body {
    /*background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);*/
    min-height: 100vh;
    /*padding: 20px;*/
    /*font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;*/
}

.card {
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    border: none;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.card:hover {
    /*transform: translateY(-5px);*/
}

.card-header {
    background: linear-gradient(to right, #4b6cb7, #182848);
    color: white;
    font-weight: bold;
    padding: 15px 25px;
    border-radius: 15px 15px 0 0 !important;
    border-bottom: none;
}

.result-card {
    background-color: #f8f9fa;
    border-left: 4px solid #4b6cb7;
}

.btn-extract {
    background: linear-gradient(to right, #4b6cb7, #182848);
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-extract:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 15px rgba(0, 0, 0, 0.25);
}

.btn-example {
    background: linear-gradient(to right, #3498db, #2c3e50);
    border: none;
    color: white;
}

.number-badge {
    font-size: 1.1rem;
    padding: 8px 15px;
    margin: 5px;
    border-radius: 50px;
    background: linear-gradient(to right, #3498db, #2c3e50);
    color: white;
    display: inline-block;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.number-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    color: #4b6cb7;
    margin-bottom: 15px;
}

.stats-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.stats-number {
    font-size: 2rem;
    font-weight: bold;
    color: #4b6cb7;
}

.example-text {
    cursor: pointer;
    border-bottom: 1px dashed #007bff;
    transition: all 0.2s ease;
    padding: 3px 0;
}

.example-text:hover {
    background-color: rgba(0, 123, 255, 0.1);
    border-radius: 4px;
}

.result-area {
    min-height: 100px;
    transition: all 0.3s ease;
}

footer {
    color: white;
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    font-size: 0.9rem;
}

.btn-group-custom {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.btn-group-custom .btn {
    flex: 1;
    min-width: 150px;
}

.highlight {
    animation: highlight 1.5s ease;
    background-color: rgba(255, 215, 0, 0.3);
}

@keyframes highlight {
    0% { background-color: rgba(255, 215, 0, 0.8); }
    100% { background-color: transparent; }
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.tool-header h2 {
    margin: 0;
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
}

.logo i {
    margin-right: 10px;
    font-size: 28px;
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}