:root {
    --primary-blue: #2b6777;
    --light-blue: #c8d8e4;
    --light-gray: #f2f2f2;
    --white: #FFFFFF;
    --dark-gray: #333333;
    --border-gray: #E0E0E0;
    --primary-green: #28a745;
    --dark-green: #218838;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--white);
    color: var(--dark-gray);
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo {
    text-align: center;
    margin-bottom: 40px;
}

.logo h1 {
    font-size: 28px;
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.3;
}

.logo p {
    color: var(--dark-gray);
    font-size: 14px;
}

.card {
    background: var(--white);
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-gray);
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
    background-color: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    margin-top: 10px;
}

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

.btn-primary:hover {
    background-color: #1f4d5a;
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--light-gray);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.error-message {
    background-color: #FFEBEE;
    color: #C62828;
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.success-message {
    background-color: #E8F5E9;
    color: #2E7D32;
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    padding: 0 20px;
}

.step {
    flex: 1;
    text-align: center;
    padding: 10px;
    position: relative;
}

.step::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background-color: var(--border-gray);
    z-index: -1;
}

.step:last-child::after {
    display: none;
}

.step.active .step-number {
    background-color: var(--primary-blue);
    color: var(--white);
}

.step.completed .step-number {
    background-color: #1f4d5a;
    color: var(--white);
}

.step-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    background-color: var(--light-gray);
    color: var(--dark-gray);
    font-weight: 600;
    margin-bottom: 8px;
}

.step-label {
    font-size: 12px;
    color: var(--dark-gray);
}

.signature-pad {
    border: 1px solid var(--border-gray);
    border-radius: 4px;
    width: 100%;
    height: 200px;
    background-color: var(--white);
    cursor: crosshair;
}

.signature-controls {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.button-group .btn {
    flex: 1;
}

.info-box {
    background-color: var(--light-gray);
    padding: 16px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.data-summary {
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.data-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-gray);
}

.data-row:last-child {
    border-bottom: none;
}

.data-label {
    font-weight: 500;
    color: var(--dark-gray);
}

.data-value {
    color: var(--dark-gray);
}

.member-id-display {
    text-align: center;
    padding: 30px;
    background-color: var(--light-blue);
    border-radius: 8px;
    margin: 20px 0;
}

.member-id-display h2 {
    color: var(--primary-blue);
    font-size: 24px;
    margin-bottom: 10px;
}

.member-id-display .member-id {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
}

.hidden {
    display: none !important;
}

.navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-gray);
    padding: 16px 0;
    margin-bottom: 20px;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    font-size: 14px;
    color: var(--dark-gray);
}

.btn-logout {
    padding: 8px 16px;
    background-color: var(--white);
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.btn-logout:hover {
    background-color: var(--light-gray);
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .card {
        padding: 25px;
    }

    .step-label {
        font-size: 10px;
    }

    .step-number {
        width: 30px;
        height: 30px;
        line-height: 30px;
        font-size: 14px;
    }

    .button-group {
        flex-direction: column;
    }

    .navbar-content {
        flex-direction: column;
        gap: 15px;
    }
}