:root {
    --primary: #4a7cbf;
    --accent: #6b9ad6;
    --light: #f8f9fa;
    --dark: #2c3e50;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #f0f4f8 0%, #e0e7f0 100%);
    color: #333;
    min-height: 100vh;
}

.header {
    background: white;
    border-bottom: 4px solid var(--primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(74, 124, 191, 0.15);
    background: white;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(74, 124, 191, 0.2);
}

.btn-primary {
    background: var(--primary);
    border: none;
    border-radius: 1px;
    padding: 14px 40px;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #3a6aa8;
    transform: translateY(-3px);
}
.submit-success {
    animation: successPop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes successPop {
    0% { transform: scale(0.6); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.form-control, .form-select {
    border-radius: 14px;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    transition: border 0.3s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(74, 124, 191, 0.15);
}