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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2d3436;
    margin-bottom: 30px;
    font-size: 36px;
}

.section {
    margin-bottom: 40px;
}

.section h2 {
    color: #2d3436;
    margin-bottom: 20px;
    font-size: 24px;
    border-bottom: 3px solid #74b9ff;
    padding-bottom: 10px;
}

.student-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.student-card {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.student-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.student-card h3 {
    color: #2d3436;
    margin-bottom: 15px;
    font-size: 20px;
}

.student-info {
    margin-bottom: 8px;
}

.student-info strong {
    color: #2d3436;
    font-weight: 600;
}

.student-info span {
    color: #636e72;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
}

.skill-tag {
    background: #74b9ff;
    color: white;
    padding: 4px 8px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.leader-badge {
    background: #00b894;
    color: white;
    padding: 4px 8px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
    margin-top: 10px;
}

.operations {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.operations button {
    padding: 12px 20px;
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.operations button:hover {
    transform: translateY(-2px);
}

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

.console {
    background: #2d3436;
    color: #00b894;
    padding: 20px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.console .output-line {
    margin-bottom: 5px;
}

.console .student-output {
    color: #74b9ff;
    font-weight: bold;
}

.console .skills-output {
    color: #fdcb6e;
}

.console .address-output {
    color: #e17055;
}