%;
    }
}

/* Print styles */
@media print {
    body * {
        visibility: hidden;
    }

    .card.form-card,
    .card.form-card * {
        visibility: visible;
    }

    .card-header,
    .btn,
    .dropdown {
        display: none !important;
    }

    .container-main {
        margin: 0;
        padding: 0;
        max-width: none;
    }
}